Triggering The Anti-Theft System - Ford Lincoln Navigator Owner's Manual

• 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, the hood or the liftgate is opened without using the keypad
or the remote entry transmitter portion of your IKT.
• The ignition is turned to the on position with an invalid
unprogrammed SecuriLock™ key or IKT.
2009 Navigator (nav)
Owners Guide, 1st Printing
USA (fus)
Locks and Security
151