2008 JEEP COMMANDER service

NOTE:The Rear Park Assist system will MUTE the
radio, if on, when the system is sounding an audio tone.
Enable/Disable the Rear Park Assist System
The Rear Park Assist System can be enabled and disabled
with a switch located on the upper switch bank of the
instrument panel.When the switch is pressed to disable the system, the
instrument cluster will display the9PARK ASSIST DIS-
ABLED9message. Refer to ªElectronic Vehicle Informa-
tion Center (EVIC)º in Section 4 of this manual. When the
shifter is changed to R (Reverse) and the system is
disabled, the instrument cluster will actuate a single
chime, once per ignition cycle, and it will display the
message.
The Rear Park Assist Switch LED will be ON when the
Rear Park Assist System is disabled or defective. The
Rear Park Assist Switch LED will be OFF when the
system is enabled.
Service the Rear Park Assist System
When the Rear Park Assist System is defective, the
instrument cluster will actuate a single chime, once per
ignition cycle, and it will display the9SERVICE PARK
ASSIST SYSTEM9message. Refer to ªElectronic Vehicle
Information Center (EVIC)º in Section 4 of this manual.
Rear Park Assist Switch
156 UNDERSTANDING THE FEATURES OF YOUR VEHICLE

engine start. If the bulb does not come on when turning
the key from OFF to ON, have the condition checked
promptly.
Certain conditions such as a loose or missing gas cap,
poor fuel quality, etc. may illuminate the light after
engine start. The vehicle should be serviced if the light
stays on through several of your typical driving cycles. In
most situations the vehicle will drive normally and will
not require towing.
The Malfunction Indicator Light flashes to alert you to
serious conditions that could lead to immediate loss of
power or severe catalytic converter damage. The vehicle
should be serviced as soon as possible if this occurs.
6. Airbag Warning Light
This light turns on and remains on for 6 to 8
seconds as a bulb check when the ignition
switch is first turned ON. If the light is not onduring starting, stays on, or turns on while driving, have
the system inspected by an authorized dealer as soon as
possible.
7. Anti-Lock Brake Warning Light
This light monitors the Anti-Lock Brake System.
The light will turn on when the ignition switch is
turned to the ON position and may stay on for as long as
four seconds.
If the ABS light remains on or turns on while driving, it
indicates that the Anti-Lock portion of the brake system
is not functioning and that service is required. However,
the conventional brake system will continue to operate
normally if the BRAKE warning light is not on.
If the ABS light is on, the brake system should be serviced
as soon as possible to restore the benefits of Anti-Lock
brakes. If the ABS light does not turn on when the
Ignition switch is turned to the ON position, have the
light inspected by an authorized dealer.
188 UNDERSTANDING YOUR INSTRUMENT PANEL

The gauge pointer will likely indicate a higher tempera-
ture when driving in hot weather, up mountain grades,
or when towing a trailer. It should not be allowed to
exceed the upper limits of the normal operating range.
CAUTION!
Driving with a hot engine cooling system could
damage your vehicle. If temperature gauge reads (H),
pull over and stop the vehicle. Idle the vehicle with
the air conditioner turned off until the pointer drops
back into the normal range. If the pointer remains on
the ªHº, and you hear continuous chimes, turn the
engine off immediately, and call for service.
WARNING!
A hot engine cooling system is dangerous. You or
others could be badly burned by steam or boiling
coolant. If you decide to look under the hood your-
self, refer to Section 7 of this manual. Follow the
warnings under ªCooling System Pressure Cap.º
14. Electronic Vehicle Information Center Display
When the appropriate conditions exist, this display
shows the Electronic Vehicle Information Center (EVIC)
messages. Refer to ªElectronic Vehicle Information Cen-
terº later in this section.
15. TOW/HAUL Indicator Light
This light will illuminate when the TOW/
HAUL button has been selected. The TOW/
HAUL button is located in the center of the
instrument panel (below the climate controls).
192 UNDERSTANDING YOUR INSTRUMENT PANEL

U.S. federal regulations require that upon transfer of
vehicle ownership, the seller certify to the purchaser the
correct mileage that the vehicle has been driven. There-
fore, if the odometer reading is changed during repair or
replacement, be sure to keep a record of the reading
before and after the service so that the correct mileage can
be determined.
21. Transmission Range Indicator
This display indicator shows the automatic transmission
gear selection.
22. Fuel Gauge
The pointer shows the level of fuel in the fuel tank when
the ignition switch is in the ON position.
23. Electronic Throttle Control (ETC) Warning Light Ð
If Equipped
This light informs you of a problem with the
Electronic Throttle Control system. If a problem
is detected the light will come on while theengine is running. Cycle the ignition key when the
vehicle has completely stopped and the gear selector is
placed in the P (Park) position. The light should turn off.
If the light remains lit with the engine running your
vehicle will usually be drivable, however, see your dealer
for service as soon as possible. If the light is flashing
when the engine is running, immediate service is re-
quired and you may experience reduced performance, an
elevated/rough idle or engine stall and your vehicle may
require towing. The light will come on when the ignition
is first turned on and remain on briefly as a bulb check.
If the light does not come on during starting, have the
system checked by an authorized dealer.
24. Front Fog Light Indicator LightÐ If Equipped
This light shows the front fog lights are ON.
194 UNDERSTANDING YOUR INSTRUMENT PANEL

