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HOMESERVICE MANUALSMERCURY2011MARINER PREMIER, 2.5 7, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSHANDLES, LOCKS, LATCHES & KEYLESS ENTRY SYSTEMGENERAL PROCEDURESAUTOLOCK AND AUTO-UNLOCK PROGRAMMINGAUTO-UNLOCK PROGRAMMING USING THE KEYLESS ENTRY KEYPAD PROCEDURE (IF EQUIPPED)
2011 Mercury Mariner Premier, 2.5 7, AWD

Auto-Unlock Programming Using the Keyless Entry Keypad Procedure (If Equipped)

2011 Mercury Mariner Premier, 2.5 7, AWDSECTION Auto-Unlock Programming Using the Keyless Entry Keypad Procedure (If Equipped)
NOTE: The auto-unlock feature is not available on vehicles equipped with a manual transmission.
  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 and release the 7/8 button twice.
  5. Release the 3/4 button. The horn will chirp once to indicate auto-unlock is disabled. If the horn chirps twice (chirp followed by a honk), the auto-unlock feature has been enabled.
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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.