How do you remove the fan switch control on 93 Toyota Previa?

To remove the fan switch control on a 1993 Toyota Previa, first, disconnect the negative battery terminal to ensure safety. Carefully pry off the trim panel surrounding the switch using a flathead screwdriver or a trim removal tool. Once exposed, unscrew the mounting screws holding the fan switch in place, disconnect the wiring harness, and then you can pull the switch out. Reinstall the new switch by reversing the process.