Autolock; Relock; Deactivating/Activating The Autolock Feature - Mercury Grand Marquis 1998 Owner's Manual

Controls and features
2. Within 5 seconds, press and hold control 7/8.
3. Within 5 seconds (while holding down control 7/8), press and release
control 1/2.
4. Release control 7/8.
The door will lock/unlock to confirm the horn chirp feature has been
disabled. Once disabled, the feature can be enabled by repeating the
same sequence.

Autolock

This feature automatically locks all doors when:
• all vehicle doors are closed
• the ignition is in the ON position
• you shift into or through R (Reverse)
• the brake pedal is released.

Relock

The autolock feature repeats when:
• any door is opened and closed
• the brake pedal is released.

Deactivating/activating the autolock feature

Before following the procedure, make sure that the ignition is OFF and
all vehicle doors are closed.
You must complete steps 1-5 within 30 seconds or the procedure will
have to be repeated. If the procedure needs to be repeated, you must
wait 30 seconds.
1. Turn the ignition key to ON.
2. Press the power door unlock control three times.
3. Turn the ignition key from ON to OFF.
4. Press the power door unlock control three times.
5. Turn the ignition back to ON. The horn will chirp.
6. Press the unlock control, then press the lock control. The horn will
chirp once if autolock was deactivated or twice (one short and one long
chirp) if autolock was activated.
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