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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 concrete.
A tire marked C may have poor traction performance.9
IF YOU NEED CONSUMER ASSISTANCE 719
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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 all
passenger car tires must meet under the Federal MotorVehicle 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.
720 IF YOU NEED CONSUMER ASSISTANCE
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Page 724 of 743

Adding Engine Coolant (Antifreeze)............656
Adding Fuel ............................ .534
Additives, Fuel .......................... .529
Adjustable Pedals ........................ .175
Airbag ..................................64
Airbag Deployment ........................78
Airbag Light .............................72
Airbag Maintenance ........................80
Airbag, Side ..............................67
Airbag, Window (Side Curtain) ................68
Air Cleaner, Engine (Engine Air Cleaner Filter) . . . .646
Air Conditioner Maintenance .................648
Air Conditioning ......................... .314
Air Conditioning Controls ...................314
Air Conditioning Refrigerant .................648
Air Conditioning System ....................314
Air Pressure, Tires ........................ .499
Air Suspension .......................... .410
Alarm Light ............................ .260Alarm, Panic
.............................27
Alarm (Security Alarm) ......................21
Alarm System (Security Alarm) ................21
Alterations/Modifications, Vehicle ...............7
Antifreeze (Engine Coolant) ..................655
Disposal ............................. .658
Anti-Lock Brake System (ABS) ................473
Anti-Lock Warning Light ....................255
Anti-Theft Security Alarm (Theft Alarm) ..........21
Anti-Theft System ..........................21
Appearance Care ........................ .668
Ashtray ............................... .209
Auto Down Power Windows ..................44
Automatic Door Locks ......................36
Automatic Headlights ..................... .158
Automatic Temperature Control (ATC) ..........324
Automatic Transmission ....................355
Adding Fluid ......................... .667
Fluid and Filter Changes ..................668
722 INDEX
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Fluid Level Check...................... .665
Fluid Type ........................... .665
Shifting ............................. .364
Special Additives ...................... .666
Axle Fluid ............................. .663
Axle Lubrication (Axle Fluid) .................663
Back-Up Camera ......................... .189
Bar, Stabilizer/Sway System ..................420
Battery ................................ .647
Keyless Transmitter Replacement (RKE) ........29
Belts, Seat ...............................50
Body Builders Guide ........................6
Body Mechanism Lubrication .................649
B-Pillar Location ......................... .493
Brake Assist System ...................... .474
Brake Control System, Electronic ..............473
Brake Fluid ............................ .661
Brake System ........................... .470Anti-Lock (ABS)
....................... .471
Fluid Check .......................... .661
Master Cylinder ....................... .661
Parking ............................. .468
Warning Light ........................ .257
Brake/Transmission Interlock .................354
Bulb Replacement ........................ .686
Bulbs, Light ............................ .120
Cab Top Clearance Lights ...................693
Camera, Rear ........................... .189
Camper ............................... .242
Capacities, Fluid ......................... .696
Caps, Filler Oil (Engine) .......................... .645
Power Steering ........................ .467
Radiator (Coolant Pressure) ................657
Carbon Monoxide Warning ..................117
Cargo Light ............................ .166
10
INDEX 723
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Car Washes............................ .669
Cellular Phone .......................... .313
Center High Mounted Stop Light ..............692
Center Seat Storage Compartment .............216
Certification Label ........................ .536
Chart, Tire Sizing ........................ .488
Check Engine Light (Malfunction Indicator Light) . .255
Checking Your Vehicle For Safety ..............116
Checks, Safety ............................116
Child Restraint ............................82
Cigar Lighter ........................... .209
Clean Air Gasoline ....................... .527
Cleaning Wheels .............................. .671
Climate Control ......................... .314
Cold Weather Operation ....................345
Compact Disc (CD) Maintenance ..............312
Compact Spare Tire ....................... .503
Console, Overhead ....................... .191Contract, Service
......................... .715
Coolant Pressure Cap (Radiator Cap) ...........657
Cooling System .......................... .654
Adding Coolant (Antifreeze) ...............656
Coolant Capacity ...................... .696
Coolant Level ......................... .654
Disposal of Used Coolant .................658
Drain, Flush, and Refill ...................655
Inspection ........................... .658
Points to Remember .....................660
Pressure Cap ......................... .657
Radiator Cap ......................... .657
Selection of Coolant (Antifreeze) .............655
Corrosion Protection ...................... .668
Cupholders ..............................211
Customer Assistance ...................... .713
Data Recorder, Event .......................81
Daytime Running Lights ....................159
724 INDEX
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Dealer Service........................... .641
Defroster, Rear Window .....................222
Defroster, Windshield ......................118
Delay (Intermittent) Wipers ..................169
Differential, Limited-Slip ....................441
Dipsticks Power Steering ........................ .467
Disabled Vehicle Towing ....................628
Disposal Antifreeze (Engine Coolant) ................658
Door Locks ..............................34
Door Locks, Automatic ......................36
Driving Off-Pavement ......................... .422
Off-Road ............................ .422
Through Flowing, Rising, or Shallow Standing
Water ............................... .443
Dual Rear Wheels ........................ .512E-85 Fuel
.............................. .530
Electrical Power Outlets .....................205
Electric Rear Window Defrost .................222
Electronically Shifted Transfer Case .............392
Electronic Brake Control System ...............473
Anti-Lock Brake System ..................473
Brake Assist System .....................474
Traction Control System ...................474
Electronic Range Select (ERS) .................362
Electronic Speed Control (Cruise Control) ........177
Electronic Stability Control (ESC) ..............480
Electronic Vehicle Information Center (EVIC) ......189
Emergency Brake ........................ .468
Emergency, In Case of Freeing Vehicle When Stuck ................621
Hazard Warning Flasher ..................577
Jump Starting ......................... .617
Tow Hooks ........................... .623
Emission Control System Maintenance ..........640
10
INDEX 725
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Engine................................ .637
Air Cleaner .......................... .646
Block Heater ......................... .351
Break-In Recommendations ................115
Compartment ......................... .636
Compartment Identification ................636
Coolant (Antifreeze) .....................698
Exhaust Gas Caution .....................117
Flooded, Starting ...................... .345
Fuel Requirements ..................... .526
Jump Starting ......................... .617
Oil................................. .643
Oil Filler Cap ......................... .645
Oil Selection .......................... .644
Oil Synthetic ......................... .645
Overheating .......................... .577
Enhanced Accident Response Feature ............74
Entry System, Illuminated ....................22
Ethanol ............................... .527Event Data Recorder
........................81
Exhaust Gas Caution .......................117
Exhaust System ...........................117
Exterior Lighting ......................... .158
Exterior Lights .......................... .120
Filters Air Cleaner .......................... .646
Engine Oil ........................... .646
Engine Oil Disposal .....................645
Flashers Turn Signal .......................... .120
Flat Tire Stowage ........................ .591
Flexible Fuel Vehicles Cruising Range ........................ .533
Engine Oil ........................... .533
Fuel Requirements ..................... .530
Maintenance .......................... .534
Replacement Parts ...................... .533
726 INDEX