FORD 2002 Explorer v.1 - Manual (Page 125)

The user should receive two horn chirps to indicate the system had
been altered.
Pressing the power door UNLOCK control button two times again will
toggle the Autolock/Relock states.
• Turn ignition to OFF to exit.
PERIMETER ALARM SYSTEM (IF EQUIPPED)
The perimeter anti-theft system will help prevent your vehicle from
unauthorized entry.
If there is any potential perimeter anti-theft problem with your vehicle,
ensure ALL key fobs (remote entry transmitters) are brought to the
dealership, to aid in troubleshooting.
Arming the system
When armed, this system will help protect your vehicle from
unauthorized entry. When unauthorized entry occurs, the system will
flash the headlamps and/or parking lamps, and will chirp the horn.
The system is ready to arm whenever the key is removed from the
ignition. Any of the following actions will prearm the alarm system:
• Press the remote entry lock
control (doors opened or closed).
Controls and features
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