Page 478 of 664

•Install on Rear Tires Only
• Due to limited clearance, the THULE XG-12 PRO
traction device or equivalent is recommended on
P265/60R18 or 265/50R20 tires.
WARNING!
Using tires of different size and type (M+S, Snow)
between front and rear axles can cause unpredictable
handling. You could lose control and have a collision.
CAUTION!
To avoid damage to your vehicle or tires, observe the
following precautions:
(Continued)
CAUTION! (Continued)
•Because of restricted traction device clearance be-
tween tires and other suspension components, it is
important that only traction devices in good condi-
tion are used. Broken devices can cause serious
damage. Stop the vehicle immediately if noise
occurs that could indicate device breakage. Remove
the damaged parts of the device before further use.
• Install device as tightly as possible and then re-
tighten after driving about ½ mile (0.8 km).
• Do not exceed 30 mph (48 km/h).
• Drive cautiously and avoid severe turns and large
bumps, especially with a loaded vehicle.
• Do not drive for a prolonged period on dry pave-
ment.
(Continued)
476 STARTING AND OPERATING
Page 641 of 664

Call toll free at:
•1–800–890–4038 (U.S.)
• 1–800–387–1143 (Canada)
Or
Visit us on the Worldwide Web at:
• www.techauthority.com
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 perfor-
mance.
9
IF YOU NEED CONSUMER ASSISTANCE 639
Page 642 of 664

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.
640 IF YOU NEED CONSUMER ASSISTANCE
Page 653 of 664

Brake Assist Warning....................452
Brake Warning ........................ .295
Bulb Replacement ...................... .614
Cargo .............................. .273
Center Mounted Stop ....................617
Daytime Running ...................... .178
Dimmer Switch, Headlight .................175
Exterior ..............................118
Fog ................................ .293
Hazard Warning Flasher ..................526
Headlights ........................... .614
Headlights On With Wipers ................176
High Beam Indicator .....................292
Illuminated Entry ........................23
Malfunction Indicator (Check Engine) .........293
Map Reading ......................... .182
Passing ............................. .185
Reading ............................. .182
Rear Servicing ........................ .617Rear Tail
............................ .617
Seat Belt Reminder ..................... .292
Security Alarm ........................ .300
Service .............................. .614
Service Engine Soon (Malfunction Indicator) . . . .293
Side Marker .......................... .617
SmartBeams .......................... .177
Tire Pressure Monitoring (TPMS) ............297
Traction Control ....................... .452
Turn Signal ............................118
Vanity Mirror ......................... .135
Loading Vehicle ......................... .499
Tires ............................... .460
Locks ..................................32
Child Protection .........................35
Door .................................32
Power Door ............................34
Lubrication, Body ........................ .578
Luggage Rack (Roof Rack) ...................278
10
INDEX 651
Page 660 of 664

Jacking.............................. .529
Life of Tires .......................... .473
Load Capacity ........................ .460
Pressure Monitor System (TPMS) ............478
Pressure Warning Light ...................297
Quality Grading ....................... .639
Radial .............................. .467
Replacement .......................... .474
Rotation ............................. .477
Safety .............................. .453
Sizes ............................... .455
Snow Tires ........................... .468
Spare Tire ............................ .531
Spinning ............................ .472
Trailer Towing ........................ .512
Tread Wear Indicators ....................472
Tire Safety Information .....................453
Tongue Weight/Trailer Weight ................509
Towing ............................... .501Disabled Vehicle
....................... .555
Guide .............................. .506
Recreational .......................... .517
Weight .............................. .506
Towing Vehicle Behind a Motorhome ...........517
Traction Control ......................... .443
Trailer Sway Control (TSC) ..................448
Trailer Towing .......................... .501
Cooling System Tips .....................516
Hitches ............................. .505
Minimum Requirements ..................510
Trailer and Tongue Weight .................509
Wiring .............................. .513
Trailer Towing Guide ...................... .506
Trailer Weight ........................... .506
T
ransfer Case ........................... .593
Electronically Shifted .....................424
Maintenance .......................... .593
Transmission ........................... .415
658 INDEX
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