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ONBOARD DIAGNOSTIC SYSTEM — OBD II
Your vehicle is equipped with a sophisticated onboard
diagnostic system called OBD II. This system monitors
the performance of the emissions, engine, and automatic
transmission control systems. When these systems are
operating properly, your vehicle will provide excellent
performance and fuel economy, as well as engine emis-
sions well within current government regulations.
If any of these systems require service, the OBD II system
will turn on the “Malfunction Indicator Light” (MIL). It
will also store diagnostic codes and other information to
assist your service technician in making repairs. Al-
though your vehicle will usually be drivable and not
need towing, see your authorized dealer for service as
soon as possible.
CAUTION!
•Prolonged driving with the MIL on could cause
further damage to the emission control system. It
could also affect fuel economy and drivability. The
vehicle must be serviced before any emissions tests
can be performed.
•If the MIL is flashing while the engine is running,
severe catalytic converter damage and power loss
will soon occur. Immediate service is required.
Loose Fuel Filler Cap Message
After fuel is added, the vehicle diagnostic system can
determine if the fuel filler cap is possibly loose or
improperly installed. A “GASCAP” message will be
displayed in the instrument cluster. Tighten the gas cap
until aclickingsound is heard. This is an indication that
the gas cap is properly tightened. Press the trip odometer
“Reset” button to turn off the message. If the problem7
MAINTAINING YOUR VEHICLE 425
Page 482 of 519

MAINTENANCE SCHEDULE
Your vehicle is equipped with an automatic oil change
indicator system. The oil change indicator system will
remind you that it is time to take your vehicle in for
scheduled maintenance.
Based on engine operation conditions, the oil change
indicator message will illuminate. This means that ser-
vice is required for your vehicle. Operating conditions
such as frequent short-trips, trailer tow, extremely hot or
cold ambient temperatures, and E85 fuel usage will
influence when the “Oil Change Required” message is
displayed. Severe Operating Conditions can cause the
change oil message to illuminate as early as 3,500 miles
(5,600 km) since last reset. Have your vehicle serviced as
soon as possible, within the next 500 miles (805 km).
Your authorized dealer will reset the oil change indicator
message after completing the scheduled oil change. If a
scheduled oil change is performed by someone otherthan your authorized dealer, the message can be reset by
referring to the steps described under “Electronic Vehicle
Information Center (EVIC)/Oil Change Required” in
“Understanding Your Instrument Panel” for further in-
formation
NOTE:Under no circumstances should oil change inter-
vals exceed 10,000 miles (16,000 km) or twelve months,
whichever comes first.
Once A Month Or Before A Long Trip:
•Check engine oil level
•Check windshield washer fluid level
•Check the tire inflation pressures and look for unusual
wear or damage
•Check the fluid levels of the coolant reservoir, brake
master cylinder, power steering and transmission as
needed
•Check function of all interior and exterior lights
8
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S480 MAINTENANCE SCHEDULES
Page 510 of 519

Malfunction Indicator Light (Check Engine).......233
Manual, Service..........................494
Map/Reading Lights.......................183
Master Cylinder (Brakes)....................447
Memory Feature (Memory Seat)...............170
Methanol...............................371
Mini-Trip Computer.......................235
Mirrors................................125
Automatic Dimming....................126
Electric Powered.......................127
Electric Remote........................127
Heated..............................128
Outside..............................128
Rearview............................125
Vanity...............................129
Modifications/Alterations, Vehicle...............7
Monitor, Tire Pressure System................362
Mopar Parts.............................427MTBE/ETBE............................371
New Vehicle Break-In Period..................90
Occupant Restraints........................40
Occupant Restraints (Sedan)..................60
Octane Rating, Gasoline (Fuel)................370
Odometer...............................224
Trip ................................224
Oil Change Indicator.......................227
Oil Change Indicator, Reset..................227
Oil, Engine..............................429
Capacity.............................475
Change Interval........................227
Checking............................429
Dipstick.............................429
Disposal.............................432
Filter...............................432
Filter Disposal.........................432
508 INDEX
Page 516 of 519

Trailer Towing...........................384
Cooling System Tips....................394
Hitches..............................386
Minimum Requirements..................389
Tips ................................392
Trailer and Tongue Weight................388
Trailer Towing Guide.......................387
Trailer Weight............................387
Transmission............................449
Automatic............................305
Filter...............................453
Transmitter Battery Service (Remote Keyless Entry) . .26
Transmitter, Garage Door Opener (HomeLink) . . . .192
Transmitter Programming (Remote Keyless Entry) . . .21
Transmitter, Remote Keyless Entry (RKE).........21
Transporting Pets..........................90
Tread Wear Indicators......................358
Trip Computer...........................235
Trip Odometer...........................224Trip Odometer Reset Button..................228
Trunk Lid (Deck Lid).......................38
Trunk Release Remote Control.................38
Turn Signals.............................180
UCI Connector...........................276
Uconnect™ (Hands-Free Phone)...............129
Understanding Your Instrument Panel...........218
Uniform Tire Quality Grades.................495
Universal Consumer Interface (UCI) Connector. . . .276
Universal Transmitter......................192
Unleaded Gasoline........................370
Untwisting Procedure, Seat Belt................48
Upholstery Care..........................457
Vanity Mirrors...........................129
Variance, Compass........................243
Vehicle Certification Label...................382
Vehicle Identification Number (VIN).............6
514 INDEX