Pingyang chunde auto parts co., LTD. : maintenance of automotive air conditioning system (II)
In summer, the temperature difference between the inside and outside of the car is large. When entering the car, it is not advisable to turn the air conditioner on too low immediately. You can first blow away the hot air in the car with a large amount of natural wind. That way, our bodies don't experience discomfort due to a sudden drop in external temperature.
This paper by pingyang chunde auto parts co. LTD