Combination Switch: RX-4
Remove steering wheel as outlined. Loosen and move left vent knob away from instrument panel. Remove choke knob and position choke cable out of way. Detach steering column covers. Disconnect wiring from panel light resistor and exhaust system overheat light by loosening attaching screws. Loosen, but do not remove final two attaching screws (one in opening just to right of heater lever and the other in opening just below left air outlet). Pull column cover out from instrument panel (retaining clips will offer some resistance). Disconnect combination switch wiring. Remove stop ring from steering shaft. Loosen switch attaching screw and withdraw combination switch.