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Home >> Mercury >> 2009 >> Mariner Base, 2.5 7, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 118 (Handles, Locks, Latches & Entry Systems) >> General Procedures >> AUTOLOCK & Horn Chirp Programming >> Auto-Unlock

Auto-Unlock

WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: This procedure must be completed within 30 seconds.
  1. Close all the doors.
  2. Turn the key to the OFF position.
  3. Turn the key to the RUN position.
  4. Press the UNLOCK button 3 times.
  5. Turn the key the OFF position.
  6. Press the UNLOCK button 3 times.
  7. Turn the key to the RUN position. The doors lock and unlock to confirm entry into program mode.
  8. Press the LOCK then the UNLOCK button once to toggle the auto-unlock feature on or off. The horn chirps once to confirm toggling of the auto-unlock if any doors, the hood or the luggage compartment are open and chirps twice if all openings are closed.
  9. Exit program mode by turning the key to the OFF position.
  10. Drive the vehicle to confirm auto-unlock status.