How to Deal with Fogging on the Outside of the Windshield in Summer?

1 Answers
VanPaige
07/25/25 3:28am
Solutions for fogging on the outside of the windshield in summer are as follows: 1. Open windows for air circulation: If the fog is not heavy, you can open a gap in the side windows to allow air circulation inside the car. When the interior temperature approaches the outside temperature, the fog will dissipate. However, this method is only suitable for low-speed driving. 2. Reduce the fan speed: Turn on the external air circulation, lower the air conditioning fan speed, and then switch to internal circulation. Adjust the airflow to fully blow onto the windshield, and the fog will dissipate after a while. 3. Mix anti-fog solution: Mix dishwashing liquid and water in a ratio of about 1:10, then apply it to the glass with a cloth. This method provides long-lasting defogging at a low cost. If dishwashing liquid is not available, windshield washer fluid can also be used for defogging. 4. Turn on the warm air: When the fog is heavy and neither opening windows nor using wipers works, adjust the air conditioning to warm air, increase the temperature, and direct the airflow fully onto the windshield. The fog will disappear after a while, with very noticeable results.
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