How to Solve Fogging on Side Windows in Rainy Weather?

[SanClaire]

In rainy weather, fogging on the side windows can be addressed using toothpaste, water repellent, or air conditioning defogging. Here are specific solutions to the fogging issue: On rainy days, evenly apply toothpaste or soap to the car's side window glass. Wait for a while until the applied soap hardens, then wipe it clean with a towel. A wax layer will form on the glass surface, which has excellent water-repellent properties and can effectively prevent fogging or water droplets on the rearview mirror from causing blurred vision. Purchase a specialized water repellent and evenly spray or apply it to the rearview mirror. A protective film will form on the rearview mirror's surface, which also has excellent hydrophobic properties, effectively preventing fogging or water droplets on the rearview mirror and ensuring clear visibility. Turn on the car's air conditioning to cold air and adjust the vents to the front windshield to quickly clear fogging on the glass. If you want to completely eliminate fogging, you can turn on the air conditioning to hot air before starting the car and blow it directly onto the front windshield for 3 minutes. This can fundamentally prevent glass fogging. Air conditioning cooling can also dehumidify and achieve the fastest defogging effect. The driver can turn on the air conditioning's cooling mode and adjust the blowing mode to the windshield setting. In about ten seconds, the fog can disappear.

[VonMiles]

Dealing with foggy side windows while driving in the rain can be frustrating. Here are my go-to solutions: First, turn on the car's AC and set it to dehumidify mode, directing the airflow toward the windows. You can choose either cool or warm air, but avoid setting the temperature too high to prevent counterproductive results. Second, switch the ventilation to recirculation mode to let fresh air in and reduce humidity—this works especially well for older car models. When my car lacks a defog button, I simply wipe the inside of the window with a cloth, avoiding gloves or rough fabrics to prevent scratches. For prevention, regularly clean oil stains and watermarks from the windows to minimize fog buildup. Before the rainy season, applying an anti-fog spray to the glass is an affordable and effective measure. Keeping the interior dry is also crucial—avoid leaving damp clothes in the car, as they can increase fogging. These small tricks have helped me drive safely for over a decade. Whenever fog appears, act promptly—don't delay.

[AlexanderLynn]

I often drive on rainy days, and the fogging issue on side windows has taught me some practical tips. I make it a habit to turn on the air conditioner at a low fan speed as soon as I start the car, setting it to the windshield defrost mode with a temperature that's neither too hot nor too cold. At the same time, I ensure the ventilation system is in the external circulation mode to draw in dry air for dehumidification. If the fog gets heavy, I wipe it off directly with a soft cloth to avoid smudging. Another trick is to reduce water vapor inside the car, such as avoiding heavy breathing from too many passengers or excessive window opening. Before the rainy winter season, I apply an anti-fog spray on the inner side of the windows, which works well and saves money. Years of experience have taught me that fogged-up windows are the most dangerous as they impair visibility, so quick action is essential. Keeping the car windows clean is also crucial, as dirt can make the fog stickier. Regular maintenance of the air conditioner's filter can also help prevent fog buildup.

[OEmma]

When dealing with foggy side windows on rainy days, I directly turn on the air conditioning to the defogging mode with the temperature set to medium; this can quickly dissipate the moisture. I also switch to external circulation ventilation to allow fresh air in. For prevention, I pay attention to window cleanliness, often wiping the inside to remove grease. On rainy days, I avoid drinking hot beverages or talking too much in the car to reduce humidity. It's simple and easy, and I perform these steps every time fog appears to ensure driving safety.

[Ruiz]

To deal with foggy windows on rainy days, I prefer efficient methods: activate the car's air conditioning dehumidification function with the airflow directed at the side windows; if the car doesn't have an automatic mode, manually turn on the cold air. Switching ventilation to external circulation is crucial to draw out humid air. Additionally, cleaning the inner surface of the glass prevents fog formation; I spray anti-fog agents on the windows before rain for long-term protection. These small actions help me avoid visibility issues and drive with more peace of mind.

[Dominic]

When the side windows fog up during heavy rain, I first turn on the air conditioning for dehumidification and set a balanced temperature. At the same time, I switch the ventilation to external circulation to reduce humidity. For prevention, I regularly clean the inner glass to remove dirt and also apply anti-fog spray seasonally. Reducing sources of moisture in the car, such as wet clothes, can significantly minimize the problem. Every time fog appears, I address it promptly to maintain clear visibility, ensuring a worry-free drive.