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DEPARTMENT OF TRANSPORTATION UNIFORM
TIRE QUALITY GRADES
The following tire grading categories were established by
the National Highway Traffic Safety Administration. The
specific grade rating assigned by the tire’s manufacturer
in each category is shown on the sidewall of the tires on
your vehicle.
All passenger car tires must conform to Federal safety
requirements in addition to these grades.
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 one-half
times as well on the government course as a tire graded
100. The relative performance of tires depends upon the
actual conditions of their use, however, and may depart
significantly from the norm due to variations in driving
habits, service practices, and differences in road charac-
teristics and climate.
Traction Grades
The Traction grades, from highest to lowest, are AA, A, B,
and C. These grades represent the tire’s ability to stop on
wet pavement, as measured under controlled conditions
on specified government test surfaces of asphalt and
9
IF YOU NEED CONSUMER ASSISTANCE 711
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concrete. A tire marked C may have poor traction perfor-
mance.
WARNING!
The traction grade assigned to this tire is based on
straight-ahead braking traction tests, and does not
include acceleration, cornering, hydroplaning, or
peak traction characteristics.
Temperature Grades
The temperature grades are A (the highest), B, and C,
representing the tire’s resistance to the generation of heat
and its ability to dissipate heat, when tested under
controlled conditions on a specified indoor laboratory
test wheel. Sustained high temperature can cause the
material of the tire to degenerate and reduce tire life, and
excessive temperature can lead to sudden tire failure. The
grade C corresponds to a level of performance, which allpassenger car tires must meet under the Federal Motor
Vehicle Safety Standard No. 109. Grades B and A repre-
sent higher levels of performance on the laboratory test
wheel, than the minimum required by law.
WARNING!
The temperature grade for this tire is established for
a tire that is properly inflated and not overloaded.
Excessive speed, under-inflation, or excessive load-
ing, either separately or in combination, can cause
heat buildup and possible tire failure.
712 IF YOU NEED CONSUMER ASSISTANCE
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Page 716 of 734

Adding Engine Coolant (Antifreeze)............649
Adding Fuel ............................ .530
Additives, Fuel .......................... .524
Adjustable Pedals ........................ .179
Airbag ..................................66
Airbag Deployment ........................80
Airbag Light .............................74
Airbag Maintenance ........................82
Airbag, Side ..............................69
Airbag, Window (Side Curtain) ................70
Air Cleaner, Engine (Engine Air Cleaner Filter) . . . .640
Air Conditioner Maintenance .................642
Air Conditioning ......................... .315
Air Conditioning Controls ...................315
Air Conditioning Refrigerant .................642
Air Conditioning System ....................315
Air Pressure, Tires ........................ .494
Air Suspension .......................... .410
Alarm Light ............................ .262Alarm, Panic
.............................28
Alarm (Security Alarm) ......................21
Alarm System (Security Alarm) ................21
Alterations/Modifications, Vehicle ...............7
Antifreeze (Engine Coolant) ..................648
Disposal ............................. .651
Anti-Lock Brake System (ABS) ................470
Anti-Lock Warning Light ....................257
Anti-Theft Security Alarm (Theft Alarm) ..........21
Anti-Theft System ..........................21
Appearance Care ........................ .661
Ashtray ............................... .212
Auto Down Power Windows ..................45
Automatic Door Locks ......................37
Automatic Headlights ..................... .162
Automatic Temperature Control (ATC) ..........325
Automatic Transmission ....................355
Adding Fluid ......................... .660
Fluid and Filter Changes ..................661
714 INDEX
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Fluid Level Check...................... .658
Fluid Type ........................... .658
Shifting ............................. .364
Special Additives ...................... .659
Axle Fluid ............................. .656
Axle Lubrication (Axle Fluid) .................656
Back-Up Camera ......................... .193
Bar, Stabilizer/Sway System ..................419
Battery ................................ .641
Keyless Transmitter Replacement (RKE) ........30
Belts, Seat ...............................51
Body Builders Guide ........................6
Body Mechanism Lubrication .................643
B-Pillar Location ......................... .488
Brake Assist System ...................... .471
Brake Control System, Electronic ..............470
Brake Fluid ............................ .654Brake System
........................... .469
Anti-Lock (ABS) ....................... .470
Fluid Check .......................... .654
Master Cylinder ....................... .654
Parking ............................. .467
Warning Light ........................ .259
Brake/Transmission Interlock .................354
Bulb Replacement ........................ .678
