2012 GMC Sierra Owners Manual

Connections, OnStar® . . . . . . . . . 14-4

Control of a Vehicle . . . . . . . . . . . . . 9-4
Convex Mirrors . . . . . . . . . . . . . . . . 2-14
Coolant

Engine . . . . . . . . . . . . . . . . . . . . . . 10-19
Engine Temperature

Gauge . . . . . . . . . . . . . . . . . . . . . .5-16
Cooling System . . . . . . . . . . . . . . . 10-18
Engine Messages . . . . . . . . . . . .5-41

Courtesy Transportation

Program . . . . . . . . . . . . . . . . . . . . . 13-13
Cruise Control . . . . . . . . . . . . . . . . . 9-58
Light . . . . . . . . . . . . . . . . . . . . . . . . . .5-30
Cupholders . . . . . . . . . . . . . . . . . . . . . 4-1
Customer Assistance . . . . . . . . . . 13-6
Offices . . . . . . . . . . . . . . . . . . 13-4, 13-5
Text Telephone (TTY)

Users . . . . . . . . . . . . . . . . . . . . . . .13-6

Customer Information Service Publications

Ordering Information . . . . . . 13-16

Customer Satisfaction

Procedure . . . . . . . . . . . . . . 13-1, 13-3

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i-4

INDEX

Damage Repair, Collision . . . . . 13-14
Danger, Warnings, and

Cautions . . . . . . . . . . . . . . . . . . . . . . . . iv . . . . . . . 13-19

Data Recorders, Event Daytime Running

Lamps (DRL) . . . . . . . . . . . . . . . . . . 6-3
Defensive Driving . . . . . . . . . . . . . . . 9-3
Delayed Locking . . . . . . . . . . . . . . . . 2-8
Devices, Auxiliary . . . . . . . . . . . . . 7-32
Diagnostics, OnStar® . . . . . . . . . . 14-5
Distracted Driving . . . . . . . . . . . . . . . 9-2
Dome Lamps . . . . . . . . . . . . . . . . . . . 6-8
Door

Ajar Messages . . . . . . . . . . . . . . .5-40
Delayed Locking . . . . . . . . . . . . . . . 2-8
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Power Locks . . . . . . . . . . . . . . . . . . . 2-8
Rear Doors . . . . . . . . . . . . . . . . . . . . 2-9
Drive Belt Routing, Engine . . . . . 12-6
Driver Information

Center (DIC) . . . . . . . . . . . . . . . . . 5-30

Driving

Characteristics and

Towing Tips . . . . . . . . . . . . . . . . .9-74
Defensive . . . . . . . . . . . . . . . . . . . . . . 9-3
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
For Better Fuel Economy . . . . .1-36
Highway Hypnosis . . . . . . . . . . . .9-12
Hill and Mountain Roads . . . . . .9-12
If the Vehicle is Stuck . . . . . . . . .9-15
Loss of Control . . . . . . . . . . . . . . . . 9-5
Off-Road . . . . . . . . . . . . . . . . . . . . . . 9-6
Off-Road Recovery . . . . . . . . . . . . 9-5
Vehicle Load Limits . . . . . . . . . . .9-16
Wet Roads . . . . . . . . . . . . . . . . . . . 9-11
Winter . . . . . . . . . . . . . . . . . . . . . . . .9-13

Dual Automatic Climate

Control System . . . . . . . . . . . . . . . . 8-5

Dual Tire

Rotation . . . . . . . . . . . . . . . . . . . . 10-67

DVD

Rear Seat Entertainment

System . . . . . . . . . . . . . . . . . . . . . .7-37
DVD/CD Player . . . . . . . . . . . . . . . . 7-21

E85 Fuel . . . . . . . . . . . . . . . . . . . . . . . 9-71
Electrical Equipment,

Add-On . . . . . . . . . . . . . . . . . . . . . 9-105

Electrical System

Engine Compartment

Fuse Block . . . . . . . . . . . . . . . . 10-44

Fuses and Circuit

Breakers . . . . . . . . . . . . . . . . . . 10-44

Instrument Panel Fuse

Block . . . . . . . . . . . . . . . . . . . . . . 10-48
Overload . . . . . . . . . . . . . . . . . . . 10-43
Emergency, OnStar® . . . . . . . . . . 14-2
Engine

Air Cleaner/Filter . . . . . . . . . . . 10-17
Check and Service Engine

Soon Light . . . . . . . . . . . . . . . . . .5-22
Compartment Overview . . . . . . .10-6
Coolant . . . . . . . . . . . . . . . . . . . . . 10-19
Coolant Heater . . . . . . . . . . . . . . .9-30
Coolant Temperature

Gauge . . . . . . . . . . . . . . . . . . . . . .5-16
Cooling System . . . . . . . . . . . . . 10-18

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Engine (cont'd)

Cooling System Messages . . .5-41
Drive Belt Routing . . . . . . . . . . . .12-6
Exhaust . . . . . . . . . . . . . . . . . . . . . .9-33
Fan . . . . . . . . . . . . . . . . . . . . . . . . . 10-24
Oil Life System . . . . . . . . . . . . . 10-10
Oil Messages . . . . . . . . . . . . . . . . .5-42
Oil Pressure Gauge . . . . . . . . . .5-15
Overheated Protection

Operating Mode . . . . . . . . . . . 10-24
Overheating . . . . . . . . . . . . . . . . 10-22
Power Messages . . . . . . . . . . . . .5-42
Pressure Light . . . . . . . . . . . . . . . .5-28
Running While Parked . . . . . . . .9-34
Starting . . . . . . . . . . . . . . . . . . . . . . .9-27
Entry Lighting . . . . . . . . . . . . . . . . . . . 6-9
Equipment, Towing . . . . . . . . . . . . 9-94
Event Data Recorders . . . . . . . . 13-19
Exit Lighting . . . . . . . . . . . . . . . . . . . . 6-9
Extender, Safety Belt . . . . . . . . . . 3-20
Exterior Lamp Controls . . . . . . . . . 6-1
Exterior Lamps Off Reminder . . . 6-2

Fan

Engine . . . . . . . . . . . . . . . . . . . . . . 10-24
Fast Idle System . . . . . . . . . . . . . . . 9-29
Features

Memory . . . . . . . . . . . . . . . . . . . . . . .1-14

Filter,

Engine Air Cleaner . . . . . . . . . 10-17
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 6-3
Flashers, Hazard Warning . . . . . . 6-5
Flat Tire . . . . . . . . . . . . . . . . . . . . . . 10-75
Changing . . . . . . . . . . . . . . . . . . . 10-76
Floor Mats . . . . . . . . . . . . . . . . . . .10-104
Fluid

Automatic

Transmission . . . . . . . 10-11, 10-14
Brakes . . . . . . . . . . . . . . . . . . . . . . 10-28
Four-Wheel Drive

Transfer Case . . . . . . . . . . . . . . .9-40
Power Steering . . . . . . . . . . . . . 10-25
Washer . . . . . . . . . . . . . . . . . . . . . 10-26

INDEX

i-5

Fog Lamps

Bulb Replacement . . . . . . . . . . . . . 6-6
Folding Mirrors . . . . . . . . . . . . . . . . 2-16
Four-Wheel Drive . . . . . . . 9-40, 10-30
Four-Wheel-Drive Light . . . . . . . . 5-26
Front Axle . . . . . . . . . . . . . . . . . . . . 10-31
Front Fog Lamp

Light . . . . . . . . . . . . . . . . . . . . . . . . . .5-29

Front Seats

Adjustment . . . . . . . . . . . . . . . . . . . . 3-3
Heated and Ventilated . . . . . . . . . 3-9
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-68
Additives . . . . . . . . . . . . . . . . . . . . .9-70
E85 (85% Ethanol) . . . . . . . . . . .9-71
Economy Driving . . . . . . . . . . . . .1-36
Filling a Portable Fuel

Container . . . . . . . . . . . . . . . . . . .9-73
Filling the Tank . . . . . . . . . . . . . . .9-72
Foreign Countries . . . . . . . . . . . .9-69
Gasoline Specifications . . . . . . .9-69
Gauge . . . . . . . . . . . . . . . . . . . . . . . .5-14
Low Fuel Warning Light . . . . . . .5-28

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i-6

INDEX

Fuel (cont'd)

Management, Active . . . . . . . . . .9-32
Recommended . . . . . . . . . . . . . . .9-68
Requirements, California . . . . .9-69
System Messages . . . . . . . . . . . .5-43
Full-Size Spare Tire . . . . . . . . . . 10-87
Fuses

Engine Compartment

Fuse Block . . . . . . . . . . . . . . . . 10-44

Fuses and Circuit

Breakers . . . . . . . . . . . . . . . . . . 10-44

Instrument Panel Fuse

Gauges

Engine Coolant

Temperature . . . . . . . . . . . . . . . .5-16
Engine Oil Pressure . . . . . . . . . .5-15
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . .5-14
Odometer . . . . . . . . . . . . . . . . . . . . .5-13
Speedometer . . . . . . . . . . . . . . . . .5-13
Tachometer . . . . . . . . . . . . . . . . . . .5-13
Trip Odometer . . . . . . . . . . . . . . . .5-13
Voltmeter . . . . . . . . . . . . . . . . . . . . .5-16
Warning Lights and

Indicators . . . . . . . . . . . . . . . . . . . 5-11

Block . . . . . . . . . . . . . . . . . . . . . . 10-48

General Information

Garage Door Opener . . . . . . . . . . 5-56
Programming . . . . . . . . . . . . . . . . .5-56

Gasoline

Specifications . . . . . . . . . . . . . . . . .9-69

Service and Maintenance . . . . . 11-1
Towing . . . . . . . . . . . . . . . . . . . . . . . .9-74
Vehicle Care . . . . . . . . . . . . . . . . . .10-2
Glass Replacement . . . . . . . . . . . 10-37
Glove Box . . . . . . . . . . . . . . . . . . . . . . 4-1
GM Mobility Reimbursement

Program . . . . . . . . . . . . . . . . . . . . . . 13-7

Halogen Bulbs . . . . . . . . . . . . . . . . 10-39
Hazard Warning Flashers . . . . . . . 6-5
Head Restraints . . . . . . . . . . . . . . . . 3-2
Headlamps

Aiming . . . . . . . . . . . . . . . . . . . . . . 10-37
Automatic . . . . . . . . . . . . . . . . . . . . . . 6-4
Bulb Replacement . . . . . . . . . . 10-39
Daytime Running

Lamps (DRL) . . . . . . . . . . . . . . . . . 6-3
Flash-to-Pass . . . . . . . . . . . . . . . . . . 6-3
Headlamps, Front Turn

Signal, Sidemarker, and Parking Lamps . . . . . . . . . . . . 10-39
High-Beam On Light . . . . . . . . . .5-29
High/Low Beam Changer . . . . . . 6-3

Heated and Ventilated Front

Seats . . . . . . . . . . . . . . . . . . . . . . . . . 3-9
Heated Mirrors . . . . . . . . . . . . . . . . . 2-17
Heater

Engine Coolant . . . . . . . . . . . . . . .9-30

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Heating and Air

Conditioning . . . . . . . . . . . . . . . 8-1, 8-4
High-Beam On Light . . . . . . . . . . . 5-29
High-Speed Operation . . . . . . . . 10-60
Highway Hypnosis . . . . . . . . . . . . . 9-12
Hill and Mountain Roads . . . . . . . 9-12
Hill Start Assist (HSA) . . . . . . . . . 9-54
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
How to Wear Safety Belts

Properly . . . . . . . . . . . . . . . . . . . . . . 3-13

Idle System

Fast . . . . . . . . . . . . . . . . . . . . . . . . . .9-29
Ignition Positions . . . . . . . . . . . . . . 9-26
Ignition Transmission Lock

Check . . . . . . . . . . . . . . . . . . . . . . . 10-35
Immobilizer . . . . . . . . . . . . . . . . . . . . 2-12
Infants and Young Children,

Restraints . . . . . . . . . . . . . . . . . . . . 3-41
Infotainment . . . . . . . . . . . . . . . . . . . . 7-1

Instrument Cluster . . . . . . . . . . . . . 5-12
Instrument Panel

Storage Area . . . . . . . . . . . . . . . . . . 4-1
Introduction . . . . . . . . . . . . . . . . . . . . . . . iii

Jump Starting . . . . . . . . . . . . . . . . . 10-88

Key and Lock Messages . . . . . . . 5-43
Keyless Entry

Remote (RKE) System . . . . . . . . 2-3
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Labeling, Tire Sidewall . . . . . . . . 10-52
Lamps

Auxiliary Roof

Mounted Lamp . . . . . . . . . . . . . . . 6-6
Cargo . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Daytime Running (DRL) . . . . . . . 6-3
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8

INDEX

i-7

Lamps (cont'd)

Exterior Controls . . . . . . . . . . . . . . . 6-1
Exterior Lamps Off

Reminder . . . . . . . . . . . . . . . . . . . . 6-2
License Plate . . . . . . . . . . . . . . . 10-42
Malfunction Indicator . . . . . . . . .5-22
Messages . . . . . . . . . . . . . . . . . . . .5-43
Pick-up Box Identification

and Fender Marker . . . . . . . . 10-40
Reading . . . . . . . . . . . . . . . . . . . . . . . 6-8
Taillamps . . . . . . . . . . . . . . . . . . . 10-40
Lap Belt . . . . . . . . . . . . . . . . . . . . . . . 3-19
Lap-Shoulder Belt . . . . . . . . . . . . . 3-14
LATCH System

Replacing Parts after a

Crash . . . . . . . . . . . . . . . . . . . . . . .3-55

LATCH, Lower Anchors and

Tethers for Children . . . . . . . . . . 3-47
Lighter, Cigarette . . . . . . . . . . . . . . 5-10
Lighting

Entry . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Illumination Control . . . . . . . . . . . . 6-7

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i-8

INDEX

Lights

Airbag On-Off . . . . . . . . . . . . . . . . .5-19
Airbag Readiness . . . . . . . . . . . . .5-18
Antilock Brake System

(ABS) Warning . . . . . . . . . . . . . .5-26
Brake System Warning . . . . . . .5-25
Charging System . . . . . . . . . . . . .5-22
Cruise Control . . . . . . . . . . . . . . . .5-30
Engine Oil Pressure . . . . . . . . . .5-28
Flash-to-Pass . . . . . . . . . . . . . . . . . . 6-3
Four-Wheel-Drive . . . . . . . . . . . . .5-26
Front Fog Lamp . . . . . . . . . . . . . .5-29
High-Beam On . . . . . . . . . . . . . . . .5-29
High/Low Beam Changer . . . . . . 6-3
Low Fuel Warning . . . . . . . . . . . .5-28
Safety Belt Reminders . . . . . . . .5-17
Security . . . . . . . . . . . . . . . . . . . . . .5-29
StabiliTrak® OFF . . . . . . . . . . . . .5-27
Tire Pressure . . . . . . . . . . . . . . . . .5-27
Tow/Haul Mode . . . . . . . . . . . . . . .5-26
Traction Control System

(TCS)/StabiliTrak® . . . . . . . . . .5-27
Locking Rear Axle . . . . . . . . . . . . . 9-58

Locks

Automatic Door . . . . . . . . . . . . . . . . 2-8
Delayed Locking . . . . . . . . . . . . . . . 2-8
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Lockout Protection . . . . . . . . . . . . . 2-9
Power Door . . . . . . . . . . . . . . . . . . . . 2-8
Safety . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Loss of Control . . . . . . . . . . . . . . . . . 9-5
Low Fuel Warning Light . . . . . . . . 5-28
Lower Anchors and Tethers

for Children (LATCH System) . . . . . . . . . . . . . . . . . . . . . . 3-47
Lumbar Adjustment . . . . . . . . . . . . . 3-4
Front Seats . . . . . . . . . . . . . . . . . . . . 3-4

Maintenance

Records . . . . . . . . . . . . . . . . . . . . .11-16

Maintenance Schedule Recommended Fluids

and Lubricants . . . . . . . . . . . . .11-12
Transfer Case . . . . . . . . . . . . . . . .9-40
Malfunction Indicator Lamp . . . . 5-22
Manual Mirrors . . . . . . . . . . . . . . . . 2-14

