light JEEP WRANGLER 2009 JK / 3.G Service Manual

13. Airbag Warning LightThis indicator lights and remains lit for six to
eight seconds when the ignition is first turned
on. If the light does not come on for six to eight
seconds, stays on or comes on while driving,
have the airbag system checked by an authorized dealer.
14. Rear Axle Lock Indicator — If Equipped This light indicates when the rear axle lock has
been activated.
15. Tachometer
Indicates the engine speed in revolutions per minute
(RPM).
CAUTION!
Do not operate the engine with the tachometer
pointer in the red area. Engine damage will occur. 16. Engine Temperature Warning Light
This light warns of an overheated engine condi-
tion. If the engine is critically hot, a warning chime
will sound 10 times. After the chime turns off, the
engine will still be critically hot until the light goes out.
17. Vehicle Security Light — If Equipped This light will flash at a fast rate for approxi-
mately 15 seconds, when the vehicle security
alarm is arming, and then will flash slowly
until the vehicle is disarmed.
18. Temperature Gauge
The temperature gauge shows engine coolant tempera-
ture. Any reading within the normal range indicates that
the engine cooling system is operating satisfactorily.
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.
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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 “H” and you hear continuous chimes, turn the
engine off immediately, and call an authorized deal-
ership for service.
WARNING!
A hot engine cooling system is dangerous. You or
others could be badly burned by steam or boiling
coolant. You may want to call an authorized dealer-
ship for service if your vehicle overheats. If you
decide to look under the hood yourself, see Section 7
of this manual. Follow the warnings under the Cool-
ing System Pressure Cap paragraph.
19. Cruise Indicator This indicator shows when the electronic speed
control system is turned on.
20. 4WD Indicator Light — If Equipped This light alerts the driver that the vehicle is in
the four-wheel drive mode, and the front and
rear driveshafts are mechanically locked to-
gether forcing the front and rear wheels to
rotate at the same speed.
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21. Odometer / Trip Odometer Reset Button
Press this button to change the display from odometer to
either of the two trip odometer settings. Trip A or Trip B
will appear when in the trip odometer mode. Press and
hold the button for two seconds to reset the trip odometer
to 0 miles or kilometers. The odometer must be in trip
mode to reset.
22. Shift Lever Indicator
The Shift Lever Indicator is self-contained within the
instrument cluster. It displays the gear position of the
automatic transmission.
23. Tire Pressure Monitoring Telltale LightEach tire, including the spare (if provided),
should be checked monthly, when cold and
inflated to the inflation pressure recommended
by the vehicle manufacturer on the vehicle placard or tire
inflation pressure label. (If your vehicle has tires of a
different size than the size indicated on the vehicle placard or tire inflation pressure label, you should deter-
mine the proper tire inflation pressure for those tires.)
As an added safety feature, your vehicle has been
equipped with a Tire Pressure Monitoring System
(TPMS) that illuminates a low tire pressure telltale when
one or more of your tires is significantly under-inflated.
Accordingly, when the low tire pressure telltale illumi-
nates, you should stop and check your tires as soon as
possible, and inflate them to the proper pressure. Driving
on a significantly under-inflated tire causes the tire to
overheat and can lead to tire failure. Under-inflation also
reduces fuel efficiency and tire tread life, and may affect
the vehicle’s handling and stopping ability.
Please note that the TPMS is not a substitute for proper
tire maintenance, and it is the driver ’s responsibility to
maintain correct tire pressure, even if under-inflation has
not reached the level to trigger illumination of the TPMS
low tire pressure telltale.
206 UNDERSTANDING YOUR INSTRUMENT PANEL

