The 2001 Mercury Grand Marquis comes with a preprogrammed keyless-entry code from the factory. The vehicle does allow you to program an additional custom code. If you are worried that someone knows your code, or if you have forgotten it, you can reset the custom code by clearing it out and programming a new custom code. The original factory code is required to reset the custom code.Skill level:Moderately EasyInstructions1 Locate your Grand Marquis' factory reset code. This is the permanent keyless-entry code that comes with the vehicle from the factory.

1. Program Keyless Remote Ford
2. 1999 Mercury Grand Marquis Key Programming
3. Reprogram Door Code Grand Marquis

Sharepoint foundation 2013 for windows 7. It is written on a credit-card-size slip in your owner's books in the glove box. If you cannot find it, you'll need to visit a Ford/Lincoln/Mercury dealer to have the dealer retrieve it for you.2 Close the driver-side door and stand in front of it, near the keyless-entry pad.

Enter your factory-reset code on the door pad. Press the '1-2' button within 5 seconds of inputting the code.3 Push and hold the '1-2' button for about two seconds, or until the Grand Marquis' doors lock and unlock. This erases the previous code. You can now program a new code.4 Input the factory-reset code on the pad again. Push the '1-2' button within 5 seconds of inputting the code.5 Input the five-digit code that you want to use. This is your new custom code.

Program Keyless Remote Ford

This is a Factory Original Equipment O.E.M. Keyless remote control transmitter.

1999 Mercury Grand Marquis Key Programming

Specifications ConditionPre-Owned 214o8FCC IDCWTWB1U313Part#Old P/N: 3W73-15K601-AA,F8AB-15K601-AA CAN: 1788 102 352 P/N 3080Dealer part #3W7Z-15K601-AAButtons4: Lock, Unlock, Trunk, PanicFrequency315 MHzBattery Type1: CR2032Additional Information Compatible / Interchangeable with:FCC ID's: CWTWB1U313 CWTWB1U311.All vehicles that use this remote are onboard programmable except the 1998 Mercury Grand Marquis. For that year you will need an automotive locksmith to program the vehicle to accept the remote.Please note: The 'dog-bone' shaped remote control (FCC ID# LHJ002 / P/N: 3040) with Memory Recall #1 / #2 has been discontinued; this remote replaces the old one. Compatible / Interchangeable with CWTWB1U313 CWTWB1U311Condition Explanation: Pre-OwnedPre-Owned: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. Scroll through listing for full details and description of any imperfections.

Reprogram Door Code Grand Marquis

All remotes include working batteries (except case-only purchases). A purchased remote needs to be programmed after you receive it in order to work with your specific vehicle.