Manual Mode . . . . . . . . . . . . . . . . . . 9-38
Manual Windows . . . . . . . . . . . . . . 2-19
Memory Features . . . . . . . . . . . . . . 1-14
Memory Seats . . . . . . . . . . . . . . . . . . 3-7
Messages

Airbag System . . . . . . . . . . . . . . . .5-45
Anti-theft Alarm System . . . . . . .5-45
Battery Voltage and

Charging . . . . . . . . . . . . . . . . . . . .5-39
Brake System . . . . . . . . . . . . . . . .5-40
Door Ajar . . . . . . . . . . . . . . . . . . . . .5-40
Engine Cooling System . . . . . . .5-41
Engine Oil . . . . . . . . . . . . . . . . . . . .5-42
Engine Power . . . . . . . . . . . . . . . .5-42
Fuel System . . . . . . . . . . . . . . . . . .5-43
Key and Lock . . . . . . . . . . . . . . . . .5-43
Lamp . . . . . . . . . . . . . . . . . . . . . . . . .5-43
Object Detection System . . . . .5-43
Ride Control System . . . . . . . . . .5-44
Starting the Vehicle . . . . . . . . . . .5-45
Tire . . . . . . . . . . . . . . . . . . . . . . . . . . .5-45
Transmission . . . . . . . . . . . . . . . . .5-46
Vehicle . . . . . . . . . . . . . . . . . . . . . . .5-39
Vehicle Reminder . . . . . . . . . . . . .5-47
Washer Fluid . . . . . . . . . . . . . . . . .5-48

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Mirrors

Automatic Dimming

Rearview . . . . . . . . . . . . . . . . . . . .2-18
Convex . . . . . . . . . . . . . . . . . . . . . . .2-14
Folding . . . . . . . . . . . . . . . . . . . . . . .2-16
Heated . . . . . . . . . . . . . . . . . . . . . . .2-17
Manual . . . . . . . . . . . . . . . . . . . . . . .2-14
Manual Rearview . . . . . . . . . . . . .2-18
Park Tilt . . . . . . . . . . . . . . . . . . . . . .2-17
Power . . . . . . . . . . . . . . . . . . . . . . . .2-15
Trailer Tow . . . . . . . . . . . . . . . . . . . .2-15

Monitor System, Tire

Pressure . . . . . . . . . . . . . . . . . . . . 10-60

Navigation

OnStar® . . . . . . . . . . . . . . . . . . . . . .14-2
Vehicle Data Recording

and Privacy . . . . . . . . . . . . . . . 13-20
New Vehicle Break-In . . . . . . . . . . 9-25
Noise Control System . . . . . . . . 10-34

Object Detection System

Messages . . . . . . . . . . . . . . . . . . . . 5-43
Odometer . . . . . . . . . . . . . . . . . . . . . . 5-13
Trip . . . . . . . . . . . . . . . . . . . . . . . . . . .5-13
Off-Road . . . . . . . . . . . . . . . . . . . . . . . 9-6
Driving . . . . . . . . . . . . . . . . . . . . . . . . . 9-6
Recovery . . . . . . . . . . . . . . . . . . . . . . 9-5

Oil

Engine . . . . . . . . . . . . . . . . . . . . . . . .10-7
Engine Oil Life System . . . . . 10-10
Engine Oil Pressure

Gauge . . . . . . . . . . . . . . . . . . . . . .5-15
Messages . . . . . . . . . . . . . . . . . . . .5-42
Pressure Light . . . . . . . . . . . . . . . .5-28
Older Children, Restraints . . . . . 3-39
Online Owner Center . . . . . . . . . . 13-6
OnStar®

Additional Information . . . . . . . .14-5
Connections . . . . . . . . . . . . . . . . . .14-4
Diagnostics . . . . . . . . . . . . . . . . . . .14-5
Emergency . . . . . . . . . . . . . . . . . . .14-2

INDEX

i-9

OnStar® (cont'd)

Navigation . . . . . . . . . . . . . . . . . . . .14-2
Overview . . . . . . . . . . . . . . . . . . . . .14-1
Security . . . . . . . . . . . . . . . . . . . . . .14-2
System, In Brief . . . . . . . . . . . . . .1-37

Operation, Infotainment

System . . . . . . . . . . . . . . . . . . . . . . . . 7-3

Ordering

Service Publications . . . . . . . . 13-16

Outlets

Power . . . . . . . . . . . . . . . . . . . . . . . . . 5-9

Overheated Engine

Protection Operating Mode . . . . . . . . . . . . . 10-24
Overheating, Engine . . . . . . . . . . 10-22
Overview, OnStar® . . . . . . . . . . . . 14-1

Park

Shifting Into . . . . . . . . . . . . . . . . . . .9-30
Shifting Out of . . . . . . . . . . . . . . . .9-32
Tilt Mirrors . . . . . . . . . . . . . . . . . . . .2-17

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i-10

INDEX

Parking

Assist, Ultrasonic . . . . . . . . . . . . .9-61
Brake . . . . . . . . . . . . . . . . . . . . . . . . .9-54
Brake and P (Park)

Mechanism Check . . . . . . . . 10-36
Over Things That Burn . . . . . . .9-32

Passenger Airbag Status

Indicator . . . . . . . . . . . . . . . . . . . . . 5-21
Passenger Sensing System . . . 3-32
Perchlorate Materials

Requirements, California . . . . . 10-3

Personalization

Power (cont'd)

Seat Adjustment . . . . . . . . . . . . . . . 3-4
Steering Fluid . . . . . . . . . . . . . . . 10-25
Windows . . . . . . . . . . . . . . . . . . . . .2-20

Pregnancy, Using Safety

Belts . . . . . . . . . . . . . . . . . . . . . . . . . 3-19

Privacy

Radio Frequency

Identification (RFID) . . . . . . . 13-20

Program

Courtesy Transportation . . . . 13-13

Proposition 65 Warning,

Vehicle . . . . . . . . . . . . . . . . . . . . . . .5-48

California . . . . . . . . . . . . . . . . . . . . . 10-3

Phone

Bluetooth . . . . . . . . . . . . . . . . . . . . .7-48

Pick-up Box Identification

and Fender Marker Lamps . . . . . . . . . . . . . . . . . . . . . . 10-40

Pickup Conversion to

Chassis Cab . . . . . . . . . . . . . . . . 9-109

Power

Door Locks . . . . . . . . . . . . . . . . . . . . 2-8
Mirrors . . . . . . . . . . . . . . . . . . . . . . . .2-15
Outlets . . . . . . . . . . . . . . . . . . . . . . . . 5-9
Protection, Battery . . . . . . . . . . . .6-10
Retained Accessory (RAP) . . .9-29

Radio Frequency

Identification (RFID) . . . . . . . . 13-20
Statement . . . . . . . . . . . . . . . . . . 13-20

Radios

AM-FM Radio . . . . . . . . . . . . . . . . . . 7-9
CD/DVD Player . . . . . . . . . . . . . . .7-21
Reception . . . . . . . . . . . . . . . . . . . .7-14
Satellite . . . . . . . . . . . . . . . . . . . . . . . 7-11
Reading Lamps . . . . . . . . . . . . . . . . . 6-8
Rear Axle . . . . . . . . . . . . . . . . . . . . . 10-32
Locking . . . . . . . . . . . . . . . . . . . . . . .9-58

Rear Doors . . . . . . . . . . . . . . . . . . . . . 2-9
Rear Seat Audio (RSA)

System . . . . . . . . . . . . . . . . . . . . . . . 7-46

Rear Seat Entertainment

System . . . . . . . . . . . . . . . . . . . . . . . 7-37
Rear Seat Audio (RSA) . . . . . . .7-46
Rear Seats . . . . . . . . . . . . . . 3-10, 3-11
Rear Vision Camera (RVC) . . . . 9-62
Rear Windows . . . . . . . . . . . . . . . . . 2-21
Rearview Mirrors . . . . . . . . . . . . . . 2-18
Automatic Dimming . . . . . . . . . . .2-18
Reclining Seatbacks . . . . . . . . . . . . 3-5
Recommended

