FORD 2012 F-550 v.3 - Manual (Page 154)

Disarming the system
You can disarm the system by any of the following actions:
• Unlock the doors by pressing the
control on your remote entry
transmitter.
• Turn the ignition to the on position with a programmed coded ignition
key.
• Unlock the doors by using your keyless entry pad.
• If using a key in the driver’s door to unlock the vehicle, a chime will
sound when you open the door and you will have 12 seconds to
disarm the alarm system using any of the actions above, otherwise the
alarm will trigger.
Pressing the power door unlock control within the 20 second prearmed
mode will return the vehicle to a disarmed state.
Triggering the anti-theft system
The armed system will be triggered if any door or hood is opened
without using the key or the remote entry transmitter.
Locks and Security
154
2012 F-250/350/450/550 (f23)
Owners Guide, 3rd Printing
USA (fus)