▫Tire Rotation Recommendations ............560
DEPARTMENT OF TRANSPORTATION UNIFORM
TIRE QUALITY GRADES ..................561
▫ Treadwear ........................... .561
▫ Traction Grades ....................... .561
▫ Temperature Grades .....................562
STORING THE VEHICLE ..................562
BODYWORK .......................... .563
▫ Protection From Atmospheric Agents ........563▫
Body And Underbody Maintenance ..........564
▫ Preserving The Bodywork .................564
INTERIORS ........................... .565
▫ Seats And Fabric Parts ...................565
▫ Plastic And Coated Parts ..................566
▫ Leather Parts ......................... .566
▫ Glass Surfaces ........................ .567
508 SERVICING AND MAINTENANCE
Tread Wear Indicators
Tread wear indicators are in the original equipment tires to
help you in determining when your tires should be re-
placed.
These indicators are molded into the bottom of the tread
grooves. They will appear as bands when the tread depthbecomes a 1/16 of an inch (1.6 mm). When the tread is
worn to the tread wear indicators, the tire should be
replaced.
Refer to “Replacement Tires” in this section for further
information.
Life Of Tire
The service life of a tire is dependent upon varying factors
including, but not limited to:
•
Driving style.
• Tire pressure - Improper cold tire inflation pressures can
cause uneven wear patterns to develop across the tire
tread. These abnormal wear patterns will reduce tread
life, resulting in the need for earlier tire replacement.
• Distance driven.
• Performance tires, tires with a speed rating of V or
higher, and Summer tires typically have a reduced tread
life. Rotation of these tires per the vehicle scheduled
maintenance is highly recommended.
Tire Tread
1—WornTire
2—NewTire 552 SERVICING AND MAINTENANCE
tire and wheel found on the front or rear axle of your
vehicle. This spare tire may be used in the tire rotation for
your vehicle. If your vehicle has this option, refer to an
authorized tire dealer for the recommended tire rotation
pattern.
Compact Spare Tire — If Equipped
The compact spare is for temporary emergency use only.
You can identify if your vehicle is equipped with a compact
spare by looking at the spare tire description on the Tire
and Loading Information Placard located on the driver ’s
side door opening or on the sidewall of the tire. Compact
spare tire descriptions begin with the letter “T” or “S”
preceding the size designation. Example: T145/80D18
103M.
T, S = Temporary Spare Tire
Since this tire has limited tread life, the original equipment
tire should be repaired (or replaced) and reinstalled on
your vehicle at the first opportunity.
Do not install a wheel cover or attempt to mount a
conventional tire on the compact spare wheel, since the
wheel is designed specifically for the compact spare tire.Do not install more than one compact spare tire and wheel
on the vehicle at any given time.
WARNING!
Compact and collapsible spares are for temporary
emergency use only. With these spares, do not drive
more than 50 mph (80 km/h). Temporary use spares
have limited tread life. When the tread is worn to the
tread wear indicators, the temporary use spare tire
needs to be replaced. Be sure to follow the warnings,
which apply to your spare. Failure to do so could result
in spare tire failure and loss of vehicle control.
Collapsible Spare Tire — If Equipped
The collapsible spare is for temporary emergency use only.
You can identify if your vehicle is equipped with a collaps-
ible spare by looking at the spare tire description on the
Tire and Loading Information Placard located on the
driver ’s side door opening or on the sidewall of the tire.
Collapsible spare tire description example: 165/80-17 101P.
Since this tire has limited tread life, the original equipment
tire should be repaired (or replaced) and reinstalled on
your vehicle at the first opportunity.
556 SERVICING AND MAINTENANCE
CAUTION!(Continued)
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.
• Observe the traction device manufacturer ’s instruc-
tions on the method of installation, operating speed,
and conditions for use. Always use the suggested
operating speed of the device manufacturer ’s if it is
less than 30 mph (48 km/h).
• Do not use traction devices on a compact spare tire.
Tire Rotation Recommendations
The tires on the front and rear of your vehicle operate at
different loads and perform different steering, driving, and
braking functions. For these reasons, they wear at unequal
rates.
These effects can be reduced by timely rotation of tires. The
benefits of rotation are especially worthwhile with aggres-
sive tread designs such as those on all season type tires.
