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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.
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IF YOU NEED CONSUMER ASSISTANCE 767
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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.
768 IF YOU NEED CONSUMER ASSISTANCE
Page 771 of 790
Page 772 of 790

Adding Engine Coolant (Antifreeze)............699
Adding Fuel ............................ .577
Additives, Fuel .......................... .571
Adjustable Pedals ........................ .180
Airbag ..................................67
Airbag Deployment ........................78
Airbag Light .............................74
Airbag Maintenance ........................79
Airbag, Side ..............................70
Airbag, Window (Side Curtain) ................71
Air Cleaner, Engine (Engine Air Cleaner Filter) . . . .689
Air Conditioner Maintenance .................691
Air Conditioning ......................... .356
Air Conditioning Controls ...................356
Air Conditioning Refrigerant .................691
Air Conditioning System ....................356
Air Pressure, Tires ........................ .541
Air Suspension .......................... .451
Alarm Light ............................ .283Alarm, Panic
.............................27
Alarm (Security Alarm) ......................21
Alarm System (Security Alarm) ................21
Alterations/Modifications, Vehicle ...............7
Antifreeze (Engine Coolant) ..................698
Disposal ............................. .701
Anti-Lock Brake System (ABS) ................517
Anti-Lock Warning Light ....................278
Appearance Care ........................ .712
Ashtray ............................... .224
Auto Down Power Windows ..................46
Automatic Door Locks ......................39
Automatic Headlights ..................... .163
Automatic Transmission ....................397
Adding Fluid ..........................711
Fluid and Filter Changes ..................712
Fluid Change ......................... .712
Fluid Level Check ...................... .708
Fluid Type ........................... .708
770 INDEX
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Shifting............................. .406
Special Additives ...................... .709
Axle Fluid ............................. .706
Axle Lubrication (Axle Fluid) .................706
Back-Up Camera ......................... .202
Bar, Stabilizer/Sway System ..................464
Battery ................................ .689
Keyless Transmitter Replacement (RKE) ........29
Belts, Seat ...............................53
Body Builders Guide ........................6
Body Mechanism Lubrication .................692
B-Pillar Location ......................... .535
Brake Assist System ...................... .518
Brake Control System, Electronic ..............517
Brake Fluid ............................ .705
Brake System ........................... .515
Anti-Lock (ABS) ....................... .515
Fluid Check .......................... .705
Master Cylinder ....................... .705Parking
............................. .512
Warning Light ........................ .280
Brake/Transmission Interlock .................396
Bulb Replacement ........................ .730
Bulbs, Light .............................119
Cab Top Clearance Lights ...................738
Camera, Rear ........................... .202
Camper ............................... .257
Capacities, Fluid ......................... .742
Caps, Filler Oil (Engine) .......................... .687
Power Steering .........................511
Radiator (Coolant Pressure) ................700
Carbon Monoxide Warning ..................116
Cargo Light ............................ .171
Car Washes ............................ .713
Cellular Phone .......................... .356
Center High Mounted Stop Light ..............736
Center
Seat Storage Compartment .............231
10
INDEX 771
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Certification Label........................ .579
Chart, Tire Sizing ........................ .531
Check Engine Light (Malfunction Indicator Light). . . .278
Checking Your Vehicle For Safety ..............115
Checks, Safety ............................115
Child Restraint ............................82
Cigar Lighter ........................... .224
Clean Air Gasoline ....................... .569
Cleaning Wheels .............................. .715
Climate Control ......................... .356
Cold Weather Operation ....................387
Compact Disc (CD) Maintenance ..............355
Compact Spare Tire ....................... .546
Console, Overhead ....................... .205
Contract, Service ......................... .763
Coolant Pressure Cap (Radiator Cap) ...........700
Cooling System .......................... .697
Adding Coolant (Antifreeze) ...............699Coolant Capacity
...................... .742
Coolant Level ......................... .697
Disposal of Used Coolant .................701
Drain, Flush, and Refill ...................698
Inspection ........................... .701
Points to Remember .....................703
Pressure Cap ......................... .700
Radiator Cap ......................... .700
Selection of Coolant (Antifreeze) .............698
Corrosion Protection ...................... .712
Cupholders ............................ .226
Customer Assistance ...................... .761
Data Recorder, Event .......................81
Daytime Running Lights ....................164
Dealer Service ........................... .683
Defroster, Rear Window .....................236
Defroster, Windshield ......................117
Delay (Intermittent) Wipers ..................174
Differential, Limited-Slip ....................484
772 INDEX
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DipsticksPower Steering .........................511
Disabled Vehicle Towing ....................670
Disposal Antifreeze (Engine Coolant) ................701
Door Locks ..............................37
Door Locks, Automatic ......................39
Door Opener, Garage ...................... .207
Driving Off-Pavement ......................... .466
Off-Road ............................ .466
Through Flowing, Rising, or Shallow Standing
Water ............................... .486
Dual Rear Wheels ........................ .555
E-85 Fuel .............................. .573
Electrical Power Outlets .....................219
Electric Rear Window Defrost .................236
Electronically Shifted Transfer Case .............433
Electronic Brake Control System ...............517Anti-Lock Brake System
..................517
Brake Assist System .....................518
Traction Control System ...................518
Electronic Range Select (ERS) .................403
Electronic Speed Control (Cruise Control) ........181
Electronic Stability Control (ESC) ..............523
Electronic Vehicle Information Center (EVIC) ......202
Emergency Brake ........................ .512
Emergency, In Case of Freeing Vehicle When Stuck ................663
Hazard Warning Flasher ..................617
Jump Starting ......................... .659
Tow Hooks ........................... .665
Emission Control System Maintenance ..........682
Engine ................................ .679
Air Cleaner .......................... .689
Block Heater ......................... .393
Break-In Recommendations ................114
Compartment ......................... .678
10
INDEX 773
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Compartment Identification................678
Coolant (Antifreeze) .....................744
Exhaust Gas Caution .....................116
Flooded, Starting ...................... .387
Fuel Requirements ..................... .568
Jump Starting ......................... .659
Oil................................. .685
Oil Filler Cap ......................... .687
Oil Selection .......................... .686
Oil Synthetic ......................... .688
Overheating .......................... .617
Engine Oil Viscosity ...................... .687
Engine Oil Viscosity Chart ...................687
Enhanced Accident Response Feature ............77
Entry System, Illuminated ....................22
Ethanol ............................... .569
Event Data Recorder ........................81
Exhaust Gas Caution .......................116
Exhaust System ...........................116 Exterior Lighting
......................... .163
Exterior Lights ...........................119
Filters Air Cleaner .......................... .689
Engine Oil ........................... .688
Engine Oil Disposal .....................688
Flashers Turn Signal ............................119
Flat Tire Stowage ........................ .634
Flexible Fuel Vehicles Cruising Range ........................ .576
Engine Oil ........................... .575
Fuel Requirements ..................... .573
Maintenance .......................... .576
Replacement Parts ...................... .576
Starting ............................. .575
Flooded Engine Starting ....................387
Fluid, Brake ............................ .746
Fluid Capacities ......................... .742
774 INDEX