Under normal use, the battery in the remote control door lock transmitter will last about 2 years.

The battery is weak if the transmitter does not work at the normal range in any location. If you have to get close to the vehicle before the transmitter works, change the battery.

1. Insert a dime or a flat-bladed tool into the slot on the side of the transmitter in order to disassemble the transmitter.
2. Twist the dime or tool in order to separate the halves.
3. Remove the battery from the transmitter.

1. Install the battery into the transmitter.
2. Reassemble the transmitter.
3. Ensure that the halves snap together tightly in order to prevent water intrusion.
4. Test for proper transmitter operation.
5. Synchronize the transmitter, as needed. Refer to Transmitter Synchronization .