Fuel . . . . . . . . . . . . . . . . . . . . . . . . . .9-68

Recommended Fluids and

Lubricants . . . . . . . . . . . . . . . . . . . 11-12

Records

Maintenance . . . . . . . . . . . . . . . . .11-16

Recreational Vehicle

Towing . . . . . . . . . . . . . . . . . . . . . . 10-93

Reimbursement Program,

GM Mobility . . . . . . . . . . . . . . . . . . 13-7

Remote Keyless Entry

(RKE) System . . . . . . . . . . . . . 2-2, 2-3
Remote Vehicle Start . . . . . . . . . . . 2-5

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Replacement

Glass . . . . . . . . . . . . . . . . . . . . . . . 10-37
Replacement Bulbs . . . . . . . . . . . 10-43
Replacement Parts

Airbags . . . . . . . . . . . . . . . . . . . . . . .3-38
Maintenance . . . . . . . . . . . . . . . . .11-15
Replacing Airbag System . . . . . . 3-38
Replacing LATCH System

Parts after a Crash . . . . . . . . . . . 3-55

Replacing Safety Belt

System Parts after a Crash . . . 3-21

Reporting Safety Defects

Canadian Government . . . . . . 13-18
General Motors . . . . . . . . . . . . . 13-18
U.S. Government . . . . . . . . . . . 13-17

Restraints

Where to Put . . . . . . . . . . . . . . . . .3-45

Retained Accessory

Power (RAP) . . . . . . . . . . . . . . . . . 9-29

Ride Control Systems

Messages . . . . . . . . . . . . . . . . . . . .5-44

Roads

Driving, Wet . . . . . . . . . . . . . . . . . . 9-11

Roadside Assistance

Program . . . . . . . . . . . . . . . . 13-7, 13-9

Roof

Sunroof . . . . . . . . . . . . . . . . . 2-22, 2-23
Rotation, Tires . . . . . . . . . . . . . . . . 10-65
Routing, Engine Drive Belt . . . . . 12-6
Running the Vehicle While

Parked . . . . . . . . . . . . . . . . . . . . . . . 9-34

Safety Belts . . . . . . . . . . . . . . . . . . . 3-12
Care . . . . . . . . . . . . . . . . . . . . . . . . . .3-20
Extender . . . . . . . . . . . . . . . . . . . . . .3-20
How to Wear Safety Belts

Properly . . . . . . . . . . . . . . . . . . . . .3-13
Lap Belt . . . . . . . . . . . . . . . . . . . . . .3-19
Lap-Shoulder Belt . . . . . . . . . . . .3-14
Reminders . . . . . . . . . . . . . . . . . . . .5-17
Replacing after a Crash . . . . . .3-21
Use During Pregnancy . . . . . . . .3-19

Safety Defects Reporting

Canadian Government . . . . . . 13-18
General Motors . . . . . . . . . . . . . 13-18
U.S. Government . . . . . . . . . . . 13-17
Safety Locks . . . . . . . . . . . . . . . . . . . . 2-9
Safety System Check . . . . . . . . . . 3-20
Satellite Radio . . . . . . . . . . . . . . . . . 7-11

INDEX

i-11

Scheduling Appointments . . . . . 13-12
Seats

Adjustment, Front . . . . . . . . . . . . . . 3-3
Center Seat . . . . . . . . . . . . . . . . . . . 3-4
Head Restraints . . . . . . . . . . . . . . . 3-2
Heated and Ventilated Front . . . 3-9
Lumbar Adjustment, Front . . . . . 3-4
Memory . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Power Adjustment, Front . . . . . . 3-4
Rear . . . . . . . . . . . . . . . . . . . . 3-10, 3-11
Reclining Seatbacks . . . . . . . . . . . 3-5

Securing Child

Restraints . . . . . . . . . . . . . . 3-55, 3-58

Security

Light . . . . . . . . . . . . . . . . . . . . . . . . . .5-29
OnStar® . . . . . . . . . . . . . . . . . . . . . .14-2
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 2-11

Service

Accessories and

Modifications . . . . . . . . . . . . . . . .10-3
Doing Your Own Work . . . . . . . .10-4
Engine Soon Light . . . . . . . . . . . .5-22
Maintenance Records . . . . . . .11-16
Maintenance, General

Information . . . . . . . . . . . . . . . . . . 11-1

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INDEX

Service (cont'd)

Parts Identification Label Publications Ordering

. . . . .12-1

Information . . . . . . . . . . . . . . . . 13-16
Scheduling Appointments . . . 13-12
Servicing the Airbag . . . . . . . . . . . 3-36
Shift Lock Control Function

Check, Automatic Transmission . . . . . . . . . . . . . . . . 10-35

Shifting

Into Park . . . . . . . . . . . . . . . . . . . . . .9-30
Out of Park . . . . . . . . . . . . . . . . . . .9-32

Signals, Turn and

Lane-Change . . . . . . . . . . . . . . . . . 6-5
Snow Plow . . . . . . . . . . . . . . . . . . . 9-106
Specifications and

Capacities . . . . . . . . . . . . . . . . . . . . 12-2
Speedometer . . . . . . . . . . . . . . . . . . 5-13
StabiliTrak

OFF Light . . . . . . . . . . . . . . . . . . . . .5-27
System . . . . . . . . . . . . . . . . . . . . . . .9-55
Start Assist, Hills . . . . . . . . . . . . . . 9-54
Start Vehicle, Remote . . . . . . . . . . 2-5

Starter Switch Check . . . . . . . . . 10-35
Starting the Engine . . . . . . . . . . . . 9-27
Starting the Vehicle

Messsages . . . . . . . . . . . . . . . . . . . 5-45
Steering . . . . . . . . . . . . . . . . . . . . . . . . 9-4
Fluid, Power . . . . . . . . . . . . . . . . 10-25
Wheel Adjustment . . . . . . . . . . . . . 5-2
Wheel Controls . . . . . . . . . . . . . . . . 5-2

Stoplamps and Back-up Lamps

Bulb Replacement . . . . . . . . . . 10-41

Storage Areas

Center Console . . . . . . . . . . . . . . . . 4-2
Glove Box . . . . . . . . . . . . . . . . . . . . . 4-1
Instrument Panel . . . . . . . . . . . . . . 4-1
Stuck Vehicle . . . . . . . . . . . . . . . . . . 9-15
Sun Visors . . . . . . . . . . . . . . . . . . . . . 2-21
Sunroof . . . . . . . . . . . . . . . . . . 2-22, 2-23
Switches

Airbag On-Off . . . . . . . . . . . . . . . . .3-29
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . iv System

Infotainment . . . . . . . . . . . . . . . . . . . 7-1
Noise Control . . . . . . . . . . . . . . . 10-34

Tachometer . . . . . . . . . . . . . . . . . . . . 5-13
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Taillamps . . . . . . . . . . . . . . . . . . . . . 10-40
Bulb Replacement . . . . . . . . . . 10-41
Text Telephone (TTY) Users . . . 13-6
Theft-Deterrent Systems . . . . . . . 2-13
Immobilizer . . . . . . . . . . . . . . . . . . .2-12
Throttle, Adjustable . . . . . . . . . . . . 9-25
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Tires

Buying New Tires . . . . . . . . . . . 10-68
Chains . . . . . . . . . . . . . . . . . . . . . . 10-74
Changing . . . . . . . . . . . . . . . . . . . 10-76
Designations . . . . . . . . . . . . . . . 10-54
Different Size . . . . . . . . . . . . . . . 10-70
Dual Rotation . . . . . . . . . . . . . . . 10-67
Full-Size Spare . . . . . . . . . . . . . 10-87
If a Tire Goes Flat . . . . . . . . . . 10-75
Inflation Monitor System . . . . 10-62
Inspection . . . . . . . . . . . . . . . . . . 10-65
Messages . . . . . . . . . . . . . . . . . . . .5-45
Pressure . . . . . . . . . . . . . . . . . . . . 10-60

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Tires (cont'd)

Pressure Light . . . . . . . . . . . . . . . .5-27
Pressure Monitor System . . . 10-60
Rotation . . . . . . . . . . . . . . . . . . . . 10-65
Sidewall Labeling . . . . . . . . . . . 10-52
Terminology and

