Removal Procedure

WARNING: This page is about a different car, the 2007 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Removing/Installing Transmitter Battery

Courtesy of GENERAL MOTORS CORP.

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

Insert a flat object, with a thin edge, into the notch located below the remote alarm button and separate the bottom half from the top half of the transmitter.
Remove the battery from the transmitter.