2010 Mercury Grand Marquis Owner Guide 2nd Printing - Page 82

Locks and Security Replacing the battery The remote entry transmitter uses one coin type three-volt lithium battery CR2032 or equivalent. To replace the battery: 1. Twist a thin coin between the two halves of the remote entry transmitter near the key ring. DO NOT TAKE THE RUBBER COVER AND CIRCUIT BOARD OFF THE FRONT HOUSING OF THE REMOTE ENTRY TRANSMITTER. 2. Do not wipe off any grease on the battery terminals on the back surface of the circuit board. 3. Remove the old battery. Note: Please refer to local regulations when disposing of transmitter batteries. 4. Insert the new battery. Refer to the diagram inside the remote entry transmitter for the correct orientation of the battery. Press the battery down to ensure that the battery is fully seated in the battery housing cavity. 5. Snap the two halves back together. Note: Replacement of the battery will not cause 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 authorized 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: • Take all your vehicle's transmitters to your authorized dealer for programming, or 82 2010 Crown Victoria (cro) Owners Guide, 2nd Printing USA (fus)