A: To remove the cluster face plate, first remove the left air-conditioning duct if necessary. Then, reach under the instrument panel and depress the stem and knob release button on the bottom of the switch housing. Pull the knob and stem assembly out of the switch housing. For later model vehicles, remove the wiper switch knob and bezel. Remove the switch spanner nut from the front of the instrument panel. Reach under the instrument panel and maneuver the switch down to disconnect the electrical leads. Finally, remove the switch. The installation process is the reverse of removal.