Definitions . . . . . . . . . . . . . . . . . 10-55

Uniform Tire Quality

Grading . . . . . . . . . . . . . . . . . . . 10-70

Wheel Alignment and Tire

Balance . . . . . . . . . . . . . . . . . . . 10-72
Wheel Replacement . . . . . . . . 10-72
When It Is Time for New

Tires . . . . . . . . . . . . . . . . . . . . . . 10-68
Tow/Haul Mode . . . . . . . . . . . . . . . . 9-39
Tow/Haul Mode Light . . . . . . . . . . 5-26
Towing

Driving Characteristics . . . . . . . .9-74
Equipment . . . . . . . . . . . . . . . . . . . .9-94
General Information . . . . . . . . . .9-74
Recreational Vehicle . . . . . . . . 10-93
Trailer . . . . . . . . . . . . . . . . . . . . . . . .9-78
Trailer Sway

Control (TSC) . . . . . . . . . . . . . 9-105
Vehicle . . . . . . . . . . . . . . . . . . . . . 10-93

Traction

Control System (TCS)/

StabiliTrak® Light . . . . . . . . . . . .5-27

Trailer

Sway Control (TSC) . . . . . . . . 9-105
Tow Mirrors . . . . . . . . . . . . . . . . . . .2-15
Towing . . . . . . . . . . . . . . . . . . . . . . . .9-78
Transfer Case . . . . . . . . . . . . . . . . . 9-40
Transmission

Automatic . . . . . . . . . . . . . . . . . . . . .9-35
Fluid, Automatic . . . . . 10-11, 10-14
Messages . . . . . . . . . . . . . . . . . . . .5-46

Transportation Program,

Courtesy . . . . . . . . . . . . . . . . . . . . 13-13
Trip Odometer . . . . . . . . . . . . . . . . . 5-13
Truck-Camper Loading

Information . . . . . . . . . . . . . . . . . . . 9-23

Turn and Lane-Change

Signals . . . . . . . . . . . . . . . . . . . . . . . . 6-5

Turn Signal

Bulb Replacement . . . . . . . . . . 10-41

INDEX

i-13

Ultrasonic Parking Assist . . . . . . 9-61
Uniform Tire Quality

Grading . . . . . . . . . . . . . . . . . . . . . 10-70
Universal Remote System . . . . . 5-56
Operation . . . . . . . . . . . . . . . . . . . . .5-61
Programming . . . . . . . . . . . . . . . . .5-56
Using This Manual . . . . . . . . . . . . . . . . iv

Vehicle

Canadian Owners . . . . . . . . . . . . . . .iii Control . . . . . . . . . . . . . . . . . . . . . . . . 9-4
Identification

Number (VIN) . . . . . . . . . . . . . . .12-1
Load Limits . . . . . . . . . . . . . . . . . . .9-16
Messages . . . . . . . . . . . . . . . . . . . .5-39
Personalization . . . . . . . . . . . . . . .5-48
Reminder Messages . . . . . . . . . .5-47
Remote Start . . . . . . . . . . . . . . . . . . 2-5
Security . . . . . . . . . . . . . . . . . . . . . . 2-11
Towing . . . . . . . . . . . . . . . . . . . . . . 10-93

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Windows . . . . . . . . . . . . . . . . . . . . . . 2-19
Manual . . . . . . . . . . . . . . . . . . . . . . .2-19
Power . . . . . . . . . . . . . . . . . . . . . . . .2-20
Rear . . . . . . . . . . . . . . . . . . . . . . . . . .2-21

Windshield

Wiper/Washer . . . . . . . . . . . . . . . . . 5-4

Winter

Driving . . . . . . . . . . . . . . . . . . . . . . . .9-13
Wiper Blade Replacement . . . . 10-36

i-14

INDEX

Vehicle Care

Tire Pressure . . . . . . . . . . . . . . . 10-58
Ventilation, Air . . . . . . . . . . . . . . . . . 8-10
Visors . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
Voltmeter Gauge . . . . . . . . . . . . . . 5-16

Warning

Brake System Light . . . . . . . . . . .5-25

Warning Lights, Gauges,

and Indicators . . . . . . . . . . . . . . . . 5-11
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . iv Cautions and Danger . . . . . . . . . . . .iv Hazard Flashers . . . . . . . . . . . . . . . 6-5
Washer Fluid . . . . . . . . . . . . . . . . . 10-26
Messages . . . . . . . . . . . . . . . . . . . .5-48

Wheels

Alignment and Tire

Balance . . . . . . . . . . . . . . . . . . . 10-72
Different Size . . . . . . . . . . . . . . . 10-70
Replacement . . . . . . . . . . . . . . . 10-72

When It Is Time for New

Tires . . . . . . . . . . . . . . . . . . . . . . . . 10-68
. . . . 3-45

Where to Put the Restraint

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2012 GMC Sierra Owner Manual M

In Brief . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Instrument Panel . . . . . . . . . . . . . . 1-2
Initial Drive Information . . . . . . . . 1-8
Vehicle Features . . . . . . . . . . . . . 1-27
Performance and

Maintenance . . . . . . . . . . . . . . . . 1-35

Keys, Doors, and

Windows . . . . . . . . . . . . . . . . . . . . 2-1
Keys and Locks . . . . . . . . . . . . . . . 2-2
Doors . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Vehicle Security. . . . . . . . . . . . . . 2-11
Exterior Mirrors . . . . . . . . . . . . . . . 2-14
Interior Mirrors . . . . . . . . . . . . . . . . 2-18
Windows . . . . . . . . . . . . . . . . . . . . . 2-19
Roof . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22

Seats and Restraints . . . . . . . . . 3-1
Head Restraints . . . . . . . . . . . . . . . 3-2
Front Seats . . . . . . . . . . . . . . . . . . . . 3-3
Rear Seats . . . . . . . . . . . . . . . . . . . 3-10

Safety Belts . . . . . . . . . . . . . . . . . . 3-12
Airbag System . . . . . . . . . . . . . . . . 3-21
Child Restraints . . . . . . . . . . . . . . 3-39

Storage . . . . . . . . . . . . . . . . . . . . . . . 4-1
Storage Compartments . . . . . . . . 4-1

Instruments and Controls . . . . 5-1
Controls . . . . . . . . . . . . . . . . . . . . . . . 5-2
Warning Lights, Gauges, and

Indicators . . . . . . . . . . . . . . . . . . . 5-11
Information Displays . . . . . . . . . . 5-30
Vehicle Messages . . . . . . . . . . . . 5-39
Vehicle Personalization . . . . . . . 5-48
Universal Remote System . . . . 5-56

Lighting . . . . . . . . . . . . . . . . . . . . . . . 6-1
Exterior Lighting . . . . . . . . . . . . . . . 6-1
Interior Lighting . . . . . . . . . . . . . . . . 6-7
Lighting Features . . . . . . . . . . . . . . 6-9

Infotainment System . . . . . . . . . 7-1
Introduction . . . . . . . . . . . . . . . . . . . . 7-1
Radio . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
Audio Players . . . . . . . . . . . . . . . . 7-15
Rear Seat Infotainment . . . . . . . 7-37
Phone . . . . . . . . . . . . . . . . . . . . . . . . 7-48
Trademarks and License

Agreements . . . . . . . . . . . . . . . . . 7-55

Climate Controls . . . . . . . . . . . . . 8-1
Climate Control Systems . . . . . . 8-1
Air Vents . . . . . . . . . . . . . . . . . . . . . 8-10

Driving and Operating . . . . . . . . 9-1
Driving Information . . . . . . . . . . . . . 9-2
Starting and Operating . . . . . . . 9-25
Engine Exhaust . . . . . . . . . . . . . . 9-33
Automatic Transmission . . . . . . 9-35
Drive Systems . . . . . . . . . . . . . . . . 9-40
Brakes . . . . . . . . . . . . . . . . . . . . . . . 9-53

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Ride Control Systems . . . . . . . . 9-55
Cruise Control . . . . . . . . . . . . . . . . 9-58
Object Detection Systems . . . . 9-61
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 9-68
Towing . . . . . . . . . . . . . . . . . . . . . . . 9-74
Conversions and

