3. Turn the ignition to the 1 (LOCK) position and remove the first
coded
key
from the ignition.
4. Within ten seconds of turning the ignition to the 1 (LOCK) position,
insert the second previously
coded key
into the ignition.
5. Turn the ignition from the 1 (LOCK) position to the 3 (RUN) position.
Keep the ignition in the 3 (RUN) position for at least three seconds, but
no more than 10 seconds.
6. Turn the ignition to the 1 (LOCK) position and remove the second
previously programmed
coded key
from the ignition.
7. Within twenty seconds of turning the ignition to the 1 (LOCK)
position and removing the previously programmed
coded key,
insert the
new unprogrammed key (new key/valet key) into the ignition.
8. Turn the ignition from the 1 (LOCK) position to the 3 (RUN) position.
Keep the ignition in the 3 (RUN) position for at least three seconds but
not more than 10 seconds.
9. Remove the newly programmed
coded key
from the ignition.
If the key has been successfully programmed it will start the vehicle’s
engine and the theft indicator light will illuminate for three seconds and
then go out.
If the key was not successfully programmed, it will not start your
vehicle’s engine and the theft indicator light will flash on and off; you
may need to repeat Steps 1 through 5. If failure repeats, bring your
vehicle to your dealer to have the new key(s) programmed.
To program additional new unprogrammed key(s), wait twenty seconds
and then repeat this procedure from Step 1.
PERIMETER ALARM SYSTEM (IF EQUIPPED)
The perimeter anti-theft system will warn you in the event of an
unauthorized entry to your vehicle.
If there is any potential perimeter anti-theft problem with your vehicle,
ensure
ALL remote entry transmitters
are taken to the dealership to
aid in troubleshooting.
2005 Mercury Mariner
(mrn)
Owners Guide (post-2002-fmt)
USA_English
(fus)
Locks and Security
88
