2004 Mercury Grand Marquis program

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Page 76 of 240

Mercury Grand Marquis 2004  Owners Manuals 7. After a five to ten second delay, the door locks will cycle lock/unlock
to confirm successful programming.
8. After having waited the necessary time for the programming to
confirm, turn the ignitio

Page 77 of 240

Mercury Grand Marquis 2004  Owners Manuals To replace the battery:
1. Twist a thin coin between the two
halves of the remote entry
transmitter near the key ring. DO
NOT TAKE THE RUBBER COVER
AND CIRCUIT BOARD OFF THE
FRONT HOUSING OF THE
REMOT

Page 78 of 240

Mercury Grand Marquis 2004  Owners Manuals Replacing lost transmitters
Take all your vehicle’s transmitters
to your dealer if service is required.
If a remote transmitter has been lost
and you would like to remove it
from the vehicle’s mem

Page 80 of 240

Mercury Grand Marquis 2004  Owners Manuals 6. The door locks will lock/unlock to confirm programming mode is
entered/active.
7. With the ignition still in the ON position, press the unlock control
once. After a five to ten second delay, the do

Page 81 of 240

Mercury Grand Marquis 2004  Owners Manuals 3. Enter your personal 5-digit code. Each number must be entered
within five seconds of each other.
4. Press 1•2 to store the first personal code.
5. The doors will lock then unlock to confirm progr

Page 82 of 240

Mercury Grand Marquis 2004  Owners Manuals 3. Press and hold 1•2 for two seconds. All of the vehicle doors will lock
and then unlock to confirm erasure.
Unlocking the doors and releasing the trunk with the keyless entry
system
To unlock the

Page 83 of 240

Mercury Grand Marquis 2004  Owners Manuals Automatic arming
The vehicle is armed immediately
after switching the ignition to the 3
(OFF) or 2 (LOCK) position. The
indicator on the instrument panel
will flash every two seconds when
the vehicle

Page 84 of 240

Mercury Grand Marquis 2004  Owners Manuals If your keys are lost or stolen you will need to do the following:
•Use your spare key to start the vehicle, or
•Have your vehicle towed to a dealership or a locksmith. The key codes
will need to
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