Operation CHARM: Car repair manuals for everyone.
Home >> Buick >> 2000 >> LeSabre V6-3.8L VIN K >> Repair and Diagnosis >> Heating and Air Conditioning >> Description and Operation >> HVAC System - Automatic >> System Operation >> Refrigeration System >> Dual Zone A/C System Description >> Operating Modes >> General Description
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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 Instrument Panel Module (IPM) may operate in several different modes:
^ MID/FLOOR
^ MID
^ FLOOR

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