GM Service Manual Online
For 1990-2009 cars only

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. Change the battery if the transmitter only works within a short range of the vehicle.

Removal Procedure


    Object Number: 264915  Size: SH
  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.

Installation Procedure


    Object Number: 264915  Size: SH
  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. Refer to Keyless Entry System Operation .
  5. Synchronize the transmitter, as needed. Refer to Transmitter Synchronization .