25. Voltage Warning Light
This light monitors the electrical system voltage.
The light should turn on momentarily as the
engine is started. If the light stays on or turns on while
driving, it indicates a problem with the charging system.
Immediate service should be obtained.
26. Low Fuel Warning Light
When the fuel level reaches approximately 2.3 U.S.
Gallons (8.7 Liters) this light will come on and
remain on until fuel is added. The Low Fuel
Warning Light may turn on and off again, especially
during and after hard braking, accelerations, or turns.
This occurs due to the shifting of the fuel in the tank.
Also, a single chime will sound.ELECTRONIC VEHICLE INFORMATION CENTER
(EVIC)
The Electronic Vehicle Information Center (EVIC) fea-
tures a driver-interactive display. It is located on the
bottom of the tachometer in the instrument cluster. The
EVIC consists of the following:
²System Status
UNDERSTANDING YOUR INSTRUMENT PANEL 195
4

Electronic Vehicle Information Center (EVIC)
Displays
When the appropriate conditions exist, the Electronic
Vehicle Information Center (EVIC) displays the following
messages:
²TURN SIGNAL ON
²PERFORM SERVICE
²KEY NOT PROGRAMMED Ð DAMAGED KEY
²KEY NOT PROGRAMMED Ð INVALID KEY
²KEY NOT PROGRAMMED Ð EXCEEDED KEY PRO-
GRAM LIMIT
²PROGRAMMING ACTIVE Ð NEW KEY PRO-
GRAMMED
²SERVICE SECURITY KEY
²INVALID KEY Ð TRY ALTERNATE KEY
²DRIVER/PASSENGER DOOR OPEN (with graphic)
²LEFT/RIGHT REAR DOOR OPEN (with graphic)
²X DOORS OPEN (with graphic)
²LIFTGATE OPEN (with graphic)
²LIFTGATE/DOOR OPEN (with graphic)
²LIFTGATE/DOORS OPEN (with graphic)
²LIFTGLASS OPEN (with graphic)
²HOOD OPEN (with graphic)
²HOOD/DOOR OPEN (with graphic)
²HOOD/DOORS OPEN (with graphic)
²LIFTGATE/HOOD OPEN (with graphic)
²HOOD/GLASS/DOOR OPEN (with graphic)
²HOOD/GLASS/DOORS OPEN (with graphic)
UNDERSTANDING YOUR INSTRUMENT PANEL 197
4

²HOOD/GATE/DOOR OPEN (with graphic)
²HOOD/GATE/DOORS OPEN (with graphic)
²LIFTGLASS/DOOR OPEN (with graphic)
²LIFTGLASS/DOORS OPEN (with graphic)
²LIFTGLASS/HOOD OPEN (with graphic)
²WASHER FLUID LOW (with graphic)
²COOLANT LOW (with graphic)
²OIL CHANGE REQUIRED
²OIL CHANGE RESET
²CHECK GAUGES
²AUTO HIGH BEAMS ON
²AUTO HIGH BEAMS OFF
²PARK ASSIST DISABLED
²SERVICE SUSPENSION
²SERVICE PARK ASSIST SYSTEM
²TRANSMISSION OVER TEMP
²CHECK SHIFT PROCEDURE
²SERVICE 4WD SYSTEM
²4WD SYSTEM IN NEUTRAL
²LOW BRAKE FLUID LEVEL
²WARNING! LIMIT SPEED
²CHECK GASCAP
²ESP OFF
²IOD FUSE OUT
²HILL DESCENT CONTROL
²MEMORY #1 POSITIONS SET
198 UNDERSTANDING YOUR INSTRUMENT PANEL

²Service Distance
²Display Units of Measure in
Press the SCROLL button to cycle through all the Trip
Computer functions.
The Trip Functions mode displays the following informa-
tion:
²Average Fuel Economy / Fuel Saver Mode (5.7L
Engine Only)
Shows the average fuel economy since the last reset.
When the fuel economy is reset, the display will read
ªRESETº or show dashes for two seconds. Then, the
history information will be erased, and the averaging will
continue from the last fuel average reading before the
reset.
Vehicles with the 5.7L Multi-Displacement System (MDS)
are equipped with the FUEL SAVER MODE in the Trip
Functions of the EVIC. The FUEL SAVER message willdisplay above the average fuel economy in the EVIC
display. This message will appear whenever MDS allows
the engine to operate on four cylinders, which will vary
depending on driving habits and vehicle usage.
4 Cylinder Operation - MDS On
UNDERSTANDING YOUR INSTRUMENT PANEL 201
4