Removal Procedure

WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

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: Removing Transmitter Battery (1 Of 2)
Courtesy of GENERAL MOTORS CORP.
Remove the battery (2).

Fig 2: Removing Transmitter Battery (2 Of 2)
Courtesy of GENERAL MOTORS CORP.