Add-Ons . . . . . . . . . . . . . . . . . . . 9-105

Vehicle Care . . . . . . . . . . . . . . . . . 10-1
General Information . . . . . . . . . . 10-2
Vehicle Checks . . . . . . . . . . . . . . . 10-4
Headlamp Aiming . . . . . . . . . . . 10-37
Bulb Replacement . . . . . . . . . . 10-39
Electrical System . . . . . . . . . . . . 10-43
Wheels and Tires . . . . . . . . . . . 10-50
Jump Starting . . . . . . . . . . . . . . . 10-88
Towing . . . . . . . . . . . . . . . . . . . . . . 10-93
Appearance Care . . . . . . . . . . . 10-98

Service and Maintenance . . . 11-1
General Information . . . . . . . . . . 11-1
Maintenance Schedule . . . . . . . 11-3
Special Application

Services . . . . . . . . . . . . . . . . . . . . 11-8

Additional Maintenance

and Care . . . . . . . . . . . . . . . . . . . . 11-9

Recommended Fluids,

Lubricants, and Parts . . . . . . 11-12
Maintenance Records . . . . . . . 11-16

Technical Data . . . . . . . . . . . . . . . 12-1
Vehicle Identification . . . . . . . . . 12-1
Vehicle Data . . . . . . . . . . . . . . . . . . 12-2

Customer Information . . . . . . . 13-1
Customer Information . . . . . . . . 13-1
Reporting Safety Defects . . . . 13-17
Vehicle Data Recording and

Privacy. . . . . . . . . . . . . . . . . . . . 13-19

OnStar . . . . . . . . . . . . . . . . . . . . . . . 14-1
OnStar Overview . . . . . . . . . . . . . 14-1
OnStar Services . . . . . . . . . . . . . . 14-2
OnStar Additional

Information . . . . . . . . . . . . . . . . . . 14-5
Index . . . . . . . . . . . . . . . . . . . . . i-1

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Introduction

iii

Canadian Vehicle Owners

Propriétaires Canadiens A French language copy of this manual can be obtained from your dealer or from: On peut obtenir un exemplaire de ce guide en français auprès du concessionnaire ou à l'adresse suivante: Helm, Incorporated Attention: Customer Service 47911 Halyard Drive Plymouth, MI 48170

Please refer to the purchase documentation relating to your specific vehicle to confirm each of the features found on your vehicle. For vehicles first sold in Canada, substitute the name “General Motors of Canada Limited” for GMC Division wherever it appears in this manual. If the vehicle has the Duramax® diesel engine, see the Duramax diesel supplement for additional and specific information on this engine. If the vehicle is a hybrid, see the hybrid supplement for more information. Keep this manual in the vehicle for quick reference.

The names, logos, emblems, slogans, vehicle model names, and vehicle body designs appearing in this manual including, but not limited to, GM, the GM logo, GMC, the GMC Truck Emblem, and SIERRA are trademarks and/or service marks of General Motors LLC, its subsidiaries, affiliates, or licensors. This manual describes features that may or may not be on your specific vehicle either because they are options that you did not purchase or due to changes subsequent to the printing of this owner manual.

Litho in U.S.A. Part No. 20902916 B Second Printing

©2011 General Motors LLC. All Rights Reserved.

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iv

Introduction

Using this Manual To quickly locate information about the vehicle, use the Index in the back of the manual. It is an alphabetical list of what is in the manual and the page number where it can be found.

Danger, Warnings, and Cautions Warning messages found on vehicle labels and in this manual describe hazards and what to do to avoid or reduce them. Danger indicates a hazard with a high level of risk which will result in serious injury or death. Warning or Caution indicates a hazard that could result in injury or death.

{ WARNING

These mean there is something that could hurt you or other people.

Notice: This means there is something that could result in property or vehicle damage. This would not be covered by the vehicle's warranty.

A circle with a slash through it is a safety symbol which means “Do Not,” “Do not do this,” or “Do not let this happen.”

Symbols The vehicle has components and labels that use symbols instead of text. Symbols are shown along with the text describing the operation or information relating to a specific component, control, message, gauge, or indicator. M : This symbol is shown when you need to see your owner manual for additional instructions or information. * : This symbol is shown when you need to see a service manual for additional instructions or information.

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Vehicle Symbol Chart Here are some additional symbols that may be found on the vehicle and what they mean. For more information on the symbol, refer to the Index. 0 : Adjustable Pedals 9 : Airbag Readiness Light # : Air Conditioning ! : Antilock Brake System (ABS) % : Audio Steering Wheel Controls or OnStar® $ : Brake System Warning Light " : Charging System

I : Cruise Control B : Engine Coolant Temperature O : Exterior Lamps # : Fog Lamps . : Fuel Gauge + : Fuses 3 : Headlamp High/Low-Beam Changer j : LATCH System Child Restraints * : Malfunction Indicator Lamp : : Oil Pressure

Introduction

g : Outside Power Foldaway Mirrors O : Power / : Remote Vehicle Start > : Safety Belt Reminders 7 : Tire Pressure Monitor _ : Tow/Haul Mode d : Traction Control/StabiliTrak® M : Windshield Washer Fluid

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vi

Introduction

2 NOTES

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In Brief

1-1

In Brief

Instrument Panel

Instrument Panel (Base/Uplevel

Version) . . . . . . . . . . . . . . . . . . . . . 1-2

Instrument Panel (Premium

Version) . . . . . . . . . . . . . . . . . . . . . 1-6

Initial Drive Information

Initial Drive Information . . . . . . . . 1-8
Remote Keyless Entry (RKE)

System . . . . . . . . . . . . . . . . . . . . . . 1-8
Remote Vehicle Start . . . . . . . . . 1-9
Door Locks . . . . . . . . . . . . . . . . . . . 1-9
Windows . . . . . . . . . . . . . . . . . . . . . 1-10
Seat Adjustment . . . . . . . . . . . . . 1-11
Memory Features . . . . . . . . . . . . 1-14
Heated and Ventilated

Seats . . . . . . . . . . . . . . . . . . . . . . . 1-15

Head Restraint

Adjustment . . . . . . . . . . . . . . . . . 1-15

Safety Belts . . . . . . . . . . . . . . . . . . 1-16
Passenger Sensing

System . . . . . . . . . . . . . . . . . . . . . 1-16
Mirror Adjustment . . . . . . . . . . . . 1-16
Steering Wheel

Adjustment . . . . . . . . . . . . . . . . . 1-19

Throttle and Brake Pedal

Adjustment . . . . . . . . . . . . . . . . . 1-19
Interior Lighting . . . . . . . . . . . . . . 1-20
Exterior Lighting . . . . . . . . . . . . . 1-21
Windshield Wiper/Washer . . . . 1-21
Climate Controls . . . . . . . . . . . . . 1-22
Transmission . . . . . . . . . . . . . . . . 1-24
Four-Wheel Drive . . . . . . . . . . . . 1-25

Vehicle Features

Radio(s) . . . . . . . . . . . . . . . . . . . . . 1-27
Satellite Radio . . . . . . . . . . . . . . . 1-28
Portable Audio Devices . . . . . . 1-28
Bluetooth® . . . . . . . . . . . . . . . . . . . 1-29
Steering Wheel Controls . . . . . 1-29
Cruise Control . . . . . . . . . . . . . . . 1-30

Navigation System . . . . . . . . . . . 1-30
Driver Information

Center (DIC) . . . . . . . . . . . . . . . 1-30

Rear Vision

Camera (RVC) . . . . . . . . . . . . . 1-31
Ultrasonic Parking Assist . . . . 1-31
Power Outlets . . . . . . . . . . . . . . . 1-32
Universal Remote System . . . 1-32
Sunroof . . . . . . . . . . . . . . . . . . . . . . 1-33
Performance and Maintenance StabiliTrak® System . . . . . . . . . 1-35
Tire Pressure Monitor . . . . . . . . 1-35
Engine Oil Life System . . . . . . 1-35
Fuel E85 (85% Ethanol) . . . . . 1-36
Driving for Better Fuel

Economy . . . . . . . . . . . . . . . . . . . 1-36

Roadside Assistance

Program . . . . . . . . . . . . . . . . . . . . 1-36
OnStar® . . . . . . . . . . . . . . . . . . . . . 1-37

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1-2

In Brief

Instrument Panel

Instrument Panel (Base/Uplevel Version)

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In Brief

1-3

A. Air Vents on page 8‑10. B. Turn and Lane‐Change Lever.

See Turn and Lane-Change Signals on page 6‑5. Windshield Wiper/Washer on page 5‑4.

