
Additional Required Services
At Each Fuel Stop
•
Engine oil level check. SeeEngine Oil on page 6-15.
•Engine coolant level check. SeeEngine Coolant on
page 6-29.
•Windshield washer fluid level check. SeeWindshield
Washer Fluid on page 6-38.
Once a Month
•
Tire inflation check. SeeIn ation - Tire Pressure on
page 6-64.
•Tire wear inspection. SeeTire Inspection and
Rotation on page 6-71.
Once a Year
•
Starter switch check. SeeOwner Checks and
Services on page 7-8.
•Parking brake and automatic transmission P (Park)
mechanism check. SeeOwner Checks and
Services on page 7-8.
•Automatic transmission shiftlock control system
check. SeeOwner Checks and Services on
page 7-8.
•Ignition transmission lock check. SeeOwner
Checks and Services on page 7-8.
•Engine cooling system and pressure cap pressure
check. Radiator and air conditioning condenser
outside cleaning. SeeCooling System on page 6-27.
•Exhaust system and nearby heat shields inspection
for loose or damaged components.
•Accelerator pedal check for damage, high effort, or
binding. Replace if needed.
First Engine Oil Change After Every
40 000 km/25,000 Miles
•
Fuel system inspection for damage or leaks.
7-5

Owner Checks and Services
Starter Switch Check
{WARNING:
When you are doing this inspection, the vehicle
could move suddenly. If the vehicle moves, you or
others could be injured.
1. Before starting this check, be sure there is enough
room around the vehicle.
2. Firmly apply both the parking brake and the regular
brake. SeeParking Brake on page 3-30.
Do not use the accelerator pedal, and be ready to
turn off the engine immediately if it starts.
3. For automatic transmission vehicles, try to start the
engine in each gear. The starter should work only
in P (Park) or N (Neutral). If the starter works in any
other position, your vehicle needs service.For manual transmission vehicles, put the shift lever
in Neutral, push the clutch pedal down halfway, and
try to start the engine. The starter should work only
when the clutch pedal is pushed down all the way to
the floor. If the starter works when the clutch pedal is
not pushed all the way down, your vehicle needs
service.Automatic Transmission Shift Lock
Control System Check
{WARNING:
When you are doing this inspection, the vehicle
could move suddenly. If the vehicle moves, you or
others could be injured.
1. Before starting this check, be sure there is enough
room around the vehicle. It should be parked on a
level surface.
2. Firmly apply the parking brake. SeeParking Brake
on page 3-30.
Be ready to apply the regular brake immediately if
the vehicle begins to move.
7-8

3. With the engine off, turn the ignition to ON/RUN,
but do not start the engine. Without applying the
regular brake, try to move the shift lever out
of P (Park) with normal effort. If the shift lever
moves out of P (Park), contact your dealer/retailer
for service.
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn
the ignition to LOCK/OFF in each shift lever position.
•For automatic transmission vehicles, the ignition
should turn to LOCK/OFF only when the shift
lever is in P (Park). The ignition key should come
out only in LOCK/OFF.
•For manual transmission vehicles, the ignition
should turn to LOCK/OFF only when you press the
key release button.
On all vehicles, the ignition key should come out only in
LOCK/OFF.
Turn the steering wheel to the left and to the right.
It should only lock when turned to the right.
Contact your dealer/retailer if service is required.
Parking Brake and Automatic
Transmission P (Park) Mechanism
Check
{WARNING:
When you are doing this check, the vehicle could
begin to move. You or others could be injured and
property could be damaged. Make sure there is
room in front of the vehicle in case it begins to roll.
Be ready to apply the regular brake at once should
the vehicle begin to move.
Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular brake, set the
parking brake.
•To check the parking brake’s holding ability: With the
engine running and the transmission in N (Neutral),
slowly remove foot pressure from the regular brake
pedal. Do this until the vehicle is held by the parking
brake only.
•To check the P (Park) mechanism’s holding ability:
With the engine running, shift to P (Park). Then
release the parking brake followed by the regular
brake.
Contact your dealer/retailer if service is required.
7-9

