
E
Electrical System
Add-On Equipment................................... 340
Fuses and Circuit Breakers...................... 341
Fusible Links............................................ 341
Headlamp Wiring..................................... 341
Instrument Panel Fuse Block................... 342
Power Windows and Other Power
Options................................................. 341
Underhood Fuse Block............................. 344
Windshield Wiper Fuses........................... 341
Engine
Air Cleaner/Filter...................................... 280
Alarm and Automatic Shutdown................ 104
Battery..................................................... 304
Change Engine Oil Light.......................... 176
Check and Service Engine Soon Light..... 174
Checks Before Operating......................... 109
Coolant...........................................284, 287
Coolant Heater......................................... 111
Coolant Temperature Gage...................... 173
Diesel Engine Exhaust Brake................... 112
Drive Belt Routing.................................... 355
Exhaust................................................... 131
Exhaust Restrictor.................................... 108
Fan Breakage.......................................... 250Engine (cont.)
Fan Noise................................................ 294
High Idle System..................................... 106
Oil ...................................................268, 272
Oil Life System.......................276, 278, 279
Overheating............................................. 288
Overspeed Warning Light......................... 177
Reduced Power Light............................... 179
Shutdown Warning Light.......................... 177
Speed Limiter.......................................... 164
Starter Over-Crank Protection.................... 97
Starting Your Diesel................................. 100
Starting Your Gasoline............................... 97
Entry Lighting.............................................. 154
Event Data Recorders (EDR)...................... 409
Exhaust Brake Indicator Light...................... 178
Exhaust Restrictor....................................... 108
Extender, Safety Belt..................................... 41
Exterior Lamps............................................ 150
F
Filter
Engine Air Cleaner................................... 280
Filter Minder Gage...................................... 182
Finish Damage............................................ 338
Fixed Mast Antenna.................................... 204
421

Flashers, Hazard Warning........................... 142
Flat Tire...................................................... 330
Fluid
Automatic Transmission............................ 282
Manual Transmission................................ 283
Power Steering........................................ 295
Windshield Washer.................................. 296
Four-Wheel Drive...............................119, 312
Front Axle................................................... 313
Front Wheel Bearings with Oil-Filled Hubs ... 319
Fuel............................................................ 251
Additives.................................................. 252
Diesel Engine Fuel................................... 253
Filling a Portable Fuel Container.............. 266
Filling Your Tank...................................... 264
Filter........................................................ 317
Filter Replacement................................... 263
Fuels in Foreign Countries....................... 264
Gage....................................................... 181
Gasoline Octane...................................... 251
Gasoline Specifications............................ 251
Primary Filter and Water Separator.......... 317
Running Out of Fuel................................ 262
Secondary Filter and Water Separator/
Heater.................................................. 318
Very Cold Weather Operation................... 256
Water in Fuel........................................... 256Fuel (cont.)
Water in Warning Light............................ 182
What Fuel to Use.................................... 253
Fuses
Fuses and Circuit Breakers...................... 341
Instrument Panel Fuse Block................... 342
Underhood Fuse Block............................. 344
Windshield Wiper..................................... 341
G
Gage
Air Pressure............................................. 183
Check Gages Warning Light..................... 180
Engine Coolant Temperature.................... 173
Filter Minder............................................ 182
Fuel......................................................... 181
Hourmeter................................................ 183
Oil Pressure............................................. 175
Speedometer........................................... 163
Tachometer.............................................. 163
Transmission Temperature........................ 178
Voltmeter Gage........................................ 168
Gasoline
Octane..................................................... 251
Specifications........................................... 251
Gasoline Engine, Starting.............................. 97
GM Mobility Reimbursement Program.......... 407
422

H
Hazard Warning Flashers............................ 142
Headlamp Wiring......................................... 341
Headlamps
Bulb Replacement.................................... 315
Daytime Running Lamps.......................... 151
High/Low Beam Changer......................... 144
On Reminder........................................... 150
Heater......................................................... 157
High Idle System......................................... 106
Highbeam On Light..................................... 179
Highway Hypnosis....................................... 229
Hill and Mountain Roads............................. 230
Hood
Checking Things Under............................ 266
Latches.................................................... 267
Horn............................................................ 142
Hourmeter Gage.......................................... 183
How to Use This Manual................................ 4
How to Wear Safety Belts Properly............... 26
Hydraulic Brake Systems............................. 211
I
Ignition Positions........................................... 96
Infants and Young Children, Restraints .......... 45
Inflation - Tire Pressure............................... 322
Instrument Panel
Overview.................................................. 140
Switchbank.............................................. 154
Instrument Panel (I/P)
Brightness................................................ 152
Cluster..................................................... 162
J
Jump Starting.............................................. 305
K
Keyless Entry System................................... 87
Keys............................................................. 86
423

Other Service Items (cont.)
Primary Fuel Filter and Water
Separator............................................. 317
Secondary Fuel Filter and Water
Separator/Heater................................... 318
Other Warning Devices................................ 142
Outlet Adjustment........................................ 160
Outlet(s), Accessory Power.......................... 156
Outside
Convex Mirrors........................................ 134
Heated Mirrors......................................... 134
Manual Mirrors......................................... 133
Power Mirrors.......................................... 133
Overspeed Warning Light............................ 177
Owners, Canadian.......................................... 3
P
Paint, Damage............................................ 338
Parking....................................................... 125
Brake..............................................125, 126
Brake Burnish Procedure......................... 128
Over Things That Burn............................ 130
Part A - Scheduled Maintenance Services.... 362
Part B - Owner Checks and Services........... 391
Part C - Recommended Fluids and
Lubricants................................................ 397Part D - Maintenance Record...................... 400
Passing....................................................... 220
Power
Accessory Outlet(s).................................. 156
Door Locks................................................ 92
Electrical System..................................... 341
Reduced Engine Light.............................. 179
Steering Fluid.......................................... 295
Windows.................................................... 94
Power Take-Off (PTO)................................. 118
Q
Questions and Answers About Safety Belts ... 25
R
Radios........................................................ 184
AM-FM Radio.......................................... 186
Care of Your Cassette Tape Player.......... 202
Care of Your CD Player........................... 204
Care of Your CDs.................................... 203
Radio with Cassette................................. 189
Radio with CD......................................... 195
Setting the Time...................................... 185
Theft-Deterrent......................................... 201
Understanding Reception ......................... 201
426