Mercury 2009 Grand Marquis Owner's Manual page 76

Locks and Security
2. Do not wipe off any grease on the
battery terminals on the back
surface of the circuit board.
3. Remove the old battery.
Note: Please refer to local
regulations when disposing of
transmitter batteries.
4. Insert the new battery. Refer to
the diagram inside the remote entry
transmitter for the correct
orientation of the battery. Press the battery down to ensure that the
battery is fully seated in the battery housing cavity.
5. Snap the two halves back together.
Note: Replacement of the battery will not cause the remote transmitter
to become deprogrammed from your vehicle. The remote transmitter
should operate normally after battery replacement.
Replacing lost transmitters
Take all your vehicle's transmitters to your authorized dealer if service is
required.
If a remote transmitter has been lost and you would like to remove it
from the vehicle's memory, or you would like to purchase additional
remote transmitters and have them programmed to your vehicle:
• Take all your vehicle's transmitters to your authorized dealer for
programming, or
• Perform the following programming procedure yourself:
Note: Ensure the brake pedal is not
3
depressed during this sequence.
Place the key in the ignition and
2
cycle from 1 (off) to 3 (on) eight
4
times in rapid succession within
10 seconds. After doors lock/unlock,
press any control on all transmitters
(up to four). After pressing the
1
control on each remote transmitter,
the door will lock and unlock. If
programming multiple remote transmitters, you must press the control
buttons on each remote transmitter within seven seconds of each other
to remain in programming mode. When completed, turn the ignition to 1
(off).
76
2009 Grand Marquis (grn)
Owners Guide, 1st Printing
USA (fus)