Answer
Feb 24, 2025 - 08:26 AM
2001 Mercury Grand Marquis Keyless Entry Remote Fob Programming Instructions
- Obtain all remote transmitters including existing working remotes.
- Turn the ignition from OFF to RUN 4 times within 3 seconds.
- Doors should lock then unlock indicating that the vehicle is in the programming mode.
- Within 7.5 seconds: Press any button on the first remote transmitter.
- Doors should lock then unlock.
- Within 7.5 seconds:
- Press any button on the second remote transmitter.
- Doors should lock then unlock.
- Within 7.5 seconds:
- Repeat step 4 for for all other remotes
- Wait 7.5 seconds and then turn ignition OFF
- Wait 20 seconds and then confirm programming by locking and unlocking vehicle.
Please note: a maximum of 4 remote transmitters can be programmed to the same vehicle.
2001 Mercury Grand Marquis Key Programming Instructions
You must have 2 original Ford keys that start your engine to perform this procedure. If you only have one working key or none at all it must be programmed by a dealer or locksmith! Your New third (unprogrammed) key must also be cut prior to performing this procedure. Please Note: If one of your keys is a cloned key from a hardware store this procedure will NOT work. This procedure requires original programmed keys.
- Insert an existing (working) key into the ignition cylinder.
- Turn the ignition cylinder ON (just shy of starting the car Without cranking the engine) and back to OFF. Ignition should stay in ON position for at least one second.
- Remove the existing key and WITHIN TEN SECONDS, insert a second working key and turn to ON and then back to OFF. Ignition must be on for at least one second but no more than ten seconds. Remove key.
- Insert the New (unprogrammed) key before twenty seconds have elapsed and turn to ON. Leave it in the ON position for at least one second and turn back to OFF.
- The security light will light up for THREE seconds to indicate the new key has been successfully programmed.
For those who do not have 2 original keys: These keys can NOT be programmed at hardware stores like Ace, Lowes, Walmart, & Home Depot. They must be programmed by an automotive locksmith or dealership.