erase keyless code Mercury Grand Marquis 2001 Owner's Manuals

Erasing personal code
To erase all of the personal entry codes programmed to a vehicle:
1. Enter the factory-set code.
2. Press and release 1/2 within 5
seconds of step 1.
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 driver door, enter either the factory-set code or personal
code (each digit pressed within 5 seconds of prior digit). The interior
lamps will illuminate.
To unlock all doors, enter the
factory-set code or personal code
(driver door unlocks) and press 3/4
within five seconds.
To release the trunk, enter the
factory-set code or personal code
(driver door unlocks) and press 5/6
within five seconds.
After the factory-set code or personal code has been entered, you can
unlock all doors (press 3/4) and release the trunk (press 5/6) as long as
the controls are pressed within 5 seconds of each other.
123
45678
90
123
45678
90
123
45678
90
Controls and features
95