GM Service Manual Online
For 1990-2009 cars only

With normal use, the battery in the keyless entry transmitter should last for about 2 years.

If the transmitter does not work in the normal range, the battery is weak. If you have to get close to the vehicle in order to operate the transmitter, change the battery.

Removal Procedure

  1. Insert a dime or a flat-bladed tool into the slot on the side of the transmitter. Twist the tool and separate the halves of the transmitter.

  2. Object Number: 264915  Size: SH
  3. Remove the battery from the transmitter.

Installation Procedure


    Object Number: 264915  Size: SH
  1. Install a battery into the transmitter.
  2. Reassemble the transmitter.
  3. Ensure that the halves are snapped together tightly so that no water will get in.

  4. Synchronize the transmitter. Refer to Transmitter Synchronization .
  5. Verify that the transmitter operates correctly. Refer to Keyless Entry System Operation .