change key battery Mercury Villager 1999 Owner's Manuals

This device complies with part 15 of the FCC rules and with RS-210 of
Industry Canada. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and (2) This device
must accept any interference received, including interference that may
cause undesired operation.
Changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to
operate the equipment.
Illuminated entry
The interior lamps illuminate when the remote entry system is used to
unlock the door(s) or sound the panic alarm.
The system automatically turns off after 15 seconds or when the ignition
is turned to the RUN position.
The inside lights will not turn off if:
²they have been turned on with the headlamp control or
²any door is open.
The battery saver will shut off the interior lamps after 30 minutes if the
front door is left open or after 60 minutes if the liftgate is left open.
Illuminated exit
The interior lights will illuminate when the key is removed from the
ignition.
The system automatically turns off after 25 seconds or when the driver's
door is opened.
Replacing the battery
The transmitter is powered by one coin type three-volt lithium battery.
Typical operating range will allow you to be up to 10 meters (33 feet)
away from your vehicle. A decrease in operating range can be caused by:
²weather conditions
²nearby radio towers
²structures around the vehicle
²other vehicles parked next to the vehicle
Controls and features
102