Asian Cars
Heating AC and Engine Cooling
Air Conditioning and Coolant
Dodge Ram

Should AC compressor runs when the windshield defroster is running and the temp knob is turned fully to hot and the AC light is turned off Dealer says this is Normal 2005 KIA Spectra?

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Answer

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Wiki User
09/13/2011

Yes, this is a normal operation for most newer cars, and is designed to help prevent windshield fogging when using the defrost function.