C. Driver Information Center (DIC) Buttons. See Driver Information Center (DIC) on page 5‑30.

D. Hazard Warning Flashers on

E.

page 6‑5 (Out of View). Instrument Cluster on page 5‑12.

F. Shift Lever. See Automatic Transmission on page 9‑35. Tow/Haul Selector Button (If Equipped). See Tow/Haul Mode on page 9‑39.

Range Selection Mode (Allison Transmission and Hydra-Matic® 6‐Speed Button) (If Equipped). See Manual Mode on page 9‑38. Infotainment on page 7‑1. Instrument Panel Storage on page 4‑1. Integrated Trailer Brake Controller (If Equipped). See Trailer Towing on page 9‑78.

G. H.

I.

J. Exterior Lamp Controls on

page 6‑1.

K. Data Link Connector (DLC)

(Out of View). See Malfunction Indicator Lamp on page 5‑22. L. Hood Release. See Hood on

page 10‑5.

M. Parking Brake on page 9‑54. N. Dome Lamps on page 6‑8.

Fog Lamps on page 6‑6
(If Equipped).

O. Cruise Control on page 9‑58. P. Steering Wheel Adjustment on

page 5‑2.

Q. Horn on page 5‑4. R. Steering Wheel Controls on

page 5‑2 (If Equipped).

S. Automatic Transfer Case

Control (If Equipped). See Four-Wheel Drive on page 10‑30.

T. Ashtray (If Equipped). See Ashtrays on page 5‑11 and Cigarette Lighter on page 5‑10.

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1-4

In Brief

U. StabiliTrak® System on

page 9‑55 (If Equipped). Ultrasonic Parking Assist on page 9‑61 (If Equipped). Pedal Adjust Button (If Equipped). See Adjustable Throttle and Brake Pedal on page 9‑25. Exhaust Brake (If Equipped). See “Brakes” in the Duramax diesel supplement.

V. Power Outlets on page 5‑9. W. Climate Control Systems (with

Air Conditioning) on page 8‑1 or Climate Control Systems (with Heater Only) on page 8‑4
(If Equipped). Dual Automatic Climate Control System on page 8‑5
(If Equipped).

X. Power Take Off (PTO) Control (If Equipped). See Power Take Off (PTO) in the Duramax diesel supplement.

Y. Passenger Airbag Off Control

(If Equipped). See Airbag On-Off Switch on page 3‑29.

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2 NOTES

In Brief

1-5

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1-6

In Brief

Instrument Panel (Premium Version)

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A. Air Vents on page 8‑10. B. Turn and Lane‐Change Lever.

See Turn and Lane-Change Signals on page 6‑5. Windshield Wiper/Washer on page 5‑4. Instrument Cluster on page 5‑12.

C.

D. Hazard Warning Flashers on

page 6‑5 (Out of View).

E. Shift Lever. See Automatic Transmission on page 9‑35. Range Selection Mode (If Equipped). See Manual Mode on page 9‑38.

F. Tow/Haul Mode on page 9‑39

(If Equipped).

G. Driver Information Center (DIC) Buttons. See Driver Information Center (DIC) on page 5‑30.

H. I.

J.

Infotainment on page 7‑1. Exterior Lamp Controls on page 6‑1. Integrated Trailer Brake Controller (If Equipped). See Trailer Towing on page 9‑78.

K. Dome Lamps on page 6‑8. L. Automatic Transfer Case

Control (If Equipped). See Four-Wheel Drive on page 10‑30.

M. Data Link Connector (DLC)

(Out of View). See Malfunction Indicator Lamp on page 5‑22. N. Hood Release. See Hood on

page 10‑5.

O. Parking Brake on page 9‑54. P. Cruise Control on page 9‑58.

In Brief

1-7

Q. Steering Wheel Adjustment on

page 5‑2.

R. Horn on page 5‑4. S. Steering Wheel Controls on

page 5‑2.

T. Climate Control Systems (with

Air Conditioning) on page 8‑1 or Climate Control Systems (with Heater Only) on page 8‑4
(If Equipped). Dual Automatic Climate Control System on page 8‑5
(If Equipped).

U. Power Outlets on page 5‑9.

Cigarette Lighter (If Equipped). See Ashtrays on page 5‑11 and Cigarette Lighter on page 5‑10.

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1-8

In Brief

V. StabiliTrak® System on

page 9‑55 (If Equipped). Pedal Adjust Button (If Equipped). See Adjustable Throttle and Brake Pedal on page 9‑25. Ultrasonic Parking Assist on page 9‑61 (If Equipped). Exhaust Brake (If Equipped). See “Brakes” in the Duramax diesel supplement.

W. Passenger Airbag Off Control (If

Equipped). See Airbag On-Off Switch on page 3‑29.

Initial Drive Information This section provides a brief overview about some of the important features that may or may not be on your specific vehicle. For more detailed information, refer to each of the features which can be found later in this owner manual.

Remote Keyless Entry (RKE) System The RKE transmitter is used to remotely lock and unlock the doors from up to 60 m (195 ft) away from the vehicle.

K : Press to unlock the driver door. Press K again within three seconds to unlock all remaining doors. Q : Press to lock all doors. Lock and unlock feedback can be personalized. See Vehicle Personalization (With DIC Buttons) on page 5‑48. L : Press and release to locate the vehicle. Press L and hold for more than two seconds to sound the panic alarm. Press L again to cancel the panic alarm.

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In Brief

1-9

Door Locks There are several ways to lock and unlock the vehicle. From outside, use the Remote Keyless Entry (RKE) transmitter or the key in the driver door. From inside, use the power door locks or the manual door locks. To lock or unlock the door with the manual locks, push down or pull up on the manual lock knob.

See Keys on page 2‑2 and Remote Keyless Entry (RKE) System Operation on page 2‑3.

Remote Vehicle Start With this feature the engine can be started from outside of the vehicle. Starting the Vehicle 1. Aim the RKE transmitter at the

vehicle.

2. Press and release Q. 3.

Immediately after completing Step 2, press and hold / until the turn signal lamps flash.

When the vehicle starts, the parking lamps will turn on and remain on as long as the engine is running. The doors will be locked and the climate control system may come on.

The engine will continue to run for 10 minutes. Repeat the steps for a 10-minute time extension. Remote start can be extended only once. Canceling a Remote Start To cancel a remote start: . Aim the RKE transmitter at the vehicle and press and hold / until the parking lamps turn off. Turn on the hazard warning flashers. Turn the ignition on and then back off.

See Remote Vehicle Start on page 2‑5.

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1-10

In Brief

Power Door Locks

Crew Cab Premium Trim Shown,

Up-Level Similar

Base Trim

For vehicles with power door locks: Q : Press to lock the doors. K : Press to unlock the doors. See Door Locks on page 2‑7 and Power Door Locks on page 2‑8 for more information.

Windows

Manual Windows Turn the hand crank on each door to manually raise or lower the manual windows. Power Windows

Crew Cab Premium Trim Shown,

Others Models Similar

The driver door has a switch to control all windows. Each passenger door has a switch to control that window. The power windows work when the ignition

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is in ON/RUN or ACC/ ACCESSORY, or Retained Accessory Power (RAP). See Retained Accessory Power (RAP) on page 9‑29. Press the switch to lower the window. Pull the switch up to raise it. For more information, see: . Windows on page 2‑19. . Power Windows on page 2‑20.

Power Sliding Rear Window

Seat Adjustment

Manual Seats

In Brief

1-11

If equipped, the power sliding rear window works when the ignition has been turned to ACC/ACCESSORY or ON/RUN, or when Retained Accessory Power (RAP) is active. See Retained Accessory Power (RAP) on page 9‑29
. Push the switch to open the

window.

. Pull the switch to close the

window.

The power sliding rear window cannot be operated manually.

To adjust the seat: 1. Lift the bar to unlock the seat. 2. Slide the seat to the desired position and release the bar.

3. Try to move the seat back and

forth to be sure the seat is locked in place.

