How to Deal with Foggy Windshield in Summer?

2 Answers
StJudah
07/28/25 8:49pm
Fogging on the outside of the windshield occurs because the air conditioning is turned on inside the car. The temperature difference between the inside and outside of the car causes this phenomenon. You can first turn off the air conditioning inside the car, so that when the temperatures inside and outside are consistent, fogging is less likely to occur. More information about fogging on the outside of the windshield is as follows: 1. Turn on the recirculation mode inside the car: This enhances air circulation, which helps dissipate the fog. 2. Use the wipers to clean the outside of the glass: This helps the defroster keep the windshield clear and transparent. 3. Use windshield washer fluid to clean the glass: This can prevent fogging. 4. Anti-fog spray: One application can keep the windshield fog-free for about a month, and it can be used on both the inside and outside of the glass. 5. Use detergent: Mix a small amount of water and clean the inside and outside of the glass, which makes it less prone to fogging.
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Kenny
08/12/25 1:32am
I used to frequently encounter foggy windows while driving in the summer, which was really troublesome as it blocked my view, especially after rain when the humidity was high. I directly use the air conditioning system, selecting the defogging mode and turning on the external circulation, increasing the fan speed a bit. Turning on the AC for defogging works faster, usually the fog clears within one or two minutes. If the situation is urgent, I slightly open the window to allow air exchange. Don't wipe it with your hand, or it will leave marks and make it even blurrier. I usually keep a defogging spray in the car, spraying it inside for good preventive effects. When fogging occurs, handle it calmly, ensure the view is clear before driving, safety first.
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