Mercury Grand Marquis 2002 - Manual (Page 103)

Automatic arming
The vehicle is armed immediately
after switching the ignition to the 3
(OFF) or 2 (LOCK) position. The
indicator light on the instrument
panel will flash every two seconds
when the vehicle is armed.
Automatic disarming
Switching the ignition to the 4 (ON) position with a coded key disarms
the vehicle. The indicator light on the instrument will illuminate for three
seconds and then 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.
3
2
1
5
4
Locks and Security
103