
Exhaust Restrictor (Diesel Engines)...................2-18
Exhaust System Check....................................6-27
Express-Down Feature.....................................2-10
Extender, Safety Belt.......................................1-26
Exterior Lamps...............................................3-13
F
Filter
Engine Air Cleaner......................................5-30
Filter Minder Gage..........................................3-44
Finding a Station............................3-46, 3-49, 3-53
Finish Care....................................................5-80
Finish Damage...............................................5-83
Fixed Mast Antenna........................................3-59
Flat Tire........................................................5-75
Flat Tire, Changing.........................................5-76
Fluid
Automatic Transmission................................5-31
Manual Transmission....................................5-32
Power Steering...........................................5-43
Windshield Washer......................................5-44
Fluid Leaks Check..........................................6-28
FM ...............................................................3-57
Folding the Rear Seat (Crew Cab).................... 1-7
Footnotes......................................................6-19
Fore-and-Aft Adjustment.................................... 1-4Four-Wheel and Six-Wheel Drum Brakes
(Air Only)...................................................5-49
Four-Wheel Disc Brakes
(Hydraulic Only)..........................................5-49
Front Wheel Bearings with Oil-Filled Hubs..........5-67
Fuel............................................................... 5-6
Additives...................................................... 5-7
Diesel Engine Fuel........................................ 5-8
Filling a Portable Fuel Container....................5-18
Filling Your Tank..........................................5-17
Filter..........................................................5-64
Filter Replacement.......................................5-15
Fuels in Foreign Countries............................5-16
Gage.........................................................3-42
Gasoline Octane........................................... 5-6
Gasoline Specifications.................................. 5-6
Primary Filter and Water Separator................5-65
Running Out of Fuel....................................5-15
Secondary Filter and Water Separator/Heater....5-66
Very Cold Weather Operation........................5-10
Water in Fuel..............................................5-10
Water in Warning Light.................................3-43
What Fuel to Use.......................................... 5-8
Fuel Filter (Diesel Engines)..............................5-65
Fuel Filter (Gasoline Engines)...........................5-64
Fuel Priming..................................................5-13
Fuses
Fuses and Circuit Breakers...........................5-87
Windshield Wiper.........................................5-87
6

Light (cont.)
Differential Lock Indicator..............................3-40
Engine Overspeed Warning...........................3-39
Engine Shutdown Warning............................3-39
Exhaust Brake Indicator................................3-40
Low Coolant Warning...................................3-36
Low Oil Level.............................................3-38
Low Washer Fluid Warning...........................3-42
Malfunction Indicator....................................3-37
Parking Brake Warning.................................3-34
Range Inhibit Warning Indicator.....................3-31
Reduced Engine Power................................3-41
Safety Belt Reminder...................................3-26
Safety Belt Reminder Tone...........................3-26
Service Transmission Warning.......................3-31
Trailer Anti-Lock Brake System Warning..........3-35
Wait to Start Indicator..................................3-36
Water in Fuel Warning.................................3-43
Loading Your Vehicle.......................................4-33
Lockout Feature..............................................2-10
Locks
Door........................................................... 2-6
Power Door.................................................. 2-7
Loss of Control...............................................4-16
Low Coolant Warning Light..............................3-36
Low Washer Fluid Warning Light.......................3-42
Lumbar Adjustments.......................................... 1-3M
Maintenance, Normal Replacement Parts..........5-100
Maintenance Schedule
At Each Fuel Fill.........................................6-24
At Least Once a Year..................................6-28
At Least Twice a Year..................................6-25
How This Section is Organized....................... 6-3
Introduction.................................................. 6-2
Maintenance Requirements............................. 6-2
Part A - Scheduled Maintenance Services......... 6-4
Part B - Owner Checks and Services.............6-24
Part C - Recommended Fluids and
Lubricants...............................................6-29
Part D - Maintenance Record........................6-31
Scheduled Maintenance................................. 6-5
Scheduled Maintenance Supplements............... 6-4
Using Your................................................... 6-4
Your Vehicle and the Environment................... 6-2
Malfunction Indicator Light................................3-37
Manual Seats................................................... 1-2
Manual Transmission.......................2-13, 2-19, 2-26
Fluid..........................................................5-32
Operation...................................................2-30
Manual Windows.............................................. 2-8
Marker Lamp Defeat Switch.............................3-14
9

United States................................................... 7-4
Used Replacement Wheels..............................5-75
Using Cleaner on Fabric..................................5-78
Using the Clutch.............................................2-30
Using the Tow Hooks......................................4-30
V
Vehicle
Control........................................................ 4-5
Damage Warnings........................................... iv
Loading......................................................4-33
Symbols......................................................... iv
Vehicle Data Collection and Event
Data Records............................................... 7-5
Vehicle Identification
Number (VIN).............................................5-85
Service Parts Identification Label...................5-86
Service Statement.......................................5-85
Vehicle Storage..............................................5-55
Ventilation Adjustment......................................3-22
Visors...........................................................2-10
Voltmeter Gage..............................................3-30
W
Wait to Start Indicator......................................3-36
Warning Lights, Gages and Indicators................3-23Warnings
Hazard Warning Flashers............................... 3-5
Other Warning Devices.................................. 3-6
Safety and Symbols......................................... iii
Vehicle Damage.............................................. iv
Washer Fluid, Low Warning Light......................3-42
Washing Your Vehicle......................................5-80
Water
Fuel..........................................................5-10
Water in Fuel Warning Light.............................3-43
Weatherstrip Lubrication...................................6-25
What Fuel to Use............................................. 5-8
What Fuel to Use in Canada.............................. 5-9
What Kind of Engine Oil to Use................5-22, 5-28
What to Do with Used Oil........................5-25, 5-29
What to Use..................................5-33, 5-44, 5-61
Wheels
Alignment and Tire Balance..........................5-70
Front Bearings with Oil-Filled Hubs................5-67
Replacement...............................................5-74
Rims.........................................................5-69
Tightening the Wheel Nuts............................5-71
When to Add Engine Oil..........................5-21, 5-27
When to Change Engine Oil.............................5-29
When to Change Engine Oil
(GM Oil Life System)...................................5-24
When to Check..............................5-31, 5-32, 5-69
15

When to Check and Change Fluid.....................5-61
When to Check and Change Lubricant...............5-61
When to Inspect the Engine Air
Cleaner/Filter..............................................5-30
Where to Put the Restraint.......................1-35, 1-37
Why Safety Belts Work..................................... 1-9
Windows......................................................... 2-8
Manual........................................................ 2-8
Power......................................................... 2-9
Sliding Rear................................................2-10
Windshield and Wiper Blades...........................5-81
Windshield Washer........................................... 3-9
Fluid..........................................................5-44
Windshield Washer Fluid Level Check................6-24Windshield Wiper
Blade Replacement......................................5-63
Fuses........................................................5-87
Windshield Wipers............................................ 3-8
Windshield Wipers and Washers Check.............6-27
Winter Driving................................................4-25
Wiper Blade Check.........................................6-25
Y
Your Vehicle and the Environment....................... 6-2
Z
ZF Six-Speed Transmission..............................2-31
16