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Auto-unlock
The auto-unlock feature will unlock all doors when:
•the ignition has been in the on position, all 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
accessory or off position, and
•the driver door is opened {within ten minutes after the ignition was
transitioned to the accessory or off position}.
Note:The vehicle doors will not auto-unlock if the vehicle has been
electronically locked prior to the driver door being opened.
Deactivating/activating the autolock or auto-unlock feature
Automatic door locks can also be turned on/off through the following
procedure:
You must complete Steps 1-7 within 30 seconds or the procedure will
have to be repeated. If the procedure needs to be repeated, you must
wait at least 30 seconds.Note:Before following the procedure, make
sure that the ignition is in the off position and all vehicle doors, the
hood, and the decklid are closed.
1. 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 to
the off position.
4. Press the power door unlock control three times.
5. Turn the ignition back to the on position.
6. The door locks will lock/unlock to confirm programming mode is
entered/active.
7. With the ignition still in the on position,for the autolock feature,
press the unlock control once then press the lock control once. The horn
will chirp once if autolock was deactivated or twice (one short and one
long chirp) if autolock was activated.For the auto-unlock feature,
press the lock control once, then press the unlock control once. The
horn will chirp once if auto-unlock was deactivated or twice (one short
and one long chirp) if auto-unlock was activated.
If any door, the hood, or the deck lid is open, the horn will chirp twice,
and the procedure will need to be performed again.
2009 Grand Marquis(grn)
Owners Guide(own2002), 2nd Printing
USA(fus)
Locks and Security
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Page 77 of 270

Unlocking the doors
1. Pressand release to unlock the driver’s door.Note:The interior
lamps will illuminate.
2. Press
and release again within five seconds to unlock all the doors.
Locking the doors
Pressonce to lock all the doors. Upon the first press the doors will
lock and the parklamps/taillamps will flash once.
Press
again within three seconds to receive confirmation that the
vehicle was successfully locked.Note:If all vehicle doors and the trunk
are closed upon the second press of the
, the horn will chirp once
and the parklamps/taillamps will flash once to confirm the successful
locking.
Upon the second press of the
, if any door or the trunk is not
securely closed the horn will chirp twice to warn that successfully
locking was not complete. The park/taillamps willnotflash if any door is
ajar.
Car finder
Press
twice within three seconds. The horn will chirp and the
parklamps/tail 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
on the remote transmitter to activate the alarm.
Note:The panic alarm only works with the ignition in the off position.
Press
a second time to deactivate the alarm. You may also deactivate
the alarm by turning the ignition to the on position.
Opening the trunk
Pressonce to open the trunk.
•Ensure that the trunk is closed and latched before driving your
vehicle. Failure to properly latch the trunk may cause objects to fall
out or block the driver’s rear view.
This feature will not work with a vehicle speed greater than 3 mph
(5 km/h) if the ignition is in the accessory or on position.
2009 Grand Marquis(grn)
Owners Guide(own2002), 2nd Printing
USA(fus)
Locks and Security
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Page 192 of 270
Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
3 10A* Powertrain Control Module (PCM)
keep alive power, Canister vent
4 20A* Fuel relay feed
5 10A* Rear Air Suspension Module
(RASM)
6 15A* Alternator regulator
7 30A* PCM relay feed
8 20A* Driver’s Door Module (DDM)
9 15A* Ignition coil relay feed
10 20A* Horn relay feed
11 15A* A/C clutch relay feed
12 20A* Audio (Subwoofer)
13 20A* Instrument panel power point
14 20A* Stop lamp switch
15 15A* Foglamps
16 20A* Heated seats
17 — Not used
18 — Not used
19 15A* Injectors
20 15A* PCM
21 15A* Powertrain loads and sensors
22 — Not used
23 — Not used
24 10A* Heated mirror, Rear defrost
indicator
101 40A** Blower relay feed
102 50A** Cooling fan
103 50A** Instrument panel (I/P) fuse box
feed #1 (I/P fuses 10, 12, 14, 16
and 18)
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
104 50A** Instrument panel (I/P) fuse box
feed #2 (I/P fuses 2, 4, 6, 8, 19,
21, 23 and 25)
105 30A** Starter relay feed
106 40A** Anti-lock Brake System (ABS)
module (Pump)
107 40A** Rear defroster relay feed
108 20A** Cigar lighter
109 20A** ABS module (Valves)
110 30A** Wiper module
111 — Not used
112 30A** Air suspension compressor
113 — Not used
114 — Not used
115 — Not used
116 — Not used
117 — Not used
118 — Not used
201
1 2ISO relay A/C clutch
202 — Not used
203
1 2ISO relay Ignition coil
204
1 2ISO relay PCM
205
1 2ISO relay Foglamps
206
1 2ISO relay Fuel
207 — Not used
208 — Not used
209
1 2ISO relay Horn
301 Full ISO relay Starter
302 Full ISO relay Air compressor
303 Full ISO relay Blower
304 Full ISO relay Rear defrost relay
2009 Grand Marquis(grn)
Owners Guide(own2002), 2nd Printing
USA(fus)
Roadside Emergencies
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