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HOMESERVICE MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 395 (HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS)GENERAL PROCEDURESAUTOLOCK AND HORN CHIRP PROGRAMMINGUSING THE IGNITION LOCK CYLINDER
2010 Mercury Mariner Hybrid, AWD

Using the Ignition Lock Cylinder

2010 Mercury Mariner Hybrid, AWDSECTION Using the Ignition Lock Cylinder
WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
  1. Close all doors.
  2. Confirm that the key is in the OFF position.
  3. Turn the key from OFF to ON.
    4. NOTE: Steps 4 through  8 must be carried out within 30 seconds.
  4. Press the door lock control switch UNLOCK button 3 times.
  5. Turn the key from ON to OFF.
  6. Press the door lock control switch UNLOCK button 3 times.
  7. Turn the key from OFF to ON.
  8. Verify that the horn chirps. This indicates the system is in the enable/disable mode and is ready to accept program changes.
  9. Press the door lock control switch UNLOCK button once, then the LOCK button once to toggle the autolock feature ON/OFF.
  10. Verify that the horn chirps 1 time. There should be only one chirp indicating that the autolock/relock feature is disabled. If 1 chirp is heard, followed by a longer sound of the horn, the autolock feature has just been enabled. Return to Step  9.
  11. Turn the key to the OFF position to exit the enable/disable mode.
  12. Exit the vehicle and verify that the horn chirps once to indicate that a feature is changed and that autolock has been enabled/disabled.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.