Related: Why Does My Car Heater Blow Cold Air? On most vehicles that have air conditioning, the A/C engages automatically when the defrost mode is selected to dehumidify the air. Drier air helps ...

The frost on the windshield accumulates when warm, moist air meets the cold surface of a car's windshield ... Once the engine is on, turn on the defroster, which clears the condensation from ...

The second way an air conditioner works as a windshield defog is by reducing the temperature in the vicinity of the windshield to prevent new condensation from forming. How to Def ...

A defroster is used to clear condensation from your windows and melt frost, ice and snow. It works through your car’s air conditioning system to remove moisture from the air and therefore on ...