Appearance Care (cont.)
Finish Damage..........................................6-109
Instrument Panel, Vinyl, and Other
Plastic Surfaces.....................................6-105
Interior Cleaning........................................6-102
Leather....................................................6-104
Sheet Metal Damage..................................6-109
Tires........................................................6-108
Underbody Maintenance.............................6-109
Washing Your Vehicle.................................6-106
Weatherstrips............................................6-105
Windshield and Wiper Blades......................6-107
Approaching a Hill..........................................5-18
Ashtray.........................................................4-16
Assist Handles...............................................3-40
Assistance Program, Roadside........................... 8-7
Audio System.................................................4-42
Radio Reception..........................................4-61
Setting the Clock.........................................4-43
Theft-Deterrent Feature................................4-61
XM™ Satellite Radio Antenna System............4-63
Audio System(s).............................................4-43
Automatic Headlamp System............................4-12
Automatic Transmission
Fluid..........................................................6-21
Operation...................................................3-21
Automatic Transmission Shift Lock Control
System Check.............................................. 7-8
Axle, Rear.....................................................6-47B
Backing Up....................................................5-57
Battery..........................................................6-42
Electric Power Management..........................4-14
Run-Down Protection...................................4-15
Battery Replacement......................................... 3-4
Before You Go Off-Roading..............................5-13
Belt Routing, Engine.......................................7-13
Blizzard Conditions..........................................5-30
Brake
Emergencies................................................ 5-5
Brake Adjustment............................................6-41
Brake Fluid....................................................6-39
Brake Pedal Travel.........................................6-41
Brake Wear...................................................6-41
BRAKES.......................................................4-38
Brakes..........................................................6-39
Antilock....................................................... 5-5
Parking......................................................3-30
System Warning Light..................................4-25
Braking........................................................... 5-3
Braking in Emergencies..................................... 5-5
Break-In, New Vehicle.....................................3-16
Bulb Replacement...........................................6-54
Center High-Mounted Stoplamp (CHMSL)........6-52
Fog Lamps .................................................4-12
Front Turn Signal, Parking and Daytime
Running Lamps........................................6-52
2

J
Jump Starting.................................................6-43
K
Keyless Entry
Remote (RKE) System................................... 3-3
Keyless Entry System....................................... 3-3
Keys............................................................... 3-2
L
Labeling, Tire Sidewall.....................................6-58
Lamps
Daytime Running (DRL)................................4-11
Dome ........................................................4-13
Dome Lamp Override...................................4-14
Exterior Cargo.............................................4-13
License Plate..............................................6-54
Malfunction Indicator....................................4-28
Lap Belt........................................................2-33
Lap-Shoulder Belt...........................................2-27
LATCH System for Child Restraints...................2-46
Latches, Seatback............................................ 2-9
Leaving After Parking on a Hill.........................5-59Leaving the Vehicle With the Engine Running
(Automatic Transmission)..............................3-32
Lighting
Exit...........................................................4-14
Lights
Airbag Readiness........................................4-22
Antilock Brake System (ABS) Warning............4-26
Brake System Warning.................................4-25
Charging System.........................................4-24
Cruise Control.............................................4-32
Exterior Lamps............................................4-10
Flash-to-Pass............................................... 4-5
Highbeam On.............................................4-32
High/Low Beam Changer................................ 4-5
Oil Pressure...............................................4-31
On Reminder..............................................4-11
Passenger Airbag Status Indicator..................4-23
Safety Belt Reminders..................................4-21
Security.....................................................4-32
StabiliTrak
®/Traction Control System (TCS)
Warning Light..........................................4-26
Tire Pressure..............................................4-28
Up-Shift.....................................................4-24
Limited-Slip Rear Axle....................................... 5-9
Loading Your Vehicle.......................................5-33
Loading Your Vehicle for Off-Road Driving..........5-14
9

O
Odometer......................................................4-20
Trip ...........................................................4-20
Off-Road .......................................................5-13
Driving.......................................................5-13
Recovery....................................................5-11
OIL ...............................................................4-39
Oil
Engine.......................................................6-15
Engine Oil Life System.................................6-18
Pressure Light.............................................4-31
Older Children, Restraints................................2-35
Online Owner Center........................................ 8-5
Online Owner Center
(U.S.) — www.gmownercenter.com/gmc............ 8-5
OnStar, Privacy..............................................8-18
Other Rainy Weather Tips................................5-26
Outlet Adjustment............................................4-18
Outlets
Accessory Power.........................................4-15
Outside
Convex Mirror.............................................3-39
Manual Mirrors............................................3-38
Power Mirrors.............................................3-38
Owner Checks and Services.............................. 7-8
Owner Information...........................................8-15
Owners, Canadian.............................................. iii
P
Paint, Damage..............................................6-109
Park
Shifting Into................................................3-31
Shifting Out of............................................3-32
PARK BRK (Brake).........................................4-39
Parking
Brake........................................................3-30
Over Things That Burn.................................3-33
Parking Brake and Automatic Transmission
P (Park) Mechanism Check............................. 7-9
Parking on Hills..............................................5-58
Parking Your Vehicle.......................................3-33
Passenger Airbag Status Indicator.....................4-23
Passenger Safety Belt Reminder Light...............4-21
Passenger Sensing System..............................2-73
Passing.................................................5-11, 5-57
PASS-Key
®III+ Electronic Immobilizer...............3-15
PASS-Key®III+ Electronic Immobilizer
Operation...................................................3-15
Passlock
®......................................................3-14
Perchlorate Materials Requirements, California...... 6-4
Personalization Features..................................4-34
Pickup Conversion to Chassis Cab....................5-40
Playing a CD (Radio with Single CD Player).......4-52
Playing an MP3/WMA CD-R Disc......................4-55
Playing the Radio...........................................4-45
11

