Do You Need to Turn on the Air Conditioning for Rear Window Defogging?
1 Answers
Rear window defogging does not require turning on the air conditioning. Simply turn on the defrost (fog) switch and the air blower switch to direct airflow to the front windshield. Below is relevant information about car defogging: Defogging Button Symbols: The symbol for the front windshield defogging button is a fan shape with many curves. The symbol for the rear windshield defogging button is a square with many curves. Front windshield defogging uses the air conditioning, while rear windshield defogging uses electric heating wires. Rear Windshield Defogging Function: In some cars, when the rear windshield defogging function is activated, the side mirror heating function also turns on. These cars do not have a separate side mirror heating button. If you need to use the side mirror heating function, simply press the rear windshield defogging button.