Page 319 of 517

NOTE:Even if the transmission can be reset, we recom-
mend that you visit your authorized dealer at your
earliest possible convenience. Your authorized dealer has
diagnostic equipment to determine if the problem could
recur.
If the transmission cannot be reset, authorized dealer
service is required.
Overdrive Operation
The automatic transmission includes an electronically
controlled Overdrive (sixth gear). The transmission will
automatically shift into Overdrive if the following con-
ditions are present:
• The shift lever is in the DRIVE position.
• The transmission fluid has reached an adequate tem-
perature. •The engine coolant has reached an adequate tempera-
ture.
• The vehicle speed is sufficiently high.
• The driver is not heavily pressing the accelerator.
Torque Converter Clutch
A feature designed to improve fuel economy has been
included in the automatic transmission on your vehicle.
A clutch within the torque converter engages automati-
cally at calibrated speeds. This may result in a slightly
different feeling or response during normal operation in
the upper gears. When the vehicle speed drops or during
some accelerations, the clutch automatically disengages.
NOTE: The torque converter clutch will not engage until
the transmission fluid and engine coolant are warm
(usually after 1 to 3 miles [2 to 5 km] of driving). Because
the engine speed is higher when the torque converter
clutch is not engaged, it may seem as if the transmission
5
STARTING AND OPERATING 317
Page 429 of 517

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 driveability.
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 dis-
played in the instrument cluster. Tighten the gas cap until
a clicking sound 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 427
Page 457 of 517

To prevent dirt and water from entering the transmission
after checking or replenishing fluid, make sure that the
dipstick cap is properly reseated.
CAUTION!
•Using a transmission fluid other than the manufac-
turer’s recommended fluid may cause deterioration
in transmission shift quality and/or torque con-
verter shudder, and will require more frequent
fluid and filter changes. Refer to “Fluids, Lubri-
cants, and Genuine Parts” in this section for fluid
specifications.
• Dirt and water in the transmission can cause seri-
ous damage. To prevent dirt and water from enter-
ing the transmission after checking or replenishing
fluid, make sure that the dipstick cap is re-seated
properly.
Fluid Level Check — Six-Speed Transmission
The fluid level is preset at the factory and does not
require adjustment under normal operating conditions.
Routine fluid level checks are not required, therefore the
transmission filler tube is capped and no dipstick is pro-
vided. Your authorized dealer can check your transmission
fluid level using a special service dipstick. If you notice
fluid leakage or transmission malfunction, visit your autho-
rized dealer immediately to have the transmission fluid
level checked. Operating the vehicle with an improper fluid
level can cause severe transmission damage.
CAUTION!
If a transmission fluid leak occurs, visit your autho-
rized dealer immediately. Severe transmission dam-
age may occur. Your authorized dealer has the proper
tools to adjust the fluid level accurately.
7
MAINTAINING YOUR VEHICLE 455
Page 480 of 517

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.
Severe Duty All Models
Change Engine Oil at 4000 miles (6,500 km) if the vehicle
is operated in a dusty and off road environment. This
type of vehicle use is considered Severe Duty
Once A Month Or Before A Long Trip:
• Check engine oil level.
• Check windshield washer fluid level.
8
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S478 MAINTENANCE SCHEDULES
Page 514 of 517

Autostick............................ .318
Transmission ........................... .452
Automatic ........................... .299
Transmitter Battery Service (Remote Keyless Entry)....26
Transmitter, Garage Door Opener (HomeLink®). . . .181
Transporting Pets ..........................96
Tread Wear Indicators ..................... .354
Trip Computer .......................... .225
Trip Odometer .......................... .215
Trip Odometer Reset Button ..................218
Trunk Release, Emergency ....................41
Trunk Release Remote Control .................40
Turn Signals ............................ .167
UCI Connector .......................... .266
Uconnect® Advanced Phone Connectivity ..............130
Operation .............................115
Phone Call Features .....................122 Phone Features
........................ .125
Things You Should Know About Your Uconnect®
Phone .............................. .132
Uconnect® 130 Operating Instructions Auxiliary Mode ........249
Operating Instructions CD Mode ............243
Operating Instructions Radio Mode ..........240
Uconnect® 130 With Satellite Radio Playing MP3 Files ...................... .258
Uconnect® (Hands-Free Phone) ...............113
Understanding Your Instrument Panel ...........208
Uniform Tire Quality Grades .................493
Universal Consumer Interface (UCI) Connector . . . .266
Universal Transmitter ..................... .181
Unleaded Gasoline ....................... .368
Untwisting Procedure, Seat Belt ................50
Upholstery Care ......................... .460
Vanity Mirrors ...........................112
512 INDEX