Ford 1996 Crown Victoria Manual page 122

Remote entry transmitter
Unlocking the doors and opening the trunk
To unlock the driver's door, press the UNLOCK
button.
To unlock the other doors, press the UNLOCK
button a second time within five seconds of
unlocking the driver's door.
To open the trunk, press the TRUNK button
twice within five seconds.
Locking the doors
To lock all the doors, press the LOCK button.
The doors will lock and the horn will chirp to
indicate the vehicle is locked.
The door lock Horn Chirp is a programmable
feature. To deactivate the Horn Chirp feature:
1. Enter your permanent five-digit code (not
the user code you may have set).
2. Within five seconds, press and hold 7/8.
3. Within five more seconds, press and release
1/2.
4. Release 7/8.
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