General Description

The driver may select the following different modes of operation:
^ OFF
^ AUTO
^ FLOOR/WINDSHIELD
^ MID/FLOOR
^ MID
^ FLOOR
^ FRONT DEFROST

When operating in AUTO mode, the heater and A/C programmer (HCM) may operate in several different air delivery modes:
^ MID/FLOOR
^ MID
^ FLOOR

If the heater and A/C control is not turned OFF, the HCM will also execute one of three purge modes at the start of each ignition cycle.