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HOMESERVICE MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1002 (HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS)GENERAL PROCEDURESAUTOLOCK AND HORN CHIRP PROGRAMMINGAUTOLOCK PROGRAMMING USING THE KEYLESS ENTRY KEYPAD PROCEDURE (IF EQUIPPED)
2010 Mercury Mariner Hybrid, AWD

Autolock Programming Using the Keyless Entry Keypad Procedure (If Equipped)

2010 Mercury Mariner Hybrid, AWDSECTION Autolock Programming Using the Keyless Entry Keypad Procedure (If Equipped)
WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the ignition to the OFF position.
  2. Close all the doors, the liftgate and the liftgate glass.
  3. Enter the 5-digit permanent entry code on the keyless entry keypad.
  4. Within 5 seconds of entering the code, press and hold the 3/4 button on the keypad. While holding the 3/4 button, press the 7/8 button.
  5. Release the 7/8 button, then release the 3/4 button. The horn will chirp once to indicate autolock is disabled. If the horn chirps twice (chirp followed by a honk), the autolock feature has been enabled.
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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.