Jeep 2008 Grand Cherokee - Manual (Page 20)

NOTE: If a programmed key is lost, see your dealer to
have all remaining keys erased from the systems
memory. This will prevent the lost key from starting your
vehicle. The remaining keys must then be repro-
grammed. All vehicle keys must be taken to the dealer at
the time of service to be reprogrammed.
General Information
The Sentry Key system complies with FCC rules part 15
and with RSS-210 of Industry Canada. Operation is
subject to the following conditions:
• This device may not cause harmful interference.
• This device must accept any interference that may be
received, including interference that may cause undes-
ired operation.
SECURITY ALARM SYSTEM — IF EQUIPPED
This system monitors the vehicle doors, liftgate, liftgate
flipper glass, and ignition for unauthorized operation
and movement inside of the vehicle. When the alarm is
activated, the system provides both audible and visual
signals. The horn will sound repeatedly for three minutes
and the headlights and taillights will flash for an addi-
tional 15 minutes.
To Set the Alarm
The alarm will set when you use the remote keyless entry
transmitter to lock the doors and liftgate or when you use
the power door lock switch while the door is open. After
all the doors are locked and closed, a red light (located in
the instrument cluster) will flash rapidly for about 16
seconds to signal that the system is arming. During this
16 second pre-arm period, opening any door or the
liftgate will cancel the arming. If the system successfully
arms, the red light will flash at a slower rate to indicate
the alarm is set. A manual lock of the doors, either with
20 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE