Page 401 of 460
Fuses Usage
LT PARK Driver’s Side Parking Lamp
RT PARK Passenger’s Side Parking Lamp
FAN 1 Cooling Fan 1
AIRBAG/
DISPLAYAirbag, Display
TRANS Transaxle
ECM IGN Engine Control Module, Ignition
RT T/SIG Passenger’s Side Turn Signal
LT T/SIG Driver’s Side Turn Signal
DRL 1 Daytime Running Lamps 1
HORN Horn
PWR DROP/
CRNKPower Drop, Crank
STRG WHL Steering Wheel
ECM/TCMEngine Control Module,
Transaxle Control Module
RVC SEN Regulated Voltage Control Sensor
RADIO Audio System
FOG LAMPS Fog LampsFuses Usage
SPARE Spare
BATT 4 Battery 4
ONSTAR OnStar
®
STRTR Starter
ABS MTR1 Anti-lock Brake System Motor 1
BATT 3 Battery 3
WSW Windshield Wiper
HTD MIR Heated Mirror
BATT 1 Battery 1
ABS MTR2 Anti-lock Brake System Motor 2
AIR PUMP Air Pump
BATT 2 Battery 2
INT LIGHTS Interior Lamps
INT LTS/PNL
DIMInterior Lamps, Instrument Panel
Dimmer
A/C CMPRSR Air Conditioning Compressor
AIR SOL AIR (Air Injection Reactor) Solenoid
AUX PWR Auxiliary Power
401
Page 402 of 460
Fuses Usage
BCM Body Control Module
CHMSL/
BCK-UPCenter High-Mounted Stoplamp,
Back-up Lamps
DISPLAY Display
ETC/ECMElectronic Throttle Control, Engine
Control Module
INJ 1 Injector 1
EMISSIONS 1 Emissions 1
INJ 2 Injector 2
EMISSIONS 2 Emissions 2
RT SPOT Right Spot
LT SPOT Left Spot
HDLP MDL Headlamp Module
DRL 2 Daytime Running Lamps 2
FAN 2 Cooling Fan 2
FUEL/PUMP Fuel PumpFuses Usage
WPR Wiper
LT LO BEAM Driver’s Side Low-Beam
RT LO BEAM Passenger’s Side Low-Beam
LT HI BEAM Driver’s Side High-Beam
RT HI BEAM Passenger’s Side High-Beam
Relay Usage
STRTR Starter
REAR DEFOG Rear Defogger
FAN 1 Cooling Fan 1
FAN 2 Cooling Fan 2
A/C CMPRSR Air Conditioning Compressor
FAN 3 Cooling Fan 3
FUEL/PUMP Fuel Pump
PWR/TRN Powertrain
402
Page 417 of 460

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 transmission in
NEUTRAL (N), slowly remove foot pressure
from the regular brake pedal. Do this until the
vehicle is held by the parking brake only.
To check the PARK (P) mechanism’s holding
ability: With the engine running, shift to
PARK (P). Then release the parking brake
followed by the regular brake.
Contact your dealer/retailer if service is required.
Underbody Flushing Service
At least every spring, use plain water to ush any
corrosive materials from the underbody. Take care
to clean thoroughly any areas where mud and other
debris can collect.
Recommended Fluids and
Lubricants
Fluids and lubricants identi ed below by name,
part number, or speci cation can be obtained from
your dealer/retailer.
Usage Fluid/Lubricant
Engine OilEngine oil which meets GM
Standard GM6094M and displays
the American Petroleum Institute
Certi ed for Gasoline Engines
starburst symbol. To determine the
proper viscosity for your vehicle’s
engine, seeEngine Oil on page 310.
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. SeeEngine Coolant on
page 320.
Hydraulic Brake
SystemDelco
®Supreme 11 Brake Fluid or
equivalent DOT-3 brake uid.
417
Page 449 of 460

Door
Automatic Door Lock................................ 100
Locks......................................................... 98
Power Door Locks..................................... 99
Programmable Automatic Door Unlock..... 100
Rear Door Security Locks........................ 100
Driver
Position, Safety Belt................................... 24
Driver Information Center (DIC)................... 190
DIC Operation and Displays..................... 191
DIC Vehicle Customization....................... 208
DIC Warnings and Messages................... 199
Driving
At Night................................................... 263
City.......................................................... 267
Defensive................................................. 248
Drunken................................................... 249
Freeway................................................... 268
Hill and Mountain Roads.......................... 270
In Rain and on Wet Roads...................... 264
Rocking Your Vehicle to Get it Out.......... 277
Winter...................................................... 272E
EDR ............................................................ 443
Electrical System
Add-On Equipment................................... 397
Fuses and Circuit Breakers...................... 398
Headlamp Wiring..................................... 397
Instrument Panel Fuse Block................... 398
Power Windows and Other
Power Options...................................... 398
Underhood Fuse Block............................. 400
Windshield Wiper Fuses........................... 397
Engine
Air Cleaner/Filter...................................... 316
Check and Service Engine Soon Light..... 185
Coolant.................................................... 320
Coolant Heater......................................... 115
Coolant Temperature Gage...................... 184
Coolant Temperature Warning Light.......... 183
Drive Belt Routing.................................... 420
Engine Compartment Overview................ 306
Exhaust................................................... 124
449