Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Using the Ignition Lock Cylinder
2010 Mercury Mariner Hybrid, AWDSECTION Using the Ignition Lock Cylinder
WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The autolock feature is not available on vehicles equipped with manual transmissions.
- Close all the doors.
- Confirm that the ignition switch is in the OFF position.
- Turn the ignition switch from OFF to ON.
- Press the door lock control switch UNLOCK button 3 times.
- Turn the ignition switch from ON to OFF.
- Press the door lock control switch UNLOCK button 3 times.
- Turn the ignition switch from OFF to ON.
- Verify that the horn chirps. This indicates the system is in the enable/disable mode and is ready to accept program changes.
- Press the door lock control switch UNLOCK button one time to toggle the autolock/relock feature OFF.
- Press the door lock control switch LOCK button once to enter the command.
- Verify that the horn chirps 1 time. There should only be 1 chirp indicating that autolock/relock feature is disabled. If 1 chirp is heard, followed by a longer sound of the horn, the autolock/relock feature has been enabled. Return to Step 9.
- Turn the ignition switch to the OFF position to exit the enable/disable mode.
- Exit the vehicle and verify that the horn chirps once to indicate that a feature has been changed and that autolock/relock is disabled.
NOTE:
Steps 4 through 8 must be carried out within 30 seconds.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.