Bulbs, Light ............................ .124
Cab Top Clearance Lights ...................686
Camera, Rear ........................... .193
Camper ............................... .245
Capacities, Fluid ......................... .689
Caps, Filler Oil (Engine) .......................... .639
Radiator (Coolant Pressure) ................650
Carbon Monoxide Warning ..................121
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INDEX 715
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Cargo Light............................ .170
Car Washes ............................ .662
Cellular Phone .......................... .314
Center High Mounted Stop Light ..............684
Center Seat Storage Compartment .............219
Certification Label ........................ .532
Chart, Tire Sizing ........................ .483
Check Engine Light (Malfunction Indicator Light) . .257
Checking Your Vehicle For Safety ..............120
Checks, Safety .......................... .120
Child Restraint ............................84
Cigar Lighter ........................... .212
Clean Air Gasoline ....................... .522
Cleaning Wheels .............................. .664
Climate Control ......................... .314
Cold Weather Operation ....................345
Compact Disc (CD) Maintenance ..............313
Compact Spare Tire ....................... .498Console, Overhead
....................... .194
Contract, Service ......................... .707
Coolant Pressure Cap (Radiator Cap) ...........650
Cooling System .......................... .647
Adding Coolant (Antifreeze) ...............649
Coolant Capacity ...................... .689
Coolant Level ......................... .648
Disposal of Used Coolant .................651
Drain, Flush, and Refill ...................648
Inspection ........................... .651
Points to Remember .....................653
Pressure Cap ......................... .650
Radiator Cap ......................... .650
Selection of Coolant (Antifreeze) .............648
Corrosion Protection ...................... .661
Cupholders ............................ .214
Customer Assistance ...................... .705
Data
Recorder, Event .......................83
716 INDEX
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Daytime Running Lights....................163
Dealer Service ........................... .635
Defroster, Rear Window .....................225
Defroster, Windshield ..................... .122
Delay (Intermittent) Wipers ..................173
Differential, Limited-Slip ....................440
Disabled Vehicle Towing ....................623
Disposal Antifreeze (Engine Coolant) ................651
Door Locks ..............................34
Door Locks, Automatic ......................37
Driving Off-Pavement ......................... .421
Off-Road ............................ .421
Through Flowing, Rising, or Shallow Standing
Water ............................... .442
Dual Rear Wheels ........................ .507E-85 Fuel
.............................. .526
Electrical Power Outlets .....................208
Electric Rear Window Defrost .................225
Electronically Shifted Transfer Case .............390
Electronic Brake Control System ...............470
Anti-Lock Brake System ..................470
Brake Assist System .....................471
Traction Control System ...................471
Electronic Range Select (ERS) .................361
Electronic Speed Control (Cruise Control) ........180
Electronic Stability Control (ESC) ..............475
Electronic Vehicle Information Center (EVIC) ......193
Emergency Brake ........................ .467
Emergency, In Case of Freeing Vehicle When Stuck ................616
Hazard Warning Flasher ..................571
Jump Starting ......................... .612
Tow Hooks ........................... .618
Emission Control System Maintenance ..........634
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Engine................................ .631
Air Cleaner .......................... .640
Block Heater ......................... .351
Break-In Recommendations ................119
Compartment ......................... .630
Compartment Identification ................630
Coolant (Antifreeze) .....................691
Exhaust Gas Caution .....................121
Flooded, Starting ...................... .345
Fuel Requirements ..................... .521
Jump Starting ......................... .612
Oil................................. .637
Oil Filler Cap ......................... .639
Oil Selection .......................... .638
Oil Synthetic ......................... .639
Overheating .......................... .571
Enhanced Accident Response Feature ............76
Entry System, Illuminated ....................22
Ethanol ............................... .522Event Data Recorder
........................83
Exhaust Gas Caution ...................... .121
Exhaust System .......................... .121
Exterior Lighting ......................... .162
Exterior Lights .......................... .124
Filters Air Cleaner .......................... .640
Engine Oil ........................... .640
Engine Oil Disposal .....................639
Flashers Turn Signal .......................... .124
Flat Tire Stowage ........................ .585
Flexible Fuel Vehicles Cruising Range ........................ .529
Engine Oil ........................... .528
Fuel Requirements ..................... .526
Maintenance .......................... .529
Replacement Parts ...................... .529
718 INDEX