2002 Mercury Grand marqui

Asked by Deborah Dec 29, 2015 at 03:57 PM about the 1982 Mercury Marquis

Question type: Maintenance & Repair

Car want start inertia switch reset. Horn
blows  when trying to start. What can I
check next

2 Answers

210,545

The horn goin off is the anti thieft system in active mode, try using the key to lock and then unlock the drivers door, if that didn't work then try pushing the 7/8 and the 9/0 keyless buttons at the same time, you should hear the doors lock, then put in your unlock code, that should turn off the alarm. HTH

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