2010 Mercury Mariner ignition

Note:For all vehicles, the number of MYKEY(S) PROGRAMMED or
ADMIN KEYS PROGRAMMED that is displayed in the MyKey™ System
Status menus will include the remote start system as an additional key in
the total count. See theCheck MyKey™ system statussection.
Note:For all vehicles with remote start installed, it is possible to
program all original vehicle keys as MyKeys™, in which case, you will
need to use your remote start system to reset all MyKeys™ as Admin
keys by doing the following:
1. Enter the vehicle, close all doors.
2. Remote start the vehicle using your remote start fob.
3. Follow Steps 1-4 in theDisable MyKey™section.
Troubleshooting
Condition Potential Causes
Can’t create a MyKey™•Key in the ignition is already a
MyKey™
•Key in the ignition is the last
remaining Admin key (there always
has to be at least one Admin key)
•SecuriLock
passive anti-theft
system is disabled or in unlimited
mode
•Vehicle has been started using a
remote start system that is
programmed as MyKey™. Refer to
Using MyKey™ with remote start
systemssection.
Cannot program the MyKey™
optional settings•Key in the ignition is a MyKey™
•No MyKeys™ are programmed to
the vehicle. Refer toCreate a
MyKey™section
•Vehicle has been started using a
remote start system that is
programmed as MyKey™. Refer to
Using MyKey™ with remote start
systemssection.
Locks and Security
95
2010 Mariner(mrn)
Owners Guide, 2nd Printing
USA(fus)

Condition Potential Causes
Cannot disable MyKey™•Key in the ignition is a MyKey™
•No MyKeys™ are programmed to
the vehicle. Refer toCreate a
MyKey™section
•Vehicle has been started using a
remote start system that is
programmed as MyKey™. Refer to
Using MyKey™ with remote start
systemssection.
Lost the only Admin key•Purchase a new key from your
authorized dealer
Lost any key•For programming spare keys, refer
to theProgramming spare keys
section in this chapter.
I accidentally programmed all
keys as MyKeys™•Vehicle has a remote start system
that is recognized as an Admin key.
Refer to theUsing MyKey™ with
Remote start systemssection to reset
all MyKeys™ as Admin keys.
MyKey™ Programmed total
includes one additional key•Unknown key has been programmed
to the vehicle as a MyKey™.
•Vehicle is equipped with a remote
start system. Refer toUsing MyKey™
with Remote start systemssection.
Admin Keys Programmed total
includes one additional key•Unknown key has been programmed
to the vehicle as Admin key.
•Vehicle is equipped with a remote
start system. Refer toUsing MyKey™
with Remote start systemssection.
MyKey™ miles does not
accumulate•MyKey™ is not being used by the
intended user.
•MyKey™ system has been recently
cleared.
Locks and Security
96
2010 Mariner(mrn)
Owners Guide, 2nd Printing
USA(fus)

POWER DOOR LOCKS
•Press the
control to unlock all
doors.
•Press the
control to lock all
doors.
Door key unlocking/locking
Unlocking the doors
Turn the key in the door cylinder to unlock the driver’s door only. All
other doors will remain locked.
Locking the doors
Turn the key in the door cylinder to lock the driver’s door only.
Autolock
The autolock feature will lock all the doors, liftgate and liftgate window
when:
•all doors are closed,
•the ignition is in the on position,
•you shift into any gear putting the vehicle in motion, and
•the vehicle attains a speed greater than 12 mph (20 km/h).
The autolock feature repeats when:
•any door is opened then closed while the ignition is in the on position
and the vehicle speed is 9 mph (15 km/h) or lower, and
•the vehicle attains a speed greater than 12 mph (20 km/h).
Deactivating/activating autolock
Your vehicle comes with the autolock feature enabled. There are four
methods to enable/disable this feature:
•Through your authorized dealer, or
•Performing the power door lock control procedure, or
•Performing the keyless entry keypad procedure, or
•Performing the message center procedure.
Locks and Security
97
2010 Mariner(mrn)
Owners Guide, 2nd Printing
USA(fus)

Note:The autolock feature can be activated/deactivated independently
of the autounlock feature.
Before following the activation or deactivation procedures, make sure
that the anti-theft system is not armed, ignition is in the off position, and
all vehicle doors, liftgate and liftgate window are closed.
Power door unlock/lock procedure
You must complete Steps 1-5 within 30 seconds or the procedure will
have to be repeated. If the procedure needs to be repeated, you must
wait 30 seconds.
Note: Alldoors must be closed and remain closed throughout the
configuration process.
1. The ignition must be off to begin
sequence.
2. Turn the ignition to the on
position.
3. Press the power door unlock
control three times.
4. Turn the ignition from the on to
the off position.
5. Press the power door unlock control three times.
6. Turn the ignition back to the on position. The horn will chirp.
7. Press the unlock control, then press the lock control. The horn will
chirp once if autolock was deactivated or twice (one short and one long
chirp) if autolock was activated.
8. Turn the ignition to the off position. The horn will chirp once to
confirm the procedure is complete.
Keyless entry keypad procedure
1. Turn the ignition to the off position.
2. Close all doors, the liftgate and liftgate window.
3. Enter 5–digit entry code
4. Press and hold the 3•4. While holding the 3•4pressthe7•8.
5. Release the 7•8.
6. Release the 3•4.
The user should receive a horn chirp to indicate the system has been
disabled or a chirp followed by a honk to indicate the system has been
enabled.
Locks and Security
98
2010 Mariner(mrn)
Owners Guide, 2nd Printing
USA(fus)

