I'm trying to program a new fob, but my door locks don't cycle when I turn the key from off to run 4 times. I've tried several times doing it as fast as I can to meet the 3 second requirement. Any idea why my door locks won't cycle? Thanks.

Asked by Nov 26, 2015 at 01:35 PM about the 2004 Mercury Grand Marquis GS

Question type: Maintenance & Repair

1 Answer

72,315

You need to turn it 8 times for the locks to cycle and enter the programming mode. HTH. -Jim

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