For 1990-2009 cars

### Removal Procedure

1. Place the remote control door lock receiver transmitter face down on a clean surface.
2. Insert a small screwdriver into the slot on the bottom of the transmitter.
3. Carefully turn the screwdriver in the slot until the cover releases.
4. Remove the cover while being careful not to damage the seal.
5. Remove the battery from the transmitter.

### Installation Procedure

1. Install the new battery with the positive (+) side facing up.
2. Inspect that the seal is properly positioned.
3. Snap the two halves together.
4. Verify that the remote control door lock receiver transmitter is functional. If not, refer to Transmitter Programming .