sunroof GMC SIERRA 1500 2012 User Guide

Black plate (46,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
10-46 Vehicle Care
FusesUsage
9 Antilock Brakes System 2
10 Trailer Back-up Lamps
11 Driver Side Low-Beam
Headlamp
12 Engine Control Module
(Battery)
13 Fuel Injectors, Ignition
Coils (Right Side)
14 Transmission Control
Module (Battery)
15 Vehicle Back-up Lamps
16 Passenger Side
Low-Beam Headlamp
17 Air Conditioning
Compressor
18 Oxygen Sensors
19 Transmission Controls
(Ignition)
20 Fuel Pump
21 Fuel System Control
Module Fuses
Usage
22 Not Used
23 Not Used
24 Fuel Injectors, Ignition
Coils (Left Side)
25 Trailer Park Lamps
26 Driver Side Park Lamps
27 Passenger Side Park
Lamps
28 Fog Lamps
29 Horn
30 Passenger Side
High-Beam Headlamp
31 Daytime Running
Lamps (DRL)
32 Driver Side High-Beam
Headlamp
33 Daytime Running Lamps 2
34 Sunroof
35 Key Ignition System, Theft
Deterrent System Fuses
Usage
36 Windshield Wiper
37 SEO B2 Upfitter Usage
(Battery)
38 Electric Adjustable Pedals
39 Climate Controls (Battery)
40 Airbag System (Ignition)
41 Amplifier
42 Audio System
43 Miscellaneous (Ignition),
Cruise Control
44 Not Used
45 Airbag System (Battery)
46 Instrument Panel Cluster
47 Power Take-Off
48 Auxiliary Climate Control
(Ignition)
49 Center High-Mounted
Stoplamp (CHMSL)
50 Rear Defogger

Black plate (4,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
11-4 Service and Maintenance
.Visually inspect steering,
suspension, and chassis
components for damaged, loose,
or missing parts or signs of
wear. SeeExterior Care on
page 10‑98.
.Check restraint system
components. See Safety System
Check on page 3‑20.
.Visually inspect fuel system for
damage or leaks.
.Visually inspect exhaust system
and nearby heat shields for
loose or damaged parts.
.Lubricate body components. See
Exterior Care on page 10‑98.
.Check starter switch. See Starter
Switch Check on page 10‑35.
.Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function Check on
page 10‑35.
.Check ignition transmission lock.
See Ignition Transmission Lock
Check on page 10‑35.
.Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check on
page 10‑36.
.Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
.Visually inspect gas strut for
signs of wear, cracks, or other
damage. Check the hold open
ability of the strut. See your
dealer if service is required.
.Inspect sunroof track and seal,
if equipped. See Sunroof (Crew
Cab) on page 2‑23 orSunroof
(Extended Cab) on page 2‑22.
.Check hybrid low pressure
coolant level, if equipped.

Black plate (11,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
INDEX i-11
ReplacementGlass . . . . . . . . . . . . . . . . . . . . . . . 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
S
Safety Belts . . . . . . . . . . . . . . . . . . . 3-12Care . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20
Extender . . . . . . . . . . . . . . . . . . . . . . 3-20
How to Wear Safety BeltsProperly . . . . . . . . . . . . . . . . . . . . . 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 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 andModifications . . . . . . . . . . . . . . . . 10-3
Doing Your Own Work . . . . . . . . 10-4
Engine Soon Light . . . . . . . . . . . . 5-22
Maintenance Records . . . . . . .11-16
Maintenance, General Information . . . . . . . . . . . . . . . . . . 11-1

Black plate (12,1)GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
i-12 INDEX
Service (cont'd)Parts Identification Label . . . . . 12-1
Publications Ordering
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 . . . . . . . . . . . . . . . 10-34T
Tachometer . . . . . . . . . . . . . . . . . . . . 5-13
Tailgate . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Taillamps . . . . . . . . . . . . . . . . . . . . . 10-40Bulb 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