key battery Mercury Grand Marquis 2003 Owner's Manuals

To replace the battery:
1. Twist a thin coin between the two
halves of the transmitter near the
key ring. DO NOT TAKE THE
FRONT PART OF THE
TRANSMITTER APART.
2. Place the positive (+) side of new
battery in the same orientation.
Refer to the diagram inside the
transmitter unit.
3. Snap the two halves back
together.
Replacement of the battery willnotcause the remote transmitter to
become deprogrammed from your vehicle. The remote transmitter should
operate normally after battery replacement.
Replacing lost transmitters
Take all your vehicle’s transmitters
to your dealer if service is required.
If a remote transmitter has been lost
and you would like to remove it
from the vehicle’s memory, or you
would like to purchase additional
remote transmitters and have them
programmed to your vehicle:
•Takeallyour vehicle’s
transmitters to your dealer for
programming, or
•Perform the following programming procedure yourself.
Place the key in the ignition and
turn from 2 (LOCK) to 3 (OFF) and
cycle between 3 (OFF) and 4 (ON)
four times in rapid succession within
3 seconds. After doors lock/unlock,
press any control on all transmitters
(up to four). When completed, turn
the ignition to 3 (OFF).
All transmittersmustbe
programmed at the same time.
3
1
2
5
4
2003 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA English(fus)
Locks and Security
97

Illuminated entry
The interior lamps illuminate:
•when the remote entry system is used to unlock the door(s) or sound
the panic alarm, or
•when the driver door is unlocked using the key in the driver door key
cylinder.
The system automatically turns off after 25 seconds after the UNLOCK
button on the remote transmitter is pressed or when the ignition is
turned to the START or ACC position.
The inside lights will not turn off if:
•they have been turned on with the dimmer control, or
•any door is open.
The battery saver will shut off the interior lamps 30 minutes after the
last door is closed or after 10 minutes if the door is left open.
Autolock (if equipped)
This feature automatically locks all vehicle doors when:
•all doors are closed,
•the ignition is in the ON position,
•the brake pedal is depressed,
•you shift into any gear.
Relock
The autolock feature repeats when:
•ignition is in RUN
•a door is opened and closed
•the transmission is placed in reverse (R) or any drive gear, and then
•the brake pedal is depressed and then released
Deactivating/activating the autolock feature
Before following the procedure, make sure that the ignition is OFF and
all vehicle doors are closed.
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 30 seconds.
2003 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA English(fus)
Locks and Security
98

SERVICE RECOMMENDATIONS
To help you service your vehicle:
•We highlight do-it-yourself items in the engine compartment for easy
location.
•We provide a scheduled maintenance guide which makes tracking
routine service easy.
If your vehicle requires professional service, your dealership can provide
the necessary parts and service. Check yourWarranty Guide/Owner
Information Guideto find out which parts and services are covered.
Use only recommended fuels, lubricants, fluids and service parts
conforming to specifications. Motorcraft parts are designed and built to
provide the best performance in your vehicle.
PRECAUTIONS WHEN SERVICING YOUR VEHICLE
•Do not work on a hot engine.
•Make sure that nothing gets caught in moving parts.
•Do not work on a vehicle with the engine running in an enclosed
space, unless you are sure you have enough ventilation.
•Keep all open flames and other burning (cigarettes) material away
from the battery and all fuel related parts.
Working with the engine off
1. Set the parking brake and shift to P (Park).
2. Turn off the engine and remove the key.
3. Block the wheels.
Working with the engine on
1. Set the parking brake and shift to P (Park).
2. Block the wheels.
Note:Do not start your engine with the air cleaner removed and do not
remove it while the engine is running.
2003 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA English(fus)
Maintenance and Specifications
Maintenance and Specifications
196