First Engine Oil Change After Every
160 000 km/100,000 Miles
.Automatic transmission fluid and filter change(normal service). SeeAutomatic TransmissionFluid on page 7!24.
.Four!wheel drive only: Transfer case fluid change(normal service). Check vent hose at transfer casefor kinks and proper installation. Check to be surevent hose is unobstructed, clear, and free ofdebris. During any maintenance, if a power washeris used to clean mud and dirt from the underbody,care should be taken to not directly spray thetransfer case output seals. High pressure watercan overcome the seals and contaminate thetransfer case fluid. Contaminated fluid willdecrease the life of the transfer case and shouldbe replaced.
.Spark plug replacement and spark plug wiresinspection.An Emission Control Service.
First Engine Oil Change After Every
240 000 km/150,000 Miles
.Engine cooling system drain, flush, and refill,cooling system and cap pressure check, andcleaning of outside of radiator and air conditioningcondenser (or every 5 years, whichever occursfirst). SeeEngine Coolanton page 7!29.AnEmission Control Service.
.Engine accessory drive belt inspection for fraying,excessive cracks, or obvious damage andreplacement, if needed.An Emission ControlService.
8-7
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 enoughroom around the vehicle.
2. Firmly apply both the parking brake and the regularbrake. SeeParking Brake on page 3!38.
Do not use the accelerator pedal, and be ready toturn off the engine immediately if it starts.
3. Try to start the engine in each gear. The vehicleshould start only in P (Park) or N (Neutral). If thevehicle starts in any other position, contact yourdealer/retailer for 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 enoughroom around the vehicle. It should be parked on alevel surface.
2. Firmly apply the parking brake. SeeParking Brakeon page 3!38.
Be ready to apply the regular brake immediately ifthe vehicle begins to move.
3. With the engine off, turn the ignition to ON/RUN,but do not start the engine. Without applying theregular brake, try to move the shift lever out ofP (Park) with normal effort. If the shift lever movesout of P (Park), contact your dealer/retailer forservice.
8-8
Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turnthe ignition to LOCK/OFF in each shift lever position.
.The ignition should turn to LOCK/OFF only whenthe shift lever is in P (Park).
.The ignition key should come out only inLOCK/OFF.
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 facingdownhill. Keeping your foot on the regular brake, set theparking brake.
.To check the parking brake's holding ability: Withthe engine running and the transmission inN (Neutral), slowly remove foot pressure from theregular brake pedal. Do this until the vehicle is heldby the parking brake only.
.To check the P (Park) mechanism's holding ability:With the engine running, shift to P (Park). Thenrelease the parking brake followed by the regularbrake.
Contact your dealer/retailer if service is required.
8-9
Recommended Fluids and
Lubricants
Fluids and lubricants identified below by name, partnumber, or specification can be obtained from yourdealer/retailer.
UsageFluid/Lubricant
Engine Oil
The engine requires a special engineoil meeting GM Standard GM4718M.Oils meeting this standard can beidentified as synthetic, and shouldalso be identified with the AmericanPetroleum Institute (API) Certified forGasoline Engines starburst symbol.However, not all synthetic API oilswith the starburst symbol will meetthis GM standard. Look for and useonly oil that meets GM StandardGM4718M. For the proper viscosity,seeEngine Oil on page 7!17.
UsageFluid/Lubricant
Engine Coolant
50/50 mixture of clean, drinkablewater and use only DEX-COOL®
Coolant. SeeEngine Coolantonp a g e 7!29.
Hydraulic BrakeSystem
DOT 3 Hydraulic Brake Fluid(GM Part No. U.S. 12377967, inCanada 89021320).
WindshieldWasherOptikleen®Washer Solvent.
Power SteeringSystem
GM Power Steering Fluid(GM Part No. U.S. 89021184, inCanada 89021186).
AutomaticTransmissionDEXRON®-VI Automatic TransmissionFluid.
Key LockCylinders
Multi-Purpose Lubricant, Superlube(GM Part No. U.S. 12346241, inCanada 10953474).
8-10
UsageFluid/Lubricant
ChassisLubrication
Chassis Lubricant(GM Part No. U.S. 12377985, inCanada 88901242) or lubricantmeeting requirements of NLGI #2,Category LB or GC-LB.
Front andRear Axle
SAE 75W-90 Synthetic Axle Lubricant(GM Part No. U.S. 89021677, inCanada 89021678) meetingGM Specification 9986115.
Transfer CaseDEXRON®-VI Automatic TransmissionFluid.
Hood HingesMulti-Purpose Lubricant, Superlube(GM Part No. U.S. 12346241, inCanada 10953474).
Body DoorHinge Pins,Tailgate Hingeand Linkage,Folding Seats,and Fuel DoorHinge
Multi-Purpose Lubricant, Superlube(GM Part No. U.S. 12346241, inCanada 10953474).