Rotation will increase tread life, help to maintain mud,
snow and wet traction levels, and contribute to a smooth,
quiet ride.
Refer to the “Scheduled Servicing” for the proper mainte-
nance intervals. The reasons for any rapid or unusual wear
should be corrected prior to rotation being performed.
The suggested rotation method is the “forward cross”
shown in the following diagram. This rotation pattern does
not apply to some directional tires that must not be
reversed.
560 SERVICING AND MAINTENANCE
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
(Continued)
Tire Rotation8
SERVICING AND MAINTENANCE 561
Uconnect Settings.........................33
Remote Starting System .......................30
Replacement Bulbs ........................ .449
Replacement Keys ...........................34
Replacement Tires ......................... .553
Reporting Safety Defects .....................697
Restraints, Child .......................... .283
Restraints, Head ............................85
Roof Luggage Rack ........................ .180
Rotation, Tires ............................ .560
Safety Checks Inside Vehicle ...................312
Safety Checks Outside Vehicle .................315
Safety Defects, Reporting .....................697
Safety, Exhaust Gas ........................ .312
Safety Information, Tire ..................... .538
Safety Tips ...............................311
Schedule, Maintenance ...................... .509
Seat Belt Reminder ........................ .208
Seat Belts ............................ .247, 312
Adjustable Shoulder Belt ...................253
Adjustable Upper Shoulder Anchorage .........253
Adjustable Upper Shoulder Belt Anchorage ......253
Automatic Locking Retractor (ALR) ...........259
Child Restraints ........................ .283Energy Management Feature
................259
Extender .............................. .258
Front Seat ...................... .247, 249, 251
Inspection ............................. .312
Lap/Shoulder Belt Operation ................251
Lap/Shoulder Belts ...................... .249
Lap/Shoulder Belt Untwisting ...............253
Operating Instructions .....................251
Pregnant Women ........................ .258
Pretensioners .......................... .259
Rear Seat ............................. .249
Reminder ............................. .248
Seat
Belt Extender ....................... .258
Seat Belt Pretensioner .....................259
Untwisting Procedure .....................253
Seat Belts Maintenance ...................... .565
Seats .............................. .50, 74, 81
Adjustment ..................... .50, 52, 53, 74
Bench .................................53
Heated .................................81
Power .............................. .73, 75
Rear Folding .............................50
Reclining ...............................51
Seatback Release .....................50, 52, 53
Stow ‘n Go (Fold in Floor) ...................63
710 INDEX
Sun Roof............................... .141
Supplemental Restraint System – Air Bag ..........265
Sway Control, Trailer ....................... .229
Synthetic Engine Oil ....................... .517
System, Remote Starting ......................30
Telescoping Steering Column ...................90
Temperature Control, Automatic (ATC) ...........135
Tie Down Hooks, Cargo ..................... .152
Tilt Steering Column .........................90
Time Delay Headlight ...............................97
Tire And Loading Information Placard ............544
Tire Markings ............................ .538
Tires......................... .315, 548, 555, 561
Aging (Life Of Tires) ..................... .552
Air Pressure ........................... .548
Chains ............................... .559
Changing .......................... .466, 538
Compact Spare ......................... .556
General Information ...................548, 555
High Speed ............................ .550
Inflation Pressure ....................... .549
Jacking ........................ .466, 468, 538
Life Of Tires ........................... .552Load Capacity
...................... .544, 545
Pressure Monitoring System (TPMS) . . . .197, 212, 241
Quality Grading ........................ .561
Radial ............................... .550
Replacement ........................... .553
Rotation .............................. .560
Safety ............................ .538, 548
Sizes ................................ .540
Snow Tires ............................ .555
Spare Tires ..................... .467, 555, 557
Spinning .............................. .551
Trailer Towing .......................... .433
Tread Wear Indicators .....................552
Wheel
Nut Torque ....................... .571
Tire Safety Information ...................... .538
Tire Service Kit ........................... .484
Tongue Weight/Trailer Weight .................432
To Open Hood ........................... .145
Towing ................................. .426
Disabled Vehicle ........................ .503
Guide ................................ .429
Recreational ........................... .437
Weight ............................... .429
Towing Behind A Motorhome ..................437
Traction ............................. .438, 439
712 INDEX