Page 360 of 519
Tread Wear Indicators
Tread wear indicators are in the original equipment tires
to help you in determining when your tires should be
replaced.These indicators are molded into the bottom of the tread
grooves. They will appear as bands when the tread depth
becomes 1/16 in (2 mm). When the tread is worn to the
tread wear indicators, the tire should be replaced.
Life Of Tire
The service life of a tire is dependent upon varying
factors including, but not limited to:
•Driving style
•Tire pressure
•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 main-
tenance schedule is highly recommended.
1—WornTire
2—NewTire 358 STARTING AND OPERATING
Page 427 of 519

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
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persists, the message will appear the next time the
vehicle is started. This might indicate a damaged cap. If
the problem is detected twice in a row, the system will
turn on the “Malfunction Indicator Light (MIL).” Resolv-
ing the problem will turn the MIL light off.
EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS
In some localities, it may be a legal requirement to pass
an inspection of your vehicle’s emissions control system.
Failure to pass could prevent vehicle registration.
For states that require an Inspection and Mainte-
nance (I/M), this check verifies the “Malfunction
Indicator Light (MIL)” is functioning and is not
on when the engine is running, and that the OBD II
system is ready for testing.Normally, the OBD II system will be ready. The OBD II
system maynotbe ready if your vehicle was recently
serviced, recently had a dead battery or a battery replace-
ment. If the OBD II system should be determined not
ready for the I/M test, your vehicle may fail the test.
Your vehicle has a simple ignition key-actuated test,
which you can use prior to going to the test station. To
check if your vehicle’s OBD II system is ready, you must
do the following:
1. Turn the ignition switch to the ON position, but do not
crank or start the engine.
2. If you crank or start the engine, you will have to start
this test over.
3. As soon as you turn the ignition switch to the ON
position, you will see the MIL symbol come on as part
of a normal bulb check.
426 MAINTAINING YOUR VEHICLE
Page 471 of 519
REPLACEMENT BULBS
Interior Bulbs
Bulb Number
Front Courtesy/Reading
Lamp578/W5W
Center Courtesy/Reading
Lamp578/W5W
Visor Vanity Lamp A6220
Glove Box Lamp A6220
Shift Indicator Lamp IKLE14140
Rear Compartment
(Trunk) Lamp579
NOTE:For lighted switches, see your authorized
dealer for replacement.
Exterior Bulbs
Bulb Number
Bi-Halogen Headlamp HIR2
Front Turn Signal Lamp 3157NAK
Front Park Lamp LED (Serviced at Autho-
rized Dealer)
Front Fog Lamp H11
Center High Mounted
Stop (CHMSL) LampLED (Serviced at Autho-
rized Dealer)
Rear Tail/Stop/Turn Sig-
nal LampLED (Serviced at Autho-
rized Dealer)
Backup Lamp 921
License Lamp W5W
7
MAINTAINING YOUR VEHICLE 469
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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
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Certification Label.........................382
Chains, Tire.............................360
Changing A Flat Tire.......................400
Chart, Tire Sizing.........................341
Check Engine Light (Malfunction Indicator Light) . .426
Checking Your Vehicle For Safety...............91
Checks, Safety............................91
Child Restraint............................69
Cigar Lighter............................205
Clean Air Gasoline........................371
Cleaning
Wheels..............................456
Climate Control..........................285
Clock..................................249
Cold Weather Operation....................304
Compact Disc (CD) Maintenance..............284
Compact Spare Tire........................355
Compass...............................235
Compass Calibration.......................242Compass Variance.........................243
Computer, Trip/Travel......................241
Connector
UCI ................................276
Universal Consumer Interface (UCI).........276
Console................................208
Console, Floor...........................208
Contract, Service..........................491
Convertible.............................101
Convertible Top..........................101
Coolant Pressure Cap (Radiator Cap)...........444
Cooling System...........................441
Adding Coolant (Antifreeze)...............443
Coolant Capacity.......................475
Coolant Level.........................442
Disposal of Used Coolant.................445
Drain, Flush, and Refill..................442
Inspection............................445
Points to Remember
.....................446
500 INDEX
Page 509 of 519

Headlight Switch.......................178
High Beam...........................180
High Beam Indicator....................234
High Beam/Low Beam Select..............180
Illuminated Entry.......................21
Instrument Cluster......................178
Interior..............................183
License..............................474
Lights On Reminder.....................179
Low Fuel............................221
Malfunction Indicator (Check Engine)........233
Map Reading..........................183
Oil Pressure..........................222
Passing..............................181
Seat Belt Reminder......................222
Security Alarm (Theft Alarm)...............19
Service..............................470
Theft Alarm (Security Alarm)..............229
Tire Pressure Monitoring (TPMS)............231Traction Control........................338
Turn Signal............................95
Voltage..............................221
Warning (Instrument Cluster Description).....220
Loading Vehicle..........................382
Capacities............................383
Tires ................................345
Locks..................................31
Automatic Door........................33
Auto Unlock...........................33
Door................................31
Power Door...........................32
Low Tire Pressure System...................362
Lubrication, Body.........................437
Lumbar Support..........................170
Maintenance Free Battery....................433
Maintenance Procedures....................428
Maintenance Schedule.....................
.48010
INDEX 507
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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