UsageFluid/Lubricant
Outer TailgateHandle PivotPoints
Multi-Purpose Lubricant, Superlube(GM Part No. U.S. 12346241, inCanada 10953474).
WeatherstripConditioning
Weatherstrip Lubricant(GM Part No. U.S. 3634770, inCanada 10953518) orDielectric Silicone Grease(GM Part No. U.S. 12345579, inCanada 992887).
WeatherstripSqueaks
Synthetic Grease withTeflon, Superlube(GM Part No. U.S. 12371287, inCanada 10953437).
8-11
Appearance Care (cont.)
Underbody Maintenance . . . . . . . . . . . . . . . . . . . . . . . . .7-106
Washing Your Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . .7-102
Weatherstrips . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-102
Windshield, Backglass, and Wiper Blades . . . . . . .7-104
Wood Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-101
Ashtray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
Assist Handles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-64
Audio System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-67
Audio Steering Wheel Controls . . . . . . . . . . . . . . . . . .4-105
Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-60
Radio Reception . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-107
Rear Seat (RSA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-103
Theft-Deterrent Feature . . . . . . . . . . . . . . . . . . . . . . . . . .4-105
XM™Satellite Radio Antenna System . . . . . . . . . . .4-108
Automatic Headlamp System . . . . . . . . . . . . . . . . . . . . . . 4-15
Automatic Transmission
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-24
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32
Autoride®. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-42
Axle, Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-50
B
Back-Up Lamps - Ambulance Body
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-55
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-43
Electric Power Management . . . . . . . . . . . . . . . . . . . . . . 4-18
Run-Down Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Belt Routing, Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13
Bench Seat, Split (60/40) . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Bluetooth®. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-67
Brake
Emergencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Pedal and Adjustable Throttle . . . . . . . . . . . . . . . . . . . . 3-30
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-40
Antilock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5
Parking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-38
System Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-33
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-4
Braking in Emergencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-6
Break-In, New Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26
Bucket Seats, Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-56
Back-Up Lamps - Ambulance Body . . . . . . . . . . . . . . . 7-55
Fog Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16
Headlamp Aiming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-52
i - 2
Engine (cont.)
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-28
Drive Belt Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-41
Fan Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-37
Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-17
Overheated Protection Operating Mode . . . . . . . . . . 7-37
Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-34
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29
Engine Oil
Life System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-20
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
Event Data Recorders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-19
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
Extender, Safety Belt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-48
Exterior Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
F
Features
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Filter
Engine Air Cleaner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-22
Finish Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-106
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6
Flashers, Hazard Warning . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-79
Flat Tire, Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-80
Flat Tire, Storing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-94
Fluid
Automatic Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . 7-24
Power Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-38
Windshield Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-39
Fog Lamps
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-39
Front Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-51
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-7
Additives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
California Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
E85 (85% Ethanol) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
Filling a Portable Fuel Container . . . . . . . . . . . . . . . . . . 7-13
Filling the Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-11
Fuels in Foreign Countries . . . . . . . . . . . . . . . . . . . . . . . . 7-10
Gage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-40
Gasoline Octane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
Gasoline Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
Management, Active . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32
Fuel Economy
Driving for Better . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-23
i - 6
Tow/Haul Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-36
Tow/Haul Mode Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-40
Towing
Recreational Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-38
Towing a Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-42
Trailer Recommendations . . . . . . . . . . . . . . . . . . . . . . . . 6-55
Your Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-38
Traction
Magnetic Ride Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Road Sensing Suspension . . . . . . . . . . . . . . . . . . . . . . . . 6-9
StabiliTrak®System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Trailer
Towing Recommendations . . . . . . . . . . . . . . . . . . . . . . . . 6-55
Transmission
Fluid, Automatic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-24
Transmission Operation, Automatic . . . . . . . . . . . . . . . . 3-32
Transportation Program, Courtesy . . . . . . . . . . . . . . . . . 9-11
Trip Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-29
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . .4-5
Turn Signal/Multifunction Lever . . . . . . . . . . . . . . . . . . . . . .4-4
U
Ultrasonic Rear Parking Assist (URPA) . . . . . . . . . . . . 3-46
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . . . . 7-76
Universal Home Remote System . . . . . . . . . . . . . . . . . . 3-55
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-55
V
Vehicle
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-32
Remote Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Running While Parked . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-42
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
Vehicle Customization, DIC . . . . . . . . . . . . . . . . . . . . . . . . 4-57
Vehicle Data Recording and Privacy . . . . . . . . . . . . . . . 9-18
Vehicle Identification
Number (VIN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-107
Service Parts Identification Label . . . . . . . . . . . . . . . .7-107
Vehicle Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-57
Ventilation Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25
Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21
Voice Recognition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-86
i - 15