Automatic HVAC System Description: Controller: Notes

The operation of the air conditioning (A/C) system is controlled by the switches on the control head. This console-mounted heating and ventilation system contains the following knobs and display:

Temperature Control Push Knobs

1. Raise the temperature of the air entering the vehicle by pressing the top switch, with the red arrow pointing upward.
2. Lower the temperature by pressing the bottom switch, with the blue arrow pointing downward.
3. Actuate the air mix door by an electric motor.
4. Vary the mix of the air passing through the heater core with the air bypassing the core.

Each press of a switch changes the set temperature by increments of 0.5°C (1°F). This is shown in the temperature window on the function display.