service indicator JEEP WRANGLER 2017 JK / 3.G User Guide

These indicators are molded into the bottom of the tread
grooves. They will appear as bands when the tread depth
becomes 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 maintenance
schedule is highly recommended.
WARNING!
Tires and the spare tire should be replaced after six
years, regardless of the remaining tread. Failure to
follow this warning can result in sudden tire failure.
You could lose control and have a collision resulting in
serious injury or death.
Tire Tread
1—WornTire
2—NewTire
8
SERVICING AND MAINTENANCE 417

If a Non-FFV vehicle is inadvertently fueled with E-85 fuel,
the engine will have some or all of these symptoms:
•Operate in a lean mode.
• OBD II “Malfunction Indicator Light” on.
• Poor engine performance.
• Poor cold start and cold drivability.
• Increased risk for fuel system component corrosion.
CNG And LP Fuel System Modifications
Modifications that allow the engine to run on compressed
natural gas (CNG) or liquid propane (LP) may result in
damage to the engine, emissions, and fuel system compo-
nents. Problems that result from running CNG or LP are
not the responsibility of the manufacturer and may void or
not be covered under the New Vehicle Limited Warranty.
MMT In Gasoline
Methylcyclopentadienyl Manganese Tricarbonyl (MMT) is
a manganese-containing metallic additive that is blended
into some gasoline to increase octane. Gasoline blended
with MMT provides no performance advantage beyond
gasoline of the same octane number without MMT. Gaso-
line blended with MMT reduces spark plug life and reduces emissions system performance in some vehicles.
The manufacturer recommends that gasoline without
MMT be used in your vehicle. The MMT content of
gasoline may not be indicated on the gasoline pump;
therefore, you should ask your gasoline retailer whether
the gasoline contains MMT. MMT is prohibited in Federal
and California reformulated gasoline.
Fuel System Cautions
CAUTION!
Follow these guidelines to maintain your vehicle’s
performance:
•
The use of leaded gasoline is prohibited by Federal
law. Using leaded gasoline can impair engine perfor-
mance and damage the emissions control system.
• An out-of-tune engine or certain fuel or ignition
malfunctions can cause the catalytic converter to
overheat. If you notice a pungent burning odor or
some light smoke, your engine may be out of tune or
malfunctioning and may require immediate service.
Contact your authorized dealer for service assistance.
(Continued)
440 TECHNICAL SPECIFICATIONS

Intermittent Wipers (Delay Wipers)...............58
Introduction ................................4
Inverter, Power ........................... .178
iPod/USB/MP3 Control Bluetooth Streaming Audio .................499
Jacking Instructions ........................ .355
Jack Location ............................ .353
Jack Operation ...................353, 355, 356, 405
Jump Starting ............................ .358
Key Fob Battery Service (Remote Keyless Entry) .....20
Key, Programming ..........................25
Key, Replacement ...........................25
Keys ....................................19
Key, Sentry (Immobilizer) ......................24
Lane Change Assist ..........................54
Lap/Shoulder Belts ........................ .239
Latches ................................. .282
Leaks, Fluid ............................. .282
Life Of Tires ............................. .417
Light Bulbs .......................... .282, 342
Lights .................................. .282
AirBag ............................196, 280 Automatic Headlights
......................53
Back-Up .............................. .345
Brake Assist Warning ..................... .223
Brake Warning ......................... .197
Bulb Replacement ....................... .343
Cargo .................................56
Center Mounted Stop ..................... .346
Cruise ............................... .209
Daytime Running .........................52
Dimmer Switch, Headlight ...................53
Exterior .............................. .282
Fog............................... .53, 344
Hazard Warning Flasher ...................342
Headlights .......................... .52, 343
Headlight Switch .........................52
High Beam ..............................53
High Beam/Low Beam Select .................53
Hill Descent Control Indicator ...............225
Instrument Cluster ........................52
Interior ................................
54
Malfunction Indicator (Check Engine) ..........203
Passing ................................53
Rear Servicing .......................... .345
Rear Tail Lamps ........................ .345
Seat Belt Reminder ...................... .201
516 INDEX

Security Alarm......................... .201
Service ............................... .343
Side Marker ........................... .345
Tire Pressure Monitoring (TPMS) .............204
Traction Control ........................ .223
Turn Signal ....................54, 282, 344, 345
Loading Vehicle ........................... .313
Tires................................. .409
Locking Axle ............................. .305
Locks Child Protection ..........................31
Door ..................................28
Power Door .............................30
Lubrication, Body ......................... .389
Lug Nuts ............................... .436
Maintenance Free Battery .....................378
Maintenance Schedule ...................... .371
Malfunction Indicator Light (Check Engine) . . . .203, 212
Manual, Service ........................... .506
Manual Transmission ....................290, 405
Fluid Level Check ....................... .405
Lubricant Selection ....................405, 445
Shift Speeds ........................... .291
Methanol ............................... .439Mirrors
..................................49
Automatic Dimming .......................50
Electric Powered ..........................51
Electric Remote ...........................51
Heated .................................51
Outside ................................50
Rearview ...............................49
Vanity .................................52
Modifications/Alterations, Vehicle ................7
Modular Hard Top ..........................83
Monitor, Tire Pressure System ..................227
MOPAR Parts ............................ .505
New Vehicle Break-In Period ..................288
Occupant Restraints ........................ .236
Octane Rating, Gasoline (Fuel) ..............438, 443
Oil Change Indicator ....................... .195
Oil

Change Indicator, Reset ...................195
Oil, Engine ........................... .380, 443
Capacity .............................. .442
Change Interval ..................... .195, 380
Dipstick .............................. .378
Disposal .............................. .381
Filter ............................. .381, 443
12
INDEX 517