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1993 Chevrolet Astro Owner's Manual - Page 285

1993 Chevrolet Astro Manual

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If youeverreplaceyourtireswiththosenothavingaTPCSpecnumber, makesuretheyarethesamesize,loadrange,speedratingandconstruction type(bias,bias-belted or radial)asyouroriginaltires. A Mixingtirescouldcauseyou to losecontrolwhiledriving. Ifyoumix tires of different sizes or types(likeradialandbias-beltedtires)the vehicle maynothandleproperly,andyoucouldhaveacrash.Be the and on sametype all wheels. sure to use size tires It wasdevelopedfor I It's all right to drive with your compact spare, though. limited use on your vehicle. Uniform Tire Quality Grading Thefollowinginformationrelates to thesystemdevelopedbytheUnited StatesNationalHighwayTrafficSafetyAdministrationwhichgradestiresby to treadwear,tractionandtemperatureperformance.(Thisappliesonly vehiclessoldintheUnitedStates.) Treadwear The treadwear grade is a comparative rating based on the wear rate of the tire whentestedundercontrolledconditionsonaspecifiedgovernmenttest (142) course. For example,a tire graded 150 wouldwearoneandahalf timesaswellonthegovernmentcourseasa tire graded 100. Therelative of theiruse, performance of tiresdependsupontheactualconditions however,andmaydepartsignificantlyfromthenormduetovariationsin drivinghabits,servicepracticesanddifferencesinroadcharacteristicsand climate. Traction-A, B, C Thetractiongrades,fromhighest to lowestare: A, B, and C. Theyrepresent the tire's ability to stop on wet pavement as measured under controlled A conditionsonspecifiedgovernmenttestsurfacesofasphaltandconcrete. tire marked C mayhave poor tractionperformance. to thistireisbasedonbraking Warning:Thetractiongradeassigned (straight-ahead)tractiontestsanddoesnotincludecornering(turning)traction. Temperatur+A, B, C Thetemperaturegradesare A (thehighest), B,andC,representingthetire's resistance to the generation ofheat and its ability to dissipate heat when tested under controlled conditions on a specified indoor laboratory test wheel. Sustainedhightemperaturecancausethematerial of the tire to degenerate to sudden tire andreducetirelife,andexcessivetemperaturecanlead 6-49

