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What to Use
SeeRecommended Fluids and Lubricants on page 6-12
to determine what kind of lubricant to use.
Bulb Replacement
For the proper types of bulbs to use, seeReplacement
Bulbs on page 5-50.
For any bulb changing procedure not listed in this
section, contact your dealer’s service department.
Halogen Bulbs
{CAUTION:
Halogen bulbs have pressurized gas inside and
can burst if you drop or scratch the bulb. You
or others could be injured. Be sure to read and
follow the instructions on the bulb package.
Headlamps
Composite Headlamp System
A. Low-Beam Headlamp B. High-Beam Headlamp
To replace the headlamp bulbs, do the following:
1. Open the hood. SeeHood Release on page 5-11
for more information.
2. Reach in and access the bulb sockets from inside
the engine compartment.
5-46
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Replacement Bulbs
Exterior Lamp Bulb Number
Center High-Mounted
Stoplamp (CHMSL)912
Headlamps
Composite High-Beam 9005
Composite Low-Beam 9006
Sealed-Beam H6054
Parking/Front Turn Signal/Daytime
Running Lamp (DRL)3757A
Parking Lamp (Inboard) 3157A
Stoplamp, Rear Turn Signal,
Taillamp, and Back-Up Lamp3057
For replacement bulbs not listed here, contact your
dealer.
Windshield Wiper Blade
Replacement
Windshield wiper blades should be inspected for wear
and cracking. SeeScheduled Maintenance on page 6-4
for more information.
Replacement blades come in different types and are
removed in different ways. For proper type and length,
seeNormal Maintenance Replacement Parts on
page 6-14.
Allowing the wiper blade arm to touch the windshield
when no wiper blade is installed could damage the
windshield. Any damage that occurs would not
be covered by your warranty. Do not allow the wiper
blade arm to touch the windshield.
1. To remove the old wiper blades, lift the wiper arm
until it locks into a vertical position.
5-50
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Fuses Usage
HORN Horn
TBC Truck Body Controller
IGN TRNSD Ignition Transducers
RDO Radio
ONSTAR OnStar
®
CNSTR VENT Fuel Canister Vent Solenoid
PCM B Powertrain Control Module (PCM) B
Relays Usage
BEAM SEL Beam Selection
IGN 3 HVACIgnition 3, Climate Control,
Climate Control Head Fuse
RAPRetained Accessory Power
(Power Window Fuse,
Wiper/Washer Switch Fuse)
PRK/LAMPFront Parking Lamp Fuse,
Rear Parking Lamps
HDLP Headlamps
Relays Usage
FOG/LAMP Fog Lamps (If Equipped)
FUEL/PUMP Fuel Pump, Fuel Pump Fuse
A/C CMPRSR Air Conditioning Compressor
RUN/CRNKRun/Crank, Airbag System Fuse,
Cruise Control Fuse, Ignition Fuse,
Back-Up Lamps, ABS Fuse, ERLS,
Front Axle, PCM-1, Injectors Fuse
PWR/TRNPowertrain, Electronic Throttle
Control Fuse, Oxygen Sensor Fuse
HORN Horn
WPR 2 Wiper 2 (High/Low)
WPR Wipers (On/Off)
STRTR Starter Relay (PCM Relay)
Miscellaneous Usage
WPR Diode — Wiper
A/C CLTCH Diode — Air Conditioning, Clutch
MEGA FUSE Mega Fuse
5-102
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Fuses
Engine Compartment Fuse Block...................5-99
Fuses and Circuit Breakers...........................5-99
Windshield Wiper.........................................5-98
G
Gage
Engine Coolant Temperature.........................3-30
Fuel..........................................................3-35
Speedometer..............................................3-24
Tachometer.................................................3-24
Gasoline
Octane........................................................ 5-5
Speci cations............................................... 5-5
Glove Box.....................................................2-41
GM Mobility Reimbursement Program.................. 7-5
H
Hazard Warning Flashers................................... 3-6
Head Restraints............................................... 1-7
Headlamps....................................................5-46
Automatic Headlamp System.........................3-15
Bulb Replacement.......................................5-46
Daytime Running Lamps...............................3-14
Flash-to-Pass............................................... 3-9
Front Turn Signal, Sidemarker and Daytime
Running Lamps........................................5-48
Halogen Bulbs............................................5-46
High/Low Beam Changer................................ 3-8
On Reminder..............................................3-14
Heated Seats................................................... 1-5
Heater...........................................................3-19
Highbeam On Light.........................................3-34
Highway Hypnosis...........................................4-34
Hill and Mountain Roads..................................4-34
Hood
Checking Things Under................................5-10
Release.....................................................5-11
Horn............................................................... 3-6
How to Use This Manual...................................... ii
How to Wear Safety Belts Properly...................1-17
Hydraulic Clutch.............................................5-24
6
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