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• the ignition is in the 3 (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 2 seconds.
The autolock feature repeats when:
• any door is opened then closed while the ignition is in the 3 (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 2 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 1 (OFF/LOCK) 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 3 (ON)
position.
2. Press the power door unlock
control on the door panel three
times.
3. Turn the ignition from the 3 (ON)
position to the 1 (OFF/LOCK)
position.
4. Press the power door unlock control on the door panel three times.
5. Turn the ignition back to the 3 (ON) position. The horn will chirp one
time to confirm programming mode has been entered and is active.
2008 F-250/350/450/550 (f23)
Owners Guide (post-2002-fmt)
USA (fus)
Locks and Security
137