Here are the programming instructions for a 2005 Mercury Grand Marquis Key Fob Remote. If you need an extra Key Fob or Replacement Fob for any vehicle you might have visit us at Keylessentryremotefob.com You can also leave comments or suggestions at the bottom of this blog and if you like what we provide please forward on to your friends & family; people like you are our best advertising tool!
ORDER THIS REMOTE PART NUMBER HERE: CWTWB1U343
1. Turn ignition from Off to Run 8 times ending in Run ( Do not start the car, run position is just before the vehicle will start Off is turned all the way back when the key can be removed from the ignition ). Must be Performed within 10 seconds. Locks will cycle signaling entering into programming mode. Keep foot off brake pedal.
2. Press any button on the remote being programmed, locks cycle confirming programming. Repeat this step for any addition remotes.
3. Turn key to off, locks will cycle to end programming mode.
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