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Wednesday, March 2, 2011

grand marquis gs factory keypad code reprogramming?

n the back of your manual there should be a plastic card with the factory unlock code on it. If you have this, it's easy.


Programming Your Own Personal '''Entry Code

1. Enter the factory-set code ('''keypad will illuminate when first digit is pressed).
2. Press the 1/2 control within five seconds of step 1.
3. Enter your personal 5-digit code. Enter each digit within five seconds of the previous one.

Your personal code does '''not replace the factory-set code. You can use either code to unlock your vehicle. Each time you set a new personal code the module will erase the previous one in favor of the new code. The factory-set code can '''not be erased.

Erasing Your Personal Code or A Prior Owner's Code
1. Enter the factory-set code.
2. Press the 1/2 control within five seconds of step one 1.
3. Press the 7/8 and 9/0 controls at the same time within five seconds of step two.
The system will now only respond to the factory-set code.

Unlocking the Doors
1. Enter either the factory-set code or the personal code (Each digit must be pressed within five seconds of the prior digit). The interior lights will illuminate as soon as the first valid digit is pressed.
2. To unlock all the doors, enter the factory set code or a personal code and press the 3/4 control within five seconds of the drivers door unlocking.

Locking the Doors
1. Press 7/8 and 9/0 controls at the same time. The 5-digit code does '''not have to be entered to lock the doors.

Deactivating/Activating Auto-lock
1. Enter the five 5-digit code.
2. Press and hold 7/8 control.
3. Press and release 3/4 control while holding 7/8 control.
4. Release 7/8 control.
The horn will chirp once if auto-lock was deactivated or twice if auto-lock was activated.


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