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What to Do When the Side Windows Fog Up?

2 Answers
DiWeston
07/24/25 3:40pm
Just prepare a towel with good moisture absorption and gently wipe the windows. Here are some related methods to remove window fogging: 1. Open the windows: Crack the windows slightly to allow air convection, using negative pressure to draw out the fog. If there is a sunroof, open it and use the rear tilt function to quickly expel the air. 2. Use the car's front defroster mode to quickly restore the windows to normal. 3. Use anti-fog spray: In fact, many anti-fog sprays work very well—just spray the anti-fog agent on the glass surface in advance.
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Rodrigues
08/11/25 8:40am
Window fogging is usually caused by condensation due to temperature differences. I'm used to turning on the external air circulation first, adjusting the air conditioning temperature to a medium setting, and then activating the front windshield defogging function. Remember to turn on the rearview mirror heating as well, as it helps to clear fog from both side mirrors. Once during light rain, I even bought a bottle of anti-fog spray and applied it with a cloth to wipe the inner glass surface, which proved to be more long-lasting. It's advisable to always keep a clean microfiber towel in the car to wipe away any fogging at the first sign, rather than waiting until visibility is completely obscured. Additionally, make sure to store any wet clothes in the car properly to avoid increasing humidity.
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How to Deal with Foggy Car Windows on Rainy Autumn Days?

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