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1993 GMC Suburban Owner's Manual - Page 156

1993 GMC Suburban Manual

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Rear Air Condifioningr and.Rear Heater Control Control Rear Front K2479 If your vehicle has a rear air conditioning and rear heater system combination,controlsareprovided to regulatethetemperature,locationand speed of theairflow. To adjust the air temperature, turn the temperature knob on the right side of the control panel. For warmer air turn the knob to the right (red) side, and to the left(blue)side. forcoolerair,turntheknob To regulate the air flow location, adjust the center knob on the control panel. Turntheknobtowardtheleftforfloorventairflowortowardtherightfor headlinerventairflow.Generally,theupperventsareusedforair conditioningandthefloorventsforheating:however,thecontrolknobmaybe set to allow any desired blend of air flow. To adjust the air flow speed, turn the fan control knob controlpanel to thedesiredblowersetting. on theleftsideofthe To activatetherearcontrol,movethefanknobonthefrontcontrol to REAR CNTL. This will allowsecondseatpassengers to adjustthecontrolsasthey desire. 3-1 0

Section	Page
Table of Contents	7
How To Use This Manual	9
Seats & Safety Belts	15
Seats and Seat Controls	16
Front Seats	16
Head Restraints	19
Rear Seats	22
Safety Belts: They’re For Everyone	27
Why Safety Belts Work	29
Questions Many People Ask About Safety Belts	32
How To Wear Safety Belts Properly	34
Driver Position	34
Lap-Shoulder Belt	35
Passenger Positions	41
Children	48
Smaller Children and Babies	48
Child Restraints	50
Larger Children	58
Safety Belt Extender	60
Checking Your Restraint Systems	61
Replacing Safety Belts After a Crash	61
Features and Controls	65
Keys	67
Your Doors and How They Work	69
Side Doors	69
Door Locks	70
Tailgate, Tailgate Glass and Rear Doors	71
Panel Doors	73
Theft	74
New Vehicle "Break-In"	75
Ignition Switch	75
Starting Your Engine	78
Driving Through Water	79
Automatic Transmission	81
Five-Speed Manual Transmission	84
Locking Rear Axle	86
Parking Brake	87
Parking Over Things That Burn	91
Engine Exhaust	92
Running Your Engine While You’re Parked	93
Four-Wheel Drive	94
Transfer Case	94
Front Axle Locking Feature	96
Windows	97
Horn	99
Tilt Wheel	99
Multifunction Lever	100
Turn Signal and and Change Indicator	101
Headlight High-Low Beam	102
Windshield Wipers	103
Windshield Washer	104
Cruise Control	105
Headlights and Vehicle Lighting	110
Mirrors	115
Sun Visors	117
Rear Window Wiper and Washer	118
Cigarette Lighter/Ashtrays	119
Storage Compartments	119
Instrument Cluster	126
Warning lights, Gages and Indicators	132
Gages	140
Luggage Carrier	144
Trailer Wiring Harness	146
Comfort Controls & Audio Systems	147
Comfort Controls	148
Flow Through Ventilation System	148
Heating System	150
Electronic Heating/Air Conditioning System	151
Rear Air Conditioning and Heating Systems (Wagon Models)	154
Rear Window Defogger	157
Audio Systems	158
FM Stereo	158
AM	158
AM Stereo	159
How to Operate Your AM ETR Radio	159
How to Operate Your AM-FM Stereo Audio System andCassette Player	160
How to Operate Your AM-FM Stereo Audio System and Cassette Player with Graphic Equalizer	163
Care of Your Cassette Tape Player	167
Fixed Mast Antenna	167
Your Driving and the Road	169
Road Signs	170
Defensive Driving	177
Drunken Driving	178
Control of a Vehicle	181
Braking	181
Steering	186
Steering in Emergencies	187
Passing	189
Loss of Control	191
Driving Guidelines (Utility Models)	192
Off-Road Driving With Your Four-wheel Drive Vehicle	192
Driving at Night	203
Driving in the Rain	205
Driving in Fog, Mist and Haze	208
City Driving	210
Freeway Driving	211
Driving a Long Distance	212
Hill and Mountain Roads	215
Parking on Hills	217
Winter Driving	221
Towing a Trailer	224
Power Winches	232
Problems on the Road	233
Hazard Warning Flashers	234
Other Warning Devices	235
Jump Starting	235
Towing Your Vehicle	239
Engine Overheating	240
Engine Fan Noise	248
If a Tire Goes Flat	248
Changing a Flat Tire	248
Storing the Jack	262
You’re Stuck: In Sand, Mud, Ice or Snow	263
Service and Appearance Care	267
Service	269
Fuel	270
Checking Things Under the Hood	274
Hood Release	274
Engine Oil	275
Air Cleaner	282
Automatic Transmission Fluid	283
Manual Transmission Fluid	286
Hydraulic Clutch	287
Transfer Case	289
Front Axle	290
Rear Axle	290
Engine Coolant	291
Power Steering Fluid	295
Windshield Washer Fluid	297
Brake Master Cylinder	298
Replacing Brake System Parts	299
Other Maintenance Items	300
Lubrication	301
Electrical System	303
Battery	303
Bulb Replacement	303
Fuses and Circuit Breakers	309
Exhaust System	311
Loading Your Vehicle	312
Tires	314
Inflation-Tire Pressure	315
Tire Inspection and Rotation	318
When It’s Time for New Tires	319
Buying New Tires	319
Uniform Tire Quality Grading	320
Wheel Alignment and Tire Balance	321
Wheel Replacement	321
Tire Chains	322
Appearance Care	323
Cleaning the Inside Of Your Vehicle	324
Cleaning the Outside Of Your Vehicle	327
Appearance Care Materials	330
Vehicle Identification Number	331
Service Parts Identification Label	333
Specification Charts	334
Schedules Maintenance Services	339
A Word About Maintenance	341
Your Vehicle and the Environment	341
Recording Maintenance Services	341
Scheduled Maintenance Services	342
Selecting The Proper Maintenance Services	342
GasolineEngines with Light Duty Emissions - Maintenance Schedule I	344
GasolineEngines with Light Duty Emissions - Maintenance Schedule II	346
GasolineEngines with Heavy Duty Emissions - Maintenance Schedule I	348
Gasoline Engines with Heavy Duty Emissions - Maintenance Schedule II	350
Explanation of Scheduled Maintenance Services	356
Owner Checks and Services	360
Recommended Fluids & Lubricants	363
Maintenance Record	365
Customer Assistance Information	369
Customer Satisfaction Procedure	370
Customer Assistance for Hearing Speech Impaired	371
GM Participation in Better Business Bureau Mediationl Arbitration Program	371
Reporting Safety Defects	372
Roadside Assistance	373
Service Publications	374

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