Removal Procedure

Replace the batteries when the range of the transmitter decreases to less than 7 m (23 ft).
Insert a small coin between the two halves of the transmitter case at the slot provided near the key ring hole.
Twist the coin in order to open the case.
Open the transmitter case.

Fig 1: Opening Transmitter Case

Courtesy of GENERAL MOTORS CORP.

Fig 2: Removing Battery

Courtesy of GENERAL MOTORS CORP.