How do you remove the inside panel to install a passenger side mirror on a 1991 tercel?

To remove the inside panel for installing a passenger side mirror on a 1991 Tercel, first, disconnect the negative battery terminal for safety. Then, carefully pry off the trim panel around the door handle and window controls using a flathead screwdriver or a trim removal tool. Remove any screws securing the inner door panel, typically located near the handle and along the edges, and then gently lift the panel away from the door frame, being cautious of any clips that may still be attached. Once the panel is off, you can access the mirror mounting points to proceed with the installation.