Front Defrost Setting

The blower motor turns ON. You may manually adjust the blower speed using the fan switch. The A/C compressor activates if the outside temperature is above 5°C (41°F). The air compressor runs in order to keep the evaporator core at about 1°C (33°F).

The heater and A/C programmer energizes the air mix actuators to:
^ Open the defroster door
^ Position the air inlet door to the outside air position
^ Position the A/C door to direct some of the air through the floor outlets

The heater and A/C programmer energizes the air mix actuators to:
^ Determine the proper air discharge temperature
^ Position the air mix valve accordingly You cannot turn off the A/C compressor.