Page 423 of 480
FusesUsage
9Engine Control Module (ECM),Powertrain Control Module (PCM)
10Climate Control System, InstrumentPanel Cluster Ignition 1
11Airbag System
12Horn
13Windshield Wiper
14Fog Lamps
15Right High-Beam Headlamp
16Left High-Beam Headlamp
17Left Low-Beam Headlamp
18Right Low-Beam Headlamp
19Windshield Washer Pump Motor
20Left Front Cornering Lamp
21Right Front Cornering Lamp
22Air Pump (J-Case)
23Antilock Brake System (ABS)(J-Case)
FusesUsage
24Starter (J-Case)
25Antilock Brake System (ABS)Motor (J-Case)
26Cooling Fan 2 (J-Case)
27Cooling Fan 1 (J-Case)
RelaysUsage
29Powertrain
30Starter
31Cooling Fan 2
32Cooling Fan 3
33Cooling Fan 1
34Air Conditioning Clutch
35Air Injection Reactor (AIR) Solenoid
36Ignition
37Air Pump
6-103
Page 427 of 480

FusesUsage
8Steering Wheel Illumination
9Front Heated/Cooled Seat Module
10Run 2 - Heated/Cooled Seats
11Rear Heated Seat Module
12RPA Module
13PASS-Key®III System
14Unlock/Lock Module
15Magnetic Ride Control
16Not Used
17Sunroof
18Body Control Module (BCM) Dim
19Body Control Module (BCM)
20Run 1-Heated Steering Wheel
21Ignition Switch
22Driver Door Module
23Rear Lumbar
24Electronic Leveling Control Module
25Body Control Module(Left Turn Signal)
26Cigarette Lighter, Auxiliary PowerOutlet
FusesUsage
27Navigation (Optional)
28Retained Accessory Power 1 (RAP)
29Passenger Door Module
30Sensing and Diagnostic Module
31Accessory Power Outlets
32Body Control Module (BCM)(Inadvertent)
33Retained Accessory Power 2 (RAP)
34Canister Vent Solenoid
35Body Control Module (Courtesy)
36Body Control Module(Right Turn Signal)
37Trunk Release
38Amplifier, Radio
39Body Control Module (CHMSL)
40Body Control Module
41Stoplamp (optional)
42OnStar®Module
43Body Modules
44Radio
45Door Unlatch (optional)
6-107
Page 435 of 480

Once a Year
•Starter switch check. SeeOwner Checks and
Services on page 7-6.
•Parking brake and automatic transmission P (Park)
mechanism check. SeeOwner Checks andServices on page 7-6.
•Automatic transmission shiftlock control system
check. SeeOwner Checks and Services onpage 7-6.
•Ignition transmission lock check. SeeOwner
Checks and Services on page 7-6.
•Engine cooling system and pressure cap pressure
check. Radiator and air conditioning condenseroutside cleaning. SeeCooling System on page 6-22.
•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.
•Passenger compartment air filter replacement
(or every 12 months, whichever occurs first). Morefrequent replacement may be required if vehicleis driven regularly under dusty conditions.
First Engine Oil Change After Every
80 000 km/50,000 Miles
•Engine air cleaner filter replacement. SeeEngine
Air Cleaner/Filter on page 6-17.
•Automatic transmission fluid and filter change
(severe service) for vehicles mainly driven in heavycity traffic in hot weather, in hilly or mountainousterrain, when frequently towing a trailer, or used fortaxi, police, or delivery service. SeeAutomaticTransmission Fluid on page 6-19.
7-5
Page 437 of 480

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 3-30.
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 outof P (Park) with normal effort. If the shift levermoves out of P (Park), contact your dealer/retailerfor service.
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
when the shift lever is in P (Park).
•The ignition key should come out only
in LOCK/OFF.
Contact your dealer/retailer if service is required.
7-7
Page 464 of 480

OnStar®
If the vehicle has OnStar and you subscribe to the OnStarservices, please refer to the OnStar Terms andConditions for information on data collection and use.
Navigation System
If your vehicle has a navigation system, use of thesystem may result in the storage of destinations,addresses, telephone numbers, and other tripinformation. Refer to the navigation system operatingmanual for information on stored data and for deletioninstructions.
Radio Frequency
Identification (RFID)
RFID technology is used in some vehicles for functionssuch as tire pressure monitoring and ignition systemsecurity, as well as in connection with conveniencessuch as key fobs for remote door locking/unlocking and
starting, and in-vehicle transmitters for garage dooropeners. RFID technology in GM vehicles does not useor record personal information or link with any otherGM system containing personal information.
Radio Frequency Statement
This vehicle has systems that operate on a radiofrequency that comply with Part 15 of the FederalCommunications Commission (FCC) Rules and withRSS-210/211 of Industry and Science Canada.
Operation is subject to the following two conditions:
1. The device may not cause interference.
2. The device must accept any interference received,including interference that may cause undesiredoperation of the device.
Changes or modifications to any of these systems byother than an authorized service facility could voidauthorization to use this equipment.
8-20
Page 471 of 480

H
Hazard Warning Flashers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3Head Restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2Headlamp Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-100HeadlampsAiming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-40Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-43Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . . . . . 4-29Exterior Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10High Intensity Discharge (HID) Lighting . . . . . . . . . . . 6-43High/Low Beam Changer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6On Reminder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-29Wiper Activated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-29HeatedSteering Wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4Heated Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5HeaterEngine Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26Highbeam On Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-61High-Speed Operation, Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-56Highway Hypnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13Hill and Mountain Roads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14HoodChecking Things Under . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10Release . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3How to Wear Safety Belts Properly . . . . . . . . . . . . . . . . . . . 2-17
I
Ignition Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-23Inadvertent Power Battery Saver . . . . . . . . . . . . . . . . . . . . . . . 4-33Infants and Young Children, Restraints . . . . . . . . . . . . . . . 2-37Inflation - Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-54Instrument PanelBrightness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-31Cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-47Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
J
Jump Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-36
K
Keyless EntryRemote (RKE) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4Keyless Entry System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
7