For 1990-2009 cars

Under normal use, the battery in the transmitter should last approximately 2 years.

If the battery does not operate at the normal range in any location, the battery is weak. If you have to get close to the vehicle before the transmitter works, change the battery. The required remote control door lock transmitter battery is Lithium CR 2032.

### Disassembly Procedure

1. Disassemble the transmitter by inserting a dime or flat-bladed tool into the slot on the side of the transmitter. Twist in order to separate the halves.
2. Gently pry the battery out of the transmitter. Do not use the metal flanges in order to pop out the battery.
3. Remove the battery from the transmitter.

### Assembly Procedure

1. Install the battery into the transmitter.
2. Reassemble the transmitter.
3. Inspect the transmitter halves. Ensure that the transmitter halves are snapped together in order to prevent water intrusion.
4. Synchronize the transmitter as needed. Refer to Transmitter Synchronization .
5. Verify the transmitter operation. Refer to Keyless Entry System Operation .