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Autolock feature (if equipped)
The autolock feature will lock all the doors when:
• all the doors are closed,
• the ignition is in the on position,
• you shift into any gear putting the vehicle in motion, and
• the vehicle attains a speed greater than 12 mph (20 km/h) for greater
than two seconds.
The autolock feature repeats when:
• any door is opened then closed while the ignition is in the on position
and the vehicle speed is 9 mph (15 km/h) or lower, and
• the vehicle then attains a speed greater than 12 mph (20 km/h) for
greater than two seconds.
Deactivating/activating autolock feature
There are four methods to enable/disable this feature:
• Through your authorized dealer,
• by using a power door unlock/lock procedure,
• using a keypad procedure (if equipped), or
• or by using the instrument cluster message center (if equipped). Refer
to Optional message center in the Driver controls chapter.
Note: The autolock feature can be activated/deactivated independently
of the autounlock feature.
Power door lock switch autolock enable/disable procedure
Before starting, ensure the ignition is in the off position 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, wait a minimum of 30 seconds before beginning again.
1. Place the key in the ignition and
turn the ignition to the on position.
2. Press the power door unlock
control on the door panel three
times.
3. Turn the ignition from the on
position to the off position.
4. Press the power door unlock control on the door panel three times.
Locks and Security
149
2010 F-250/350/450/550 (f23)
Owners Guide, 1st Printing
USA (fus)