How to Use the Internal and External Air Circulation in Volkswagen Cars?

1 Answers
ValerieRose
07/30/25 9:36am
The external air circulation works by using a fan to draw outside air into the car and expel the inside air through another fan, achieving ventilation without opening the windows. The principle of internal air circulation is straightforward—it promotes air flow inside the car, especially when using the heater in winter or the air conditioner in summer to enhance interior air circulation.
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