Scheduled Maintenance..................................... 7-3
Scheduling Appointments.................................8-10
Seatback Latches............................................. 2-9
Seats
Heated Seats............................................... 2-4
Manual Lumbar............................................. 2-3
Power Lumbar .............................................. 2-4
Power Seats................................................. 2-3
Rear Seat Operation............................2-10, 2-11
Reclining Seatbacks...................................... 2-5
Secondary Latch System.................................6-93
Securing a Child Restraint
Center Front Seat Position............................2-60
Rear Seat Position......................................2-58
Right Front Seat Position..............................2-60
Securing an Add-On Child Restraint in the
Vehicle.......................................................2-43
Securing the Child Within the Child Restraint......2-43
Security
Light..........................................................4-32
SERV (Service) 4WD (Four-Wheel Drive)...........4-40
SERV (Service) TPM (Tire Pressure Monitor)......4-40
SERV (Service) VEH (Vehicle)..........................4-40
Service........................................................... 6-3
Accessories and Modifications......................... 6-3
Adding Equipment to the Outside of the
Vehicle..................................................... 6-5
Doing Your Own Work................................... 6-4Service (cont.)
Engine Soon Lamp......................................4-28
Parts Identification Label.............................6-110
Publications Ordering Information...................8-15
Scheduling Appointments..............................8-10
Service Bulletins.............................................8-15
SERVICE CHARG (Charge) SYS (System).........4-41
Service Manuals.............................................8-15
SERVICE STAB (Stability) SYS (System)...........4-41
Services Not Included in Roadside Assistance...... 8-9
Services Provided............................................. 8-8
Services Specific to Canadian Purchased
Vehicles....................................................... 8-9
Servicing Your Airbag-Equipped Vehicle..............2-79
Setting Preset PTYs (RDS) Only.......................4-50
Setting Preset Stations............................
1-15, 4-47
Setting the Clock....................................1-15, 4-43
Setting the Tone (Bass/Treble)..........................4-47
Sheet Metal Damage.....................................6-109
Shift Speeds..................................................3-25
Shifting
Out of Park................................................3-32
Shifting Into Park............................................3-31
Shoulder Belt Height Adjuster...........................2-29
Signals, Turn and Lane-Change.......................... 4-4
Skidding........................................................5-12
Sliding Rear Windows.....................................3-12
14

Traveling to Remote Areas...............................5-15
Treadwear.....................................................6-76
Treadwear 200 Traction AA Temperature A.........6-75
Trip Information..............................................4-34
Trip Odometer................................................4-20
Truck-Camper Loading Information....................5-40
Turn and Lane-Change Signals.......................... 4-4
TURN SIGNAL ...............................................4-41
Turn Signal/Multifunction Lever........................... 4-4
Turn Signals When Towing a Trailer..................5-57
Two-Tiered Loading.........................................5-40
U
Uniform Tire Quality Grading............................6-75
United States................................................... 8-6
Up-Shift Light.........................................3-24, 4-24
Used Replacement Wheels..............................6-78
Using ABS....................................................... 5-5
V
Vehicle
Control........................................................ 5-3
Loading......................................................5-33
Parking Your...............................................3-33
Running While Parked..................................3-34
Symbols......................................................... ivVehicle Data Recording and Privacy..................8-16
Vehicle Identification
Number (VIN)............................................6-110
Service Parts Identification Label..................6-110
Vehicle Personalization....................................1-16
Vehicle Storage..............................................6-42
Ventilation Adjustment......................................4-18
Visors...........................................................3-12
W
Warning Lights, Gages, and Indicators...............4-18
Warnings
DIC Warnings and Messages........................4-37
Hazard Flashers............................................ 4-3
Safety and Symbols......................................... iv
Weight of the Trailer........................................5-49
Weight of the Trailer Tongue.............................5-52
Weight-Distributing Hitches and Weight Carrying
Hitches......................................................5-55
What Kind of Engine Oil to Use........................6-17
What to Do with Used Oil ................................6-19
What to Use ..................6-30, 6-37, 6-38, 6-47, 6-49
Wheels
Alignment and Tire Balance..........................6-77
Different Size..............................................6-75
Replacement...............................................6-77
When It Is Time for New Tires..........................6-72
17