Automatic Temperature Control (ATC)

1. Reach under instrument panel to disengage headlamp switch knob release button on switch and pull knob and shaft assembly from switch.
2. Remove lower left bezel attaching screws and bezel.
3. Remove control assembly mounting screws and pull control assembly rearward.
4. Disconnect wiring, cables and vacuum lines, then remove control assembly.
5. Reverse procedure to install.