Which switch should be turned on when there is fog inside the car on rainy days?

1 Answers
EmeryDella
07/29/25 4:21pm
On rainy days when there is fog inside the car, you can choose to turn on the heater or the air conditioner. Here is a detailed introduction to these two methods: 1. In summer, use the air conditioning cooling method: Utilize the air conditioning's dehumidification function to reduce air humidity and remove fog. In summer, especially when many people enter the car and the air conditioning is not turned on in time, the humidity from exhaled breath can quickly cause the windshield to fog up. At this time, you can turn on the air conditioner to blow cold air toward the windshield, using the dehumidification function to quickly remove the fog. However, if the humidity is too high and the air conditioning is not effective, you can slightly open the window to rapidly reduce the humidity inside the cabin. 2. In winter, use the air conditioning heating method: Utilize the method of raising the temperature to remove fog. In winter, use the heater to blow warm air onto the glass, quickly raising the glass temperature. By reducing the temperature difference between the inner and outer surfaces of the windshield, you can prevent excessive fogging. However, it should be noted that the rear and side windows heat up more slowly, so it may take longer to completely remove all the fog.
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