Ford 2002 Excursion Owner's Manual page 125

Locks and security
The SecuriLock passive anti-theft system is not compatible with
non-Ford aftermarket remote start systems. Use of these systems may
result in vehicle starting problems and a loss of security protection.
Automatic arming
The vehicle is armed immediately
after switching the ignition to the 3
4
THEFT
(OFF) position. The light in
3
the instrument cluster will flash
5
every two seconds when the vehicle
is armed.
2
1
Automatic disarming
Switching the ignition to the 4 (ON) position with a coded key disarms
THEFT
the vehicle. The light will illuminate for three seconds and then
THEFT
go out. If the light stays on for an extended period of time or
flashes rapidly, have the system serviced by your dealership or a
qualified technician.
Key information
Your vehicle is supplied with two
coded keys. Only a coded key will
start your vehicle. Spare coded keys
can be purchased from your
dealership. Your dealership can
program your key or you can "do it
yourself", refer to Programming
spare keys.
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