2015 JEEP WRANGLER traction control

WARNING!
•Do not use a tire, wheel size or rating other than
that specified for your vehicle. Some combinations
of unapproved tires and wheels may change sus-
pension dimensions and performance characteris-
tics, resulting in changes to steering, handling, and
braking of your vehicle. This can cause unpredict-
able handling and stress to steering and suspen-
sion components. You could lose control and have
a collision resulting in serious injury or death. Use
only the tire and wheel sizes with load ratings
approved for your vehicle.
•Never use a tire with a smaller load index or
capacity, other than what was originally equipped
on your vehicle. Using a tire with a smaller load
index could result in tire overloading and failure.
You could lose control and have a collision.
(Continued)
WARNING!(Continued)
•Failure to equip your vehicle with tires having
adequate speed capability can result in sudden tire
failure and loss of vehicle control.
CAUTION!
Replacing original tires with tires of a different size
may result in false speedometer and odometer read-
ings.
TIRE CHAINS (TRACTION DEVICES)
Use of traction devices require sufficient tire-to-body
clearance. Follow these recommendations to guard
against damage.
•Traction device must be of proper size for the tire, as
recommended by the traction device manufacturer.
510 STARTING AND OPERATING

•Install on Rear Tires Only.
•P225/75R16 or a P235/65R17 tire with the use of a
traction device that meets the SAE type “Class S”
specification is recommended.
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 about½mile (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)
5
STARTING AND OPERATING 511

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Or
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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 perfor-
mance.
9
IF YOU NEED CONSUMER ASSISTANCE 669

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 Motor
Vehicle 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.
670 IF YOU NEED CONSUMER ASSISTANCE

Dimmer Switch, Headlight...................170
Dipsticks
Oil (Engine)...........................588
Power Steering.........................465
Disabled Vehicle Towing....................577
Disarming, Security System...................21
Disposal
Antifreeze (Engine Coolant)................616
Door Locks..............................38
Child-Protection Door Lock — Rear Doors......42
Door Locks............................38
Key Fob . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Remote...............................38
Remote Keyless Entry (RKE)................38
Door Locks, Automatic......................41
Doors..................................32
Driver’s Seat Back Tilt......................154
Driving................................449
Dual Top...............................192
Electrical Outlet, Auxiliary (Power Outlet)........183
Electrical Power Outlets.....................183
Electric Remote Mirrors.....................113
Electronic Brake Control System...............469
Brake Assist System.....................471
Electronic Roll Mitigation.................476
Traction Control System...................471
Electronic Roll Mitigation (ERM)..............476
Electronic Speed Control (Cruise Control)........179
Electronic Stability Control (ESC)..............477
Electronic Throttle Control Warning Light........321
Electronic Vehicle Information Center (EVIC)......321
Emergency Brake.........................466
Emergency, In Case of
Jacking...............................563
Jump Starting..........................570
Tow Hooks............................575
676 INDEX

Low Fuel.............................306
Oil Pressure...........................307
Passing..............................170
Rear Servicing.........................644
Rear Tail Lamps........................644
Seat Belt Reminder......................307
Security Alarm.........................312
Service...............................642
Side Marker...........................644
Tire Pressure Monitoring (TPMS)............318
Traction Control........................483
Turn Signal...........................103
Voltage..............................306
Warning (Instrument Cluster Description)......306
Loading Vehicle..........................532
Ti re s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..493
Locking Axle............................446
Locks..................................38
Automatic Door.........................41
Child Protection.........................42
Door.................................38
Power Door............................40
Lubrication, Body.........................601
Lug Nuts...............................561
Maintenance Free Battery....................596
Maintenance Procedures....................587
Maintenance Schedule......................652
Malfunction Indicator Light (Check Engine).......310
Manual, Service..........................668
Manual Transmission......................424
Fluid Level Check.......................623
Lubricant Selection......................623
Shift Speeds...........................426
Master Cylinder (Brakes)....................618
Methanol...............................526
Mini-Trip Computer.......................321
Mirrors.................................111
682 INDEX

Jacking...............................563
Life of Tires...........................508
Load Capacity.........................493
Pressure Monitor System (TPMS)............513
Pressure Warning Light...................318
Quality Grading........................669
Radial...............................501
Replacement...........................509
Rotation..............................512
Safety...............................487
Sizes................................488
Snow Tires............................503
Spare Tire.............................565
Spinning.............................507
Tread Wear Indicators....................507
Tire Safety Information.....................487
Tongue Weight/Trailer Weight................545
To Open Hood...........................165
Tow Hooks, Emergency.....................575
Towing................................534
24-Hour Towing Assistance................129
Disabled Vehicle........................577
Guide...............................538
Recreational...........................553
Weight...............................538
Towing Assistance.........................129
Towing Vehicle Behind a Motorhome...........553
Trac-Lok Rear Axle........................446
Traction Control..........................471
Trailer Sway Control (TSC)..................484
Trailer Towing...........................534
Cooling System Tips.....................552
Hitches..............................537
Minimum Requirements..................546
Trailer and Tongue Weight.................545
Wiring...............................550
Trailer Towing Guide.......................538
Trailer Weight............................53810
INDEX 689