Removal Procedure

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

Remove the left I/P accessory trim plate.
Disconnect the electrical connectors.
Using a taped flat-bladed tool, gently pry and release the 4 clips around the lamp dimmer switch/remote control rearview mirror switch trim plate (2).
Using a taped flat bladed tool, gently pry and release the clips around the power mirror switch (1).

Fig 1: Prying And Releasing Clips Around Lamp Dimmer Switch/Remote Control Rearview Mirror Switch Trim Plate
Courtesy of GENERAL MOTORS CORP.