2008 JEEP GRAND CHEROKEE ignition

Rear Park Assist Warning Display
The Rear Park Assist Warning Display, located in the
headliner near the flipper glass, provides both visual and
audible warnings to indicate the distance between the
rear fascia and the detected obstacle.When the ignition is changed to the ON position, the
warning display will turn ON all of its LEDs for about 1
second. Each side of the warning display has 6 yellow
and 2 red LEDs. The vehicle is close to the obstacle when
the red LED is ON.
The system dimly illuminates the two outer most yellow
LED's when it is ON and detecting no obstacles. The
following chart shows the warning display operation
when the system is detecting an obstacle:
Rear Park Assist Display
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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
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It is recommended that a new battery be placed in the
hand-held transmitter of the device being programmed
to HomeLinktfor more efficient training and accurate
transmission of the radio-frequency signal.
Your vehicle should be parked outside of the garage
while training.
1. Turn the ignition switch to the ON/RUN position.
2. Place the hand-held transmitter 1±3 inches (3±8 cm)
from the HomeLinktbuttons while keeping the EVIC
display in view.
For optimal training, point the battery end of the hand-
held transmitter away from the HomeLinkt.
3. Simultaneously press and hold both the chosen
HomeLinktbutton and the hand-held transmitter button
until the EVIC display changes from ªCHANNEL #
TRAININGº to ªCHANNEL # TRAINED.ºThen release both the HomeLinktand hand-held trans-
mitter buttons.
If the EVIC display states ªDID NOT TRAINº repeat Step
3. If the signal is too weak, replace the battery in the
original hand-held transmitter.
It may take up to 30 seconds, or longer in rare cases. The
garage door may open & close while you train.
NOTE:Some gate operators and garage door openers
may require you to replace Step #3 with procedures
noted in the ªGate Operator/Canadian Programmingº
section.
4. Press and hold the just-trained HomeLinktbutton. If
the channel has been trained, the EVIC display will now
state ªCHANNEL # TRANSMIT.º
If the EVIC display still states ªCHANNEL # TRAIN-
INGº repeat Step 3.
150 UNDERSTANDING THE FEATURES OF YOUR VEHICLE

Then proceed with Step 4 under ªProgramming
HomeLink.º earlier in this section.
Using HomeLinkT
To operate, simply press and release the programmed
HomeLinktbutton. Activation will now occur for the
trained device (i.e. garage door opener, gate operator,
security system, entry door lock, home/office lighting,
etc. The hand-held transmitter of the device may also be
used at any time.
Reprogramming a Single HomeLinkTButton
To re-program a channel that has been previously
trained, follow these steps:
1. Turn the ignition switch to the ON/RUN position.
2. Press and hold the desired HomeLinktbutton for 20
seconds until the EVIC display states ªCHANNEL #
TRAINING.ºDo not release the button.3.Without releasing the button,proceed with PRO-
GRAMMING HOMELINK Step #2 and follow all remain-
ing steps.
Security
It is advised to erase all channels before you sell or turn
in your vehicle.
To do this, press and hold the two outside buttons for 20
seconds until the EVIC message states ªCHANNELS
CLEARED.º Note that all channels will be erased. Indi-
vidual channels cannot be erased.
The HomeLinktUniversal Transceiver is disabled when
the Vehicle Security Alarm is active.
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 153
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POWER SUNROOF Ð IF EQUIPPED
The power sunroof switch is located between the sun
visors on the overhead console.WARNING!
²Never leave children in a vehicle, with the keys in
the ignition switch. Occupants, particularly unat-
tended children, can become entrapped by the
power sunroof while operating the power sunroof
switch. Such entrapment may result in serious
injury or death.
²In an accident, there is a greater risk of being
thrown from a vehicle with an open sunroof. You
could also be seriously injured or killed. Always
fasten your seat belt properly and make sure all
passengers are properly secured too.
²Do not allow small children to operate the sun-
roof. Never allow fingers or other body parts, or
any object to project through the sunroof opening.
Injury may result.
Power Sunroof Switch
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Sunshade Operation
The sunshade can be opened manually. However, the
sunshade will open automatically as the sunroof opens.
NOTE:The sunshade cannot be closed if the sunroof is
open.
Wind Buffeting
Wind buffeting can be described as the perception of
pressure on the ears or a helicopter type sound in the
ears. Your vehicle may exhibit wind buffeting with the
windows down, or the sunroof (if equipped) in certain
open or partially open positions. This is a normal occur-
rence and can be minimized. If the buffeting occurs with
the rear windows open, open the front and rear windows
together to minimize the buffeting. If the buffeting occurs
with the sunroof open, adjust the sunroof opening to
minimize the buffeting or open any window.
Sunroof Maintenance
Use only a non-abrasive cleaner and a soft cloth to clean
the glass panel.
Ignition Off Operation
The power sunroof switches remain active for 10 minutes
after the ignition switch has been turned off. Opening
either front door will cancel this feature.
Sunroof Fully Closed
Press the switch forward and release to ensure that the
sunroof is fully closed.
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POWER OUTLETS
Front Power Outlet
To the left and right of the convenience tray (lower center
of instrument panel) is an outlet for electrically powered
accessories. Pull lightly on the tab of the plastic cover to
access the outlet.
Rear Power Outlet Ð If Equipped
The rear power outlet (if equipped) is located in the left
rear cargo area.
The rear power outlet is a direct feed from the battery and
will receive power whether the ignition is in the ON or
LOCK position. All accessories connected to this outlet
should be removed or turned off when the vehicle is not
in use to protect the battery against discharge.
Rear Power Outlet
158 UNDERSTANDING THE FEATURES OF YOUR VEHICLE

1. Flip up pull loop(s) so they are perpendicular (straight
up) to the top surface of the tray.
2. Pull up on loop(s) and twist 90 degrees, so they are
parallel to the slotted hole in tray.
3. Lift tray over loop(s), and reposition tray.
4. Pull up on loop(s) and twist 90 degrees, so they are
perpendicular (straight up) to the slotted hole in tray.
5. Push loop(s) back down, so they are parallel to the top
of the tray.
REAR WINDOW FEATURES
Rear Window Wiper/Washer Ð If Equipped
A switch on the right side of the steering column controls
operation of the rear wiper/washer function. Rotating
the switch up to the DEL (Delay) position or the ON
position will activate the wiper. Rotating the switch all
the way down will turn on the wash function. The washpump will continue to operate as long as the button is
pressed. Upon release, the wipers will cycle three times
before returning to the set position.
If the rear wiper is operating when the ignition is turned
OFF, the wiper will automatically return to the ªParkº
position.Windshield Wiper/Washer Switch
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