See Seat Adjustment on page 3‑3.

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1-12

In Brief

Power Seats

Power Lumbar

If available, raise or lower the entire seat by moving the entire control up or down.

See Power Seat Adjustment on page 3‑4. Lumbar Adjustment

Manual Lumbar

To adjust a power seat, if equipped: . Move the seat forward or

rearward by sliding the control forward or rearward. If available, raise or lower the front or rear part of the seat cushion by moving the front or rear of the control up or down.

If equipped, increase or decrease manual lumbar support by turning the knob forward or rearward. See Lumbar Adjustment on page 3‑4.

To adjust the power lumbar support, if equipped: . On vehicles with two-way

lumbar, press and hold the top or bottom of the control to increase or decrease lumbar support.

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Reclining Seatbacks

Manual Reclining Seatbacks

. On vehicles with four-way

lumbar, press and hold the front or rear of the control to increase or decrease lumbar support. To raise or lower the height of the support, press and hold the top or bottom of the control. See Lumbar Adjustment on page 3‑4.

In Brief

1-13

To return the seatback to the upright position: 1. Lift the lever fully without applying pressure to the seatback, and the seatback will return to the upright position.

2. Push and pull on the seatback to

make sure it is locked.

See Reclining Seatbacks on page 3‑5.

To recline a manual seatback: 1. Lift the lever. 2. Move the seatback to the desired position, and then release the lever to lock the seatback in place.

3. Push and pull on the seatback to

make sure it is locked.

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1-14

In Brief

Power Reclining Seatbacks

Memory Features

To adjust a power seatback, if equipped:

Tilt the top of the control rearward to recline. Tilt the top of the control forward to raise.

See Reclining Seatbacks on page 3‑5.

On vehicles with the memory feature, the controls on the driver door are used to program and recall memory settings for the driver seat, outside mirrors, and the adjustable throttle and brake pedals, if equipped.

Storing Memory Positions To save into memory: 1. Adjust the driver seat and

seatback recliner, both outside mirrors, and the throttle and brake pedals, if equipped. See Power Mirrors on page 2‑15
and Adjustable Throttle and Brake Pedal on page 9‑25. Not all mirrors and adjustable throttle and brake pedals will have the ability to save and recall their positions.

2. Press and hold “1” until

two beeps sound.

3. Repeat for a second driver

position using “2.”

To recall, press and release “1” or “2.” The vehicle must be in P (Park). A single beep will sound. The seat, outside mirrors, and adjustable throttle and brake pedals, if equipped, will move to the position previously stored for the identified driver.

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Heated and Ventilated Seats

See Memory Seats on page 3‑7 and Vehicle Personalization (With DIC Buttons) on page 5‑48.

Easy Exit Driver Seat This feature can move the seat rearward to allow extra room to exit the vehicle. B : Press to recall the easy exit seat position. The vehicle must be in P (Park). See Memory Seats on page 3‑7 and Vehicle Personalization (With DIC Buttons) on page 5‑48.

Heated and Cooled Seat Buttons

Shown, Heated Seat Buttons

Similar

If available, the buttons are on the front doors. To operate, the ignition must be in ON/RUN. H : the seat. I : Press to heat the seatback only.

If available, press to cool

In Brief

1-15

J : Press to heat the seat and seatback. Press the button once for the highest setting. With each press of the button, the seat will change to the next lower setting, and then to the off setting. The lights indicate three for the highest setting and one for the lowest. See Heated and Ventilated Front Seats on page 3‑9.

Head Restraint Adjustment Do not drive until the head restraints for all occupants are installed and adjusted properly. To achieve a comfortable seating position, change the seatback recline angle as little as necessary while keeping the seat and the head restraint height in the proper position. See Head Restraints on page 3‑2
and Seat Adjustment on page 3‑3.

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1-16

In Brief

Safety Belts

Refer to the following sections for important information on how to use safety belts properly. . Safety Belts on page 3‑12. . How to Wear Safety Belts

Properly on page 3‑13. Lap-Shoulder Belt on page 3‑14. Lower Anchors and Tethers for Children (LATCH System) on page 3‑47.

Passenger Sensing System The passenger sensing system, if equipped, turns off the front outboard passenger frontal airbag under certain conditions. No other airbag is affected by the passenger sensing system. If the vehicle has one of the indicators pictured in the following illustrations, then the vehicle has a passenger sensing system for the right front passenger position unless there is an airbag off switch located in the glove box. If there is an airbag off switch, the vehicle does not have a passenger sensing system. See Airbag On-Off Switch on page 3‑29 for more information. The passenger airbag status indicator will be visible on the overhead console when the vehicle is started.

United States

Canada and Mexico

See Passenger Sensing System on page 3‑32 for important information.

Mirror Adjustment Using hood-mounted air deflectors and add-on convex mirror attachments could decrease mirror performance.

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In Brief

1-17

Exterior Mirrors

Power Mirrors

Crew Cab Premium Trim with Power Folding Mirrors Shown,

Up-Level Similar

1. Press (A) or (B) to select the

driver or passenger side mirror. 2. Press the arrows on the control

pad to move the mirror up, down, right, or left.

3. Adjust each outside mirror so

that a little of the vehicle and the area behind it can be seen.

4. Press either (A) or (B) again to

deselect the mirror.

See Power Mirrors on page 2‑15. If the vehicle has power folding mirrors: 1. Press (C) to fold the mirrors out

to the driving position.

2. Press (D) to fold the mirrors in to

the folded position.

See Folding Mirrors on page 2‑16. The mirrors may also include a memory function that works with the memory seats. See Memory Seats on page 3‑7 for more information.

Crew Cab Up-Level Trim without

Power Folding Mirrors

1. Move the selector switch located

above the four-way control pad to the left or right to choose either the driver side or passenger side mirror.

2. Press one of the four arrows located on the control pad to move the mirror in the desired direction.

3. Adjust each outside mirror so

that a little of the vehicle and the area behind it can be seen.

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In Brief

See Power Mirrors on page 2‑15. Keep the selector switch in the center position when not adjusting either outside mirror.

Manual Mirrors If the vehicle has manual mirrors, they can be adjusted by moving the mirror up and down or left to right to see a little of the side of the vehicle, and have a clear view behind the vehicle.

Manual Folding Mirrors If the vehicle has manual folding mirrors, push the mirror toward the vehicle. Push the mirror outward, to return to its original position. Manually fold the mirrors inward to prevent damage when going through an automatic car wash. See Folding Mirrors on page 2‑16.

Trailer-Tow Mirrors If the vehicle has towing mirrors, they can be adjusted for a clearer view of the objects behind you. Manually pull out the mirror head to extend it for better visibility when towing a trailer. See Trailer-Tow Mirrors on page 2‑15.

Heated Mirrors For vehicle with heated mirrors: Press 1 to heat the mirrors. If the vehicle has a towing mirror, only the upper glass of the mirror is heated. The lower convex part of the towing mirrors is not heated. See “Rear Window Defogger” under Climate Control Systems (with Air Conditioning) on page 8‑1
or Climate Control Systems (with Heater Only) on page 8‑4 or Dual Automatic Climate Control System on page 8‑5 for more information.

Park Tilt Mirrors If the vehicle has the memory package, the exterior mirrors tilt to a preselected position when the vehicle is in R (Reverse). This feature lets the driver view the curb when parallel parking. The mirrors return to the original position when the vehicle is shifted out of R (Reverse), or the ignition is turned off or to OFF/LOCK. This feature can be programed through the Driver Information Center (DIC). See Vehicle Personalization (With DIC Buttons) on page 5‑48 for more information. Interior Mirror

Adjustment Hold the rearview mirror in the center and move it to view the area behind the vehicle.

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Manual Rearview Mirror For vehicles with a manual rearview mirror, push the tab forward for daytime use and pull it for nighttime use to avoid glare from the headlamps from behind. See Manual Rearview Mirror on page 2‑18.

Automatic Dimming Rearview Mirror For vehicles with an automatic dimming rearview mirror. The mirror will automatically reduce the glare from the headlamps from behind. The dimming feature comes on when the vehicle is started. See Automatic Dimming Rearview Mirror on page 2‑18.

Steering Wheel Adjustment

In Brief