Section	Page
Table of Contents	5
How to Use this Manual	7
Seats and Safety Belts	13
Seats and Seat Controls	14
Front Seats	14
Rear Seats	23
Safety Belts: They’re For Everyone	24
Why Safety Belts Work	25
Questions People Ask	28
Safety Belt Reminder Light	29
How To Wear Safety Belts Properly	30
Adults	30
Driver Position	30
Lap-Shoulder Belt	31
Safety Belt Use During Pregnancy	37
Right Front Passenger Position	38
Rear Seat Outside Passenger Positions	39
Center Passenger Positions	42
Children	43
Smaller Children and Babies	44
Child Restraints	45
Larger Children	52
Safety Belt Extender	54
Checking Your Restraint Systems	55
Replacing Safety Belts After a Crash	55
Features and Controls	57
Keys	59
Your Doors and How They Work	61
Door Locks	66
Theft	68
New Vehicle Break-In	69
Ignition Switch	69
Starting Your Engine	70
Fuel Regulator	71
Driving Through Deep Standing Water	72
Engine Block Heater	72
Automatic Transmission	73
Locking Rear Axle	76
Parking Brake	76
Shifting Out of P (Park)	77
Parking Over Things That Burn	79
Engine Exhaust	80
Running Your Engine While You’re Parked	81
Windows	82
Horn	84
Tilt Wheel	84
Turn Signal/MuItifunction Lever	85
Turn Signal and Lane Change Indicator	86
Headlight High-Low Beam	87
Windshield Wipers	88
Windshield Washer	89
Rear Window Wiper Washer	90
Cruise Control	91
Lights	96
Mirrors	101
Sun Visors	104
Luggage Carrier	105
Cigarette Lighter/Ashtrays	106
Storage Compartments	107
Instrument Cluster	108
Warning Lights, Gages and Indicators	113
Indicator Lights	120
Trailer Wiring Harness	123
Assist Handles	124
Comfort Controls & Audio Systems	125
Comfort Controls	127
Flow-Through Ventilation System	127
Heating System	129
Heating/Air Conditioning System	130
Rear Heater	131
Rear Air Conditioning	132
Rear Window Defogger	132
Engine Block Heater	133
Audio Systems	133
FM Stereo	134
AM Stereo	134
How to Operate Your ETR@ AM Radio	135
How to Operate Your ETR@AM-FM Stereo Audio System	137
How to Operate Your ETR@ AM-FM Stereo Audio System	139
How to Operate Your ETR@ AM-FM Sterio Audio Cassette System with Equalizer	142
Care of Your Cassette Tape Player	146
How to Operate Your ETR@ AM-FM Sterio Audio 20 Compact Disc System	147
Care of Your Compact Discs	152
Fixed Mast Antenna	153
Your Driving and the Road	155
Road Signs	156
Defensive Driving	162
Drunken Driving	163
Control of a Vehicle	166
Braking	166
Steering	172
Steering Tips	172
Passing	175
Loss of Control	176
Driving at Night	177
Driving in the Rain	182
Driving in Fog, Mist and Haze	182
City Driving	184
Freeway Driving	185
Driving On A Long Trip	189
Parking On Hills	191
Winter Driving	194
Towing a Trailer	197
Problems on the Road	205
Hazard Warning Flashers	206
Other Warning Devices	207
Jump Starting	207
Towing Your Vehicle	211
Engine Overheating	212
Engine Fan Noise	220
When a Tire Goes Flat	220
Changing a Flat Tire	221
Storing the Jack and Tire	234
You’re Stuck: In Sand, Mud, Ice or Snow	236
Service and Appearance Care	237
Service	239
Fuel	240
Checking Things Under the Hood	244
Hood Release	244
Engine Oil	245
Engine Cover	251
Air Cleaner	255
Automatic Transmission Fluid	256
Rear Axle	259
All-Wheel Drive	259
Transfer Case	259
Front Axle	260
Engine Coolant	262
Power Steering Fluid	266
Windshield Washer Fluid	267
Brake Master Cylinder	268
Replacing Brake System Parts	269
Fluid Leak Check	270
Battery	270
Vehicle Storage	270
Bulb Replacement	271
Other Maintenance Items	274
Loading Your Vehicle	278
Tires	280
Appearance Care	288
Vehicle Identification Number	296
Service Parts Identification Label	298
Capacities and Specification Charts	300
Fuses and Circuit Breakers	304
Maintenance	307
A Word About Maintenance	308
YourVehicle and the Environment	308
Scheduled Maintenance Services	309
Selecting The Proper Maintenance Schedule	309
Maintenance Schedule I	310
Maintenance Schedule II	312
Explanation of Scheduled Maintenance Services	314
Owner Checks and Services	317
At Least Once a Month	317
At Least Once a Year	317
Periodic Maintenance Inspections	319
Recommended Fluids & Lubricants	320
Maintenance Record	322
Service Station Checks	323
Customer Assistance Information	325
Customer Satisfaction Procedure	326
Customer Assistance for Hearing/Speech Impaired	327
GM Participation in BetterBusinessBureau Mediatiod Arbitration Program	327
Reporting Safety Defects	328
Roadside Assistance	329
Service Publications	330

Match case Limit results 1 per page

you ever replace your tires with those not having a TPC Spec number,

makesuretheyarethesamesize,loadrange,speedratingandconstruction

type (bias, bias-belted

radial) as your original tires.

Mixingtirescouldcauseyou

lose control while driving.

If you mix

tires

different sizes

types (like radial and bias-belted tires) the

vehicle may not handle properly, and you could have a crash. Be

sure

use

the

same

size

and

type

tires

all wheels.

It’s

all right to drive with your compact spare, though.

wasdevelopedfor

limited use on your vehicle.

Uniform

Tire

Quality

Grading

Thefollowinginformationrelates

the system developed by

the United

States National Highway Traffic Safety Administration which grades tires by

treadwear, traction and temperature performance. (This applies only

vehicles sold

the United States.)

Treadwear

The treadwear grade

is a comparative rating based on the wear rate

of the

tire when tested under controlled conditions on a specified government test

course.

For

example, a

tire graded

150

would wear one and a half

(142)

timesaswellonthegovernmentcourseasa

tire graded

100.

Therelative

performance of

tires depends upon the actual conditions

their use,

however, and may depart significantly from the norm due to variations

drivinghabits,servicepracticesanddifferencesinroadcharacteristicsand

climate.

Traction-A,

The

traction grades,

from highest

lowest are:

and

They represent

the tire’s ability

stop

on wet pavement

as measured under controlled

conditions on specified government test surfaces of asphalt and concrete.

tire marked

may have

poor

traction performance.

Warning:Thetractiongradeassigned

thistireisbasedonbraking

(straight-ahead) traction tests and does not

include cornering (turning) traction.

Temperatur+A,

The

temperature grades are

(thehighest),

B, and C, representing

the

tire’s

resistance

the generation

of heat

and its ability

dissipate heat when

tested under controlled conditions on a specified

indoor

laboratory test wheel.

Sustained high temperature can cause the material

of the tire

degenerate

andreducetirelife,andexcessivetemperaturecanlead

sudden tire

6-49