NOTE:If the indicator message illuminates when you
start the vehicle, the oil change indicator system did not
reset. If necessary repeat this procedure.
25. Malfunction Indicator Light (MIL) The Malfunction Indicator Light (MIL) is a part of
an Onboard Diagnostic System called OBD II that
monitors engine and automatic transmission con-
trol systems. The light will illuminate when the ignition
is in the ON position, before 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 quality fuel, etc. may illuminate the light after
engine start. The vehicle should be serviced if the light
stays on through several typical driving styles. In most
situations, the vehicle will drive normally and will not
require towing.CAUTION!
Prolonged driving with the MIL on could cause
damage to the engine control system. It also could
affect fuel economy and drivability. If the MIL is
flashing, severe catalytic converter damage and
power loss will soon occur. Immediate service is
required.
WARNING!
A malfunctioning catalytic converter, as referenced
above, can reach higher temperatures than in normal
operating conditions. This can cause a fire if you
drive slowly or park over flammable substances such
as dry plants or wood or cardboard, etc. This could
result in death or serious injury to the driver, occu-
pants or others.
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26.Electronic Stability Program (ESP) Indicator Light /
Traction Control System (TCS) Indicator Light
If the Electronic Stability Program (ESP) /
Traction Control System (TCS) Indicator Light
begins to flash during acceleration, ease up on
the accelerator and apply as little throttle as
possible. This indicator light starts to flash as soon as the
tires lose traction and the Electronic Stability Program
(ESP) becomes active. The ESP/TCS Indicator Light also
flashes when TCS is active. Be sure to adapt your speed
and driving to the prevailing road conditions. If the
ESP/TCS Indicator Light is on solid, the ESP system has
been turned off by the driver or a temporary condition
exists that will not allow full ESP function.
27. O/D (Overdrive) Off Indicator Light This light will illuminate when the O/D OFF
button has been selected and overdrive has been
turned off. The O/D OFF button is located on the center
console. 28. Sway Bar Indicator Light — If Equipped
This indicator will illuminate when the front
sway bar is disconnected.
29. Electronic Stability Program (ESP) / Brake Assist
System (BAS) Warning Light The Electronic Stability Program (ESP) / Brake
Assist System (BAS) warning light in the in-
strument cluster comes on when the ignition
switch is turned to the ON position. The light
should go out with the engine running. If the ESP/BAS
warning light comes on continuously with the engine
running, a malfunction has been detected in either the
ESP or the BAS system. If this light stays illuminated,
have the ESP and BAS checked at an authorized dealer as
soon as possible. Refer to “Electronic Brake Control
System” in Section 5 for more information.
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UNDERSTANDING YOUR INSTRUMENT PANEL 211

WARNING!
If a warning light remains on the system may not be
working and you will not have the benefit of ESP or
BAS. Under certain driving conditions, where ESP or
BAS would be beneficial, you - if you have not
adjusted your driving speeds and stopping in or to
account for the lack of the feature, may be in acci-
dent.
30. Electronic Throttle Control (ETC) Light This light informs you of a problem with the
Electronic Throttle Control (ETC) system. If a
problem is detected while the engine is run-
ning, the light will either stay on or flash
depending on the nature of the problem. Cycle the
ignition key when the vehicle is safely and completely
stopped and the shift lever is placed in the PARK
position. The light should turn off. If the light remains on with the engine running, your vehicle will usually be
drivable; however, see an authorized dealer for service as
soon as possible.
If the light continues to flash when the engine is running,
immediate service is required 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 autho-
rized dealer.
31. Compass / Mini-Trip Computer Display — If
Equipped
When the appropriate conditions exist, this display
shows the Mini-Trip Computer messages. Refer to “Mini-
Trip Computer” later in this section.
212 UNDERSTANDING YOUR INSTRUMENT PANEL

Program Type16-Digit Character
Display
Personality Persnlty
Public Public
Rhythm and Blues R & B
Religious Music Rel Musc
Religious Talk Rel Talk
Rock Rock
Soft Soft
Soft Rock Soft Rck
Soft Rhythm and Blues SoftR&B Sports Sports
Talk Talk
Top 40 Top 40
Weather Weather
By pressing the SEEK button when the Music Type icon
is displayed, the radio will be tuned to the next frequency station with the same selected Music Type name. The
Music Type function only operates when in the FM
mode.
If a preset button is activated while in the Music Type
(Program Type) mode, the Music Type mode will be
exited and the radio will tune to the preset station.
SETUP Button
Pressing the SETUP button allows you to select between
the following items:
NOTE:
Turn the TUNE/SCROLL control knob to scroll
through the entries. Push the AUDIO/SELECT button to
select an entry and make changes.
•DVD Enter - When the disc is in DVD Menu mode,
selecting DVD Enter will allow you to play the current
highlighted selection. Use the remote control to scroll
up and down the menu (if equipped).
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UNDERSTANDING YOUR INSTRUMENT PANEL 223