Message center procedure
For information on activating/deactivating the autolock feature using the
vehicle’s message center, refer toMessage centerinformation in the
Instrument Clusterchapter.
Autounlock
The autounlock feature will unlock all the doors when:
•the ignition is in the on position, all the doors are closed, and the
vehicle has been in motion at a speed greater than 12 mph (20 km/h);
•the vehicle has then come to a stop and the ignition is turned to the
off or accessory position; and
•the driver door is opened within 10 minutes of the ignition being
transitioned to the off or accessory position.
Note:The doors will not autounlock if the vehicle has been
electronically locked before the driver door is opened.
Deactivating/activating autounlock
Your vehicle comes with the autounlock feature activated. There are four
methods to enable/disable this feature:
•Through your authorized dealer, or
•by using the power door unlock/lock sequence,
•Performing the keyless entry keypad procedure (if equipped), or
•Performing the message center procedure.
Note: The autounlock feature can be activated/deactivated
independently of the autolock feature.
Power door lock switch autounlock enable/disable procedure
Before starting, ensure the ignition is in the off position and all vehicle
doors are closed. You must complete Steps 1–5 within 30 seconds or the
procedure will have to be repeated. If the procedure needs to be
repeated, wait a minimum of 30 seconds before beginning again.
Locks and Security
99
2010 Mariner(mrn)
Owners Guide, 2nd Printing
USA(fus)

1. Place the key in the ignition and
turn the ignition to the on position.
2. Press the power door unlock
control on the door panel three
times.
3. Turn the ignition from the on
position to the off position.
4. Press the power door unlock control on the door panel three times.
5. Turn the ignition back to the on position. The horn will chirp one time
to confirm programming mode has been entered and is active.
6. To enable/disable the autounlock feature, press the lock control, then
press the unlock control. The horn will chirp once if autounlock was
deactivated or twice (one short and one long chirp) if autounlock was
activated.
7. Turn the ignition to the off position. The horn will chirp once to
confirm the procedure is complete.
Keyless entry keypad autounlock enable/disable procedure
1. Turn the ignition to the off position.
2. Close all doors.
3. Enter factory–set 5–digit entry code.
4. Press and hold the 3•4. While holding the 3•4, press and release
the 7•8. While still holding the 3•4, press and release the 7•8a
second time.
5. Release the 3•4.
The user should receive ahorn chirpto indicate the system has been
disabled or a chirp followed by a honk to indicate the system has been
enabled.
Message center procedure
For information on activating/deactivating the autounlock feature using
the vehicle’s message center, refer toMessage centerinformation in the
Instrument Clusterchapter.
Smart unlocking feature
The smart unlocking feature helps prevent you from locking yourself out
of the vehicle. With the key in any ignition position, the driver’s door will
automatically unlock if it is locked using the power lock control on the
driver’s door panel while the driver’s door is open.
Locks and Security
100
2010 Mariner(mrn)
Owners Guide, 2nd Printing
USA(fus)

The IKT allows you to:
•remotely unlock the vehicle
doors.
•remotely lock all the vehicle
doors.
•remotely open the power liftgate
glass.
•activate the personal alarm.
•operate the illuminated entry
feature.
The remote entry lock/unlock
feature operates in any ignition
position except while the key is held
in the start position. The panic
feature operates with the key in the off position.
If there are problems with the remote entry system, make sure to take
ALL Integrated Keyhead Transmitterswith you to the authorized
dealer in order to aid in troubleshooting the problem.
Two step door unlocking
1. Pressand release to unlock the driver’s door.Note:The interior
lamps will illuminate if the control on the overhead lamp is in the DOOR
position.
2. Press
and release again within three seconds to unlock the
passenger doors, the liftgate and liftgate glass.
One step door unlocking
If the one step door unlocking feature is activated, press
and release
once to unlock all of the doors, the liftgate and liftgate glass.Note:The
interior lamps will illuminate (refer to theIlluminated entryfeature
later in this section), if the control on the overhead lamp is in the DOOR
position.
Switching from two step to one step door unlocking
Unlocking can be switched between two step and one step door
unlocking by pressing and holding both
andbuttons
simultaneously on the remote entry transmitter for approximately four
seconds. The turn signal will flash twice to indicate that the vehicle has
switched to one step unlocking. Repeat the procedure to switch back to
two step unlocking.
Locks and Security
102
2010 Mariner(mrn)
Owners Guide, 2nd Printing
USA(fus)

Locking the doors
1. Pressand release to lock all the doors. Assuming all vehicle doors
and the liftgate are properly closed, the parking lamps will illuminate.
2. Press
and release again within three seconds to confirm that all the
doors and liftgate are closed and locked.Note:The doors will lock again
and the horn will chirp once.
If any of the doors or the liftgate are not properly closed, the horn will
chirp twice and turn lamps will not illuminate when the
control is
pressed.
Opening the liftgate glass (if equipped)
Presstwice within three seconds to open the liftgate glass.
Car finder
Press
twice within three seconds. The horn will chirp and the turn
lamps will flash. It is recommended that this method be used to locate
your vehicle, rather than using the panic alarm.
Sounding a panic alarm
Press
to activate the alarm. To deactivate the feature, press the
control again, turn the ignition to the on or start position, or wait for the
alarm to time out in approximately three minutes.
Note:The panic alarm will only operate when the ignition is in the off
position.
Replacing the battery
The Integrated Keyhead Transmitter uses one coin type three-volt
lithium battery CR2032 or equivalent.
Locks and Security
103
2010 Mariner(mrn)
Owners Guide, 2nd Printing
USA(fus)