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2003 C4C042
GMC 2003 C4C042 User Manual
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2-5
Keys
CAUTION:
Leaving childr
en in a vehicle with the ignition
key is dangerous for many r
easons. A child or
others could be badly injured or even killed.
They could operate the power windows or other
controls or even make the vehicle move. Don’t
leave the keys in a vehicle with children.
79
81
Table of Contents
How to Use this Manual
4
Safety Warnings and Symbols
4
Vehicle Damage Warnings
5
Model Reference
7
Section 1 Seats and Restraint Systems
8
How to Wear Safety Belts Properly
20
Driver Position
20
Lap-Shoulder Belt
20
Safety Belt Use During Pregnancy
28
Right Front Passenger Position
29
Airbag System
29
Servicing Your Air Bag-Equipped Vehicle
41
Center Passenger Position
43
Rear Seat Passengers
44
Infants and Young Children
48
Top Strap
57
Older Children
71
Safety Belt Extender
74
Section 2 Features and Controls
76
Manual Windows
78
Power Windows - if Equipped
78
Door Locks
82
Power Door Locks - if Equipped
83
Operation
84
Matching Transmitter(S) to Your Vehicle
85
Battery Replacement
85
Ignition Positions
90
Starting Your Engine
92
Starting the Diesel Engine
94
Stopping the Diesel Engine
94
To Use the Engine Coolant Heater
104
Diesel Engine Exhaust Brake
105
Air Suspension (if Equipped)
108
Automatic Transmission Operation
109
Manual Transmission Operation
111
Two-Speed Rear Axle
115
Parking over Things that Burn
120
Engine Exhaust
120
Turn Signal/Multifunction Lever
123
Windshield Wipers
125
Windshield Washer
126
Cruise Control (Option)
126
Trailer Brake Hand Control Valve
132
Exterior Lamps
132
Daytime Running Lamps
133
Interior Lamps
135
Dome Lamps
135
Illuminated Entry
136
Outside Rear View Mirrors
136
Storage Compartments
138
Sun Visors
140
Air Connections
142
Electrical Connections
142
Instrument Panel Cluster
145
Speedometer and Odometer
146
Warning Lights, Gages and Indicators
148
Safety Belt Reminder Light
149
Airbag Readiness Light
150
Service Transmission Warning Light
154
Brake System Warning Light
155
Anti-Lock Brake System Warning Light
158
Trailer Anti-Lock Brake System Warning Light
159
Engine Coolant Temperature Gage
159
Low Coolant Warning Light
160
Oil Pressure Gage
162
Low Oil Level Light
163
Engine Overspeed Warning Light
164
Transmission Temperature Gage
165
Engine Shutdown Warning Light
165
Exhaust Brake Indicator Light
166
Daytime Running Lamps (DRL) Indicator Light
167
Fuel Gage
168
Air Filter Restriction Indicator (Option)
169
Section 3 Comfort Controls and Audio Systems
170
Comfort Controls
171
Heater Controls
171
Air Conditioning (if Equipped)
173
Defogging and Defrosting
174
Ventilation System
175
Audio Systems
176
Setting the Time
176
Theft-Deterrent Feature
190
Understanding Radio Reception
190
Tips about Your Audio System
191
Care of Your Cassette Tape Player
192
Care of Your Compact Discs
193
Fixed Mast Antenna
193
Chime Level Adjustment
193
Section 4 Your Driving and the Road
194
Defensive Driving
195
Drunken Driving
196
Control of a Vehicle
199
Hydraulic Brake Systems
200
Anti-Lock Brake System (ABS)
201
Braking in Emergencies
202
Power Steering
204
Steering Tips
204
Steering in Emergencies
205
Off-Road Recovery
206
Loss of Control
208
Driving at Night
209
Driving in Rain and on Wet Roads
211
Driving through Deep Standing Water
213
Driving through Flowing Water
213
Some Other Rainy Weather Tips
213
City Driving
214
Freeway Driving
215
Highway Hypnosis
216
Hill and Mountain Roads
217
Winter Driving
219
