Page 473 of 598

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 manu-
facturer in each category is shown on the sidewall of the
tires on your vehicle.
All passenger vehicle 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 condi-
tions on specified government test surfaces of asphalt
and concrete. A tire marked C may have poor traction
performance.
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. 8
SERVICING AND MAINTENANCE 471
Page 589 of 598

Center Mounted Stop..................... .382
Cruise ............................ .168, 169
Daytime Running .........................75
Dimmer Switch, Headlight ...................74
Electronic Stability Program(ESP) Indicator ......161
Exterior ............................ .74, 257
Fog ................................. .381
Hazard Warning Flasher ...................372
Headlights ............................ .380
Headlights On With Wipers ..................77
High Beam/Low Beam Select .................75
Interior ................................79
Lights On Reminder .......................77
Malfunction Indicator (Check Engine) ..........163
Park .............................. .76, 168
Passing ................................76
Reading ................................79
Rear Servicing .......................... .382
Rear Tail Lamps ........................ .382
Seat Belt Reminder .......................158
Security Alarm ......................... .163
Service ............................ .378, 380
Side Marker ........................... .382
Traction Control ........................ .181
Turn Signals ................74, 169, 257, 381, 382 Vanity Mirror
............................73
Warning Instrument Cluster Descriptions . . . .161, 169
Loading Vehicle ........................... .343
Tires................................. .454
Load Shed Battery Saver Mode .................156
Load Shed Battery Saver On ...................156
Load Shed Electrical Load Reduction .............156
Load Shed Intelligent Battery Sensor .............156
Locks Child Protection ..........................40
Manual ................................33
Power Door .............................34
Lubrication, Body ......................... .433
Luggage Carrier .......................... .135
Lug Nuts/Bolts ........................... .479
Maintenance ............................. .109
Maintenance Fr
ee Battery .....................424
Maintenance Schedule .......................417
Malfunction Indicator Light (Check Engine) . . . .163, 171
Manual Service ............................... .577
Memory Feature (Memory Seats) ................55
Memory Seat ..............................55
Memory Seats And Radio .....................55
12
INDEX 587
Page 595 of 598

Tire Safety Information.......................449
Tongue Weight/Trailer Weight .................350
To Open Hood ............................110
Towing ............................. .344, 409
Disabled Vehicle ........................ .409
Guide ................................ .348
Recreational ........................... .360
Weight ............................... .348
Towing Behind A Motorhome ..................360
Traction Control .......................... .179
Trailer Sway Control (TSC) ....................182
Trailer Towing ............................ .344
Cooling System Tips ..................... .359
Hitches ............................... .347
Minimum Requirements ................... .351
Tips ................................. .358
Trailer And Tongue Weight ..................350
Wiring ............................... .356
Trailer Towing Guide ....................... .348
Trailer Weight ............................ .348
Transfer Case ............................ .448
Electronically Shifted .................. .282, 283
Fluid ................................ .489
Maintenance ........................... .448
Transmission ............................. .274Automatic
......................... .274, 446
Fluid ................................ .489
Maintenance ........................... .446
Shifting .............................. .272
Transmitter, Garage Door Opener (Homelink) .......115
Transporting Pets ......................... .253
Tread Wear Indicators .......................462
Turn Signals ....................... .169, 381, 382
Uconnect Uconnect Settings ....................... .507
Uconnect Settings Customer Programmable Features ........35,40,
507
Passive Entry Programming ............35, 40, 505
Uniform Tire Quality Grades ..................471
Universal Transmitter ........................115
Unleaded Gasoline ........................ .481
Untwisting Procedure, Seat Belt ................207
Vanity Mirrors .............................73
Vehicle Identification Number (VIN) .............478
Vehicle Loading ....................... .343, 455
Vehicle Modifications/Alterations .................6
Vehicle Security Alarm ........................31
Vehicle Storage ........................ .102, 472
12
INDEX 593
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