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Buick
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1999
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Park Avenue Ultra V6-3.8L SC VIN 1
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Repair and Diagnosis
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Instrument Panel, Gauges and Warning Indicators
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Description and Operation
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Indicators
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Heater and A/C Control Assembly
Heater and A/C Control Assembly
The electronic heater and the A/C control assembly have electronic switches for selecting operating mode(s) and the desired in-vehicle (set) temperature.