Driving on Snow or Ice
220
If You're Caught in a Blizzard
221
Loading Your Vehicle
223
Section 5 Problems on the Road
226
Hazard Warning Flashers
227
Other Warning Devices
228
Jump Starting
228
Towing Your Vehicle
235
Engine Overheating
242
If Steam Is Coming from Your Engine
243
If no Steam Is Coming from Your Engine
244
Cooling System
245
Engine Fan Noise
251
If a Tire Goes Flat
251
Changing a Flat Tire
252
Rocking Your Vehicle to Get It out
253
Section 6 Service and Appearance Care
255
Doing Your Own Service Work
256
Two Safety Cautions about Engine Fan Breakage
257
Gasoline Octane
258
Gasoline Specifications
258
Diesel Fuel Requirements and Fuel System
259
Diesel Engine Fuel
259
What Fuel to Use
260
Very Cold Weather Operation
261
Water in Fuel
262
Fuels in Foreign Countries
269
Filling Your Tank
269
Filling a Portable Fuel Container
271
Checking Things under the Hood
272
Hood Latches
272
Tampering with Noise Control System Prohibited
274
Checking Engine Oil
276
Engine Oil Additives
279
Engine Air Cleaner/Filter
284
Automatic Transmission Fluid
286
Manual Transmission Fluid
286
How to Add Fluid
287
Rear Axle
288
Engine Coolant
289
What to Use
290
Checking Coolant
291
How to Check Power Steering Fluid
293
Windshield Washer Fluid
294
Adding Washer Fluid
294
Brake Fluid
295
Brake Pedal Travel
299
Brake Adjustment
299
Replacing Brake System Parts
299
Air Dryer
300
Clutch Pedal Free Travel
301
Chassis Lubrication
301
Vehicle Storage
306
Windshield Wiper Blade Replacement
307
Other Service Items
308
Front Wheel Bearings with Oil-Filled Hubs
311
Air Conditioning System
311
Inflation -- Tire Pressure
313
Dual Tire Operation
314
Wheel Alignment and Tire Balance
316
Tightening the Wheel Nuts
316
Wheel Replacement
320
Appearance Care
321
Cleaning the Inside of Your Vehicle
322
Using Cleaner on Fabric
322
Special Fabric Cleaning Problems
323
Cleaning Vinyl
323
Cleaning Interior Plastic Components
323
Care of Safety Belts
324
Cleaning Glass Surfaces
324
Cleaning the Outside of Your Vehicle
325
Washing Your Vehicle
325
Windshield and Wiper Blades
325
Cleaning Exterior Lamps/Lenses
326
Finish Care
326
Cleaning Tires
327
Sheet Metal Damage
327
Finish Damage
328
Underbody Maintenance
328
Vehicle Identification Number (VIN)
330
Engine Identification
330
Service Parts Identification Label
331
Electrical System
331
Add-On Electrical Equipment
331
Headlamp Wiring
332
Windshield Wiper Fuses
332
Fusible Links
332
Power Windows and Other Power Options
333
Fuses and Circuit Breakers
333
Replacement Bulbs
340
Cooling System Capacity
341
Fuel Tank Capacity
342
Normal Maintenance Replacement Parts
344
Section 7 Maintenance Schedule
347
Your Vehicle and the Environment
348
Maintenance Requirements
348
How this Section Is Organized
349
Using Your Maintenance Schedule
350
Scheduled Maintenance Supplements
350
Scheduled Maintenance
351
At each Fuel Fill
367
At Least Twice a Year
368
Maintenance Record
376
Section 8 Customer Assistance Information
381
Customer Satisfaction Procedure
382
Customer Assistance for Text Telephone (TTY) Users
382
Customer Assistance Offices
383
All Overseas Locations
383
Roadside Assistance Program
384
Reporting Safety Defects to the United States Government
384
Reporting Safety Defects to the Canadian Government
385
Reporting Safety Defects to General Motors
385
Service Publications Ordering Information
386
4
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GMC 2003 C4C042 Specifications
General
Brand
GMC
Model
2003 C4C042
Category
Trucks
Language
English
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