intended for home and other limited viewing uses only,
unless otherwise authorized by Macrovision. Reverse
engineering or disassembly is prohibited.
DTS™
DTS™andDTS™ 2.0 are trademarks of Digital The-
ater Systems, Inc.
SALES CODE (RER/REN) — AM/FM/CD/DVD
RADIO – IF EQUIPPED
NOTE: The sales code is located on the lower right side
of the unit’s faceplate.
The REN and RER radios contain a CD/DVD player, USB
port, and a 30-gigabyte hard drive (HDD). Sirius Satellite
Radio is optional. The 6.5 in (16.5 cm) touch screen allows
for easy menu selection.
The RER radio also contains a Global Positioning System
(GPS)-based Navigation system. Refer to your uconnect
tunes (REN) or (RER) user’s
manual for detailed operating instructions.
Operating Instructions — Voice Recognition
System (VR) — If Equipped
For the radio, refer to “Voice Recognition System (VR)” in
Section 3.
Operating Instructions — uconnect phone — If
Equipped
Refer to “uconnect phone” in Section 3.
Clock Setting Procedure
uconnectgps — RER only
The GPS receiver used in this system is synchronized to
the time data being transmitted by the GPS satellite. The
satellite clock is Greenwich Mean Time (GMT). This is the
worldwide standard for time. This makes the system’s
clock very accurate once the appropriate time zone and
daylight savings information is set.
234 UNDERSTANDING YOUR INSTRUMENT PANEL

To Manually Set the Clock — RER/REN
1. Turn on the radio.
2. Touch the screen where the time is displayed.
3. Touch the screen where “User Clock” is displayed. The
clock setting menu will appear on the screen.
4. To move the hour forward, touch the screen where the
word “Hour” with the arrow pointing upward is dis-
played. To move the hour backward, touch the screen
where the word “Hour” with the arrow pointing down-
ward is displayed.
5. To move the minute forward, touch the screen where
the word “Min” with the arrow pointing upward is
displayed. To move the minute backward, touch the
screen where the word “Min” with the arrow pointing
downward is displayed.6. To save the new time setting, touch the screen where
the word “Save” is displayed.
Changing Daylight Savings Time
When selected, this feature will display the time of day in
daylight savings time. Proceed as follows to change the
current setting:
1. Turn on the radio.
2. Touch the screen where the time is displayed. The
clock setting menu will appear on the screen.
3. When this feature is on, a check mark will appear in
the box next to the words “Daylight Savings.” Touch the
screen where the words “Daylight Savings” are dis-
played to change the current setting.
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UNDERSTANDING YOUR INSTRUMENT PANEL 235

Operating Instructions — Video Entertainment
System (VES)™ (If Equipped)
Refer to separate “Video Entertainment System (VES)™
Guide.”
CD/DVD MAINTENANCE
To keep a CD/DVD in good condition, take the following
precautions:
1. Handle the disc by its edge; avoid touching the
surface.
2. If the disc is stained, clean the surface with a soft cloth,
wiping from center to edge.
3. Do not apply paper or tape to the disc; avoid scratch-
ing the disc.
4. Do not use solvents such as benzene, thinner, cleaners,
or anti-static sprays.
5. Store the disc in its case after playing.6. Do not expose the disc to direct sunlight.
7. Do not store the disc where temperatures may become
too high.
NOTE:
If you experience difficulty in playing a particu-
lar disc, it may be damaged (i.e., scratched, reflective
coating removed, a hair, moisture or dew on the disc)
oversized, or have protection encoding. Try a known
good disc before considering disc player service.
RADIO OPERATION AND CELLULAR PHONES
Under certain conditions, the cellular phone being on in
your vehicle can cause erratic or noisy performance from
your radio. This condition may be lessened or eliminated
by relocating the cellular phone antenna. This condition
is not harmful to the radio. If your radio performance
does not satisfactorily “clear” by the repositioning of the
antenna, it is recommended that the radio volume be
turned down or off during cellular phone operation.
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