GM Service Manual Online
For 1990-2009 cars only

Notice: Use of the wrong battery size may damage the transmitter.

Notice: When removing the battery, use care not to touch any of the circuitry. Static from your body transferred to these surfaces may damage the transmitter.

Important: If the transmitter won't work, perform the RKE System Check before replacing the battery. Also, before replacing the battery in the transmitter, make sure that the battery is touching both the negative and positive contacts inside of the transmitter.

For battery replacement, use a Panasonic type CR2032 3-volt battery, or equivalent.


    Object Number: 911119  Size: SH
  1. Use a small coin, or flat-head screwdriver, to separate the bottom of the transmitter from the top.
  2. Notice: Do not use sharp objects to help slide the battery out of the clip. This may result in damage to the circuit board.

  3. Remove the circuit board from the transmitter housing and key pad by pressing on the LOCK button.

  4. Object Number: 886413  Size: SH
  5. Remove the battery by sliding the battery out of the battery clip. This may require a push from the back side of the clip.

  6. Object Number: 886447  Size: SH
  7. Replace the battery with the new one making sure that the (+) side of the battery faces away from the circuit board.
  8. Important: Be careful not to pinch the key pad while closing the housing.

  9. Reassemble the circuit board and key pad, and replace them in the transmitter housing which does not contain the key pad openings.

  10. Object Number: 886450  Size: SH
  11. Line up and replace the lower housing by snapping the upper and lower housings together.
  12. Test the operation of the transmitter with the vehicle by pressing and holding the LOCK and UNLOCK buttons for 7 or more seconds. This is required to reestablish communications with the vehicle.