2004 Mercury Grand Marquis Lock

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Page 75 of 240

Mercury Grand Marquis 2004  Owners Manuals Unlocking the doors
Press this control to unlock the
driver’s door. The interior lamps will
illuminate.
Press the control a second time
within five seconds to unlock all
doors.
Locking the doors
Pre

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 79 of 240

Mercury Grand Marquis 2004  Owners Manuals The system automatically turns off after 25 seconds after the UNLOCK
button on the remote transmitter is pressed or when the ignition is
turned to the START or ACC position.
The inside lights will not

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