Windscreen defogger
This is the simplest and most effective way to deal with foggy car windows. Most cars come equipped with a windscreen defogging function, and the control button is always conveniently located for the driver.
When driving in rainy or misty weather conditions, car windows often become foggy and pose a safety risk. (Illustration: Traffic Magazine)
Specifically, the windscreen defogging button is always located in the air conditioning control panel. This button is easy to recognize with the icon of arrows pointing upwards.
Most cars have both front and rear windscreen defogging buttons. The front windscreen defogging button is usually represented by a fan-shaped icon resembling the front windscreen. Some cars have the word “front” printed on them. The rear windscreen defogging button has a square icon resembling the rear windscreen and usually has the word “rear” added.
Usually, after activating the windscreen defogging function, the phenomenon of water vapor clinging to the window will be completely resolved within 5-10 minutes.
Note that when turning on the windscreen defogging function, the car windows should be closed tightly. If left open, this function will be almost useless or very ineffective. In addition, many people often place a floor mat on the dashboard, which obstructs the airflow. Therefore, when using the defogging function, it is recommended to temporarily remove the mat from the dashboard to speed up the drying process of the windows.
Adjust the air conditioning
For older car models that are not equipped with a windscreen defogging function, you can still address foggy windows by adjusting the air conditioning system accordingly. This will help regulate the temperature inside the car, reducing the temperature difference between the interior and exterior of the car.
Lower the windows
In light rain and not too cold weather conditions, drivers can lower the windows on both sides of the car about 10 – 15cm. This will help balance the temperature between the car interior and the outside environment. However, avoid lowering the windows too low to avoid affecting the passengers’ health and the car’s interior.
Turn on the fan at a high speed
To prevent foggy windows, drivers can turn on the fan in the fresh air mode and direct the air vents towards the windscreen. This method helps push the airflow towards the windscreen to balance the temperature and humidity between the interior and exterior of the car, preventing the windscreen from fogging up.
Nano coating for car windows
Nano coating is also considered an effective solution for foggy car windows when driving in rainy or misty weather.
Nano coating involves applying a layer of protective coating to the car or the windscreen and front windshield. This nano layer, with high gloss and hardness, helps prevent scratches, water and dust from sticking to the car’s surface. As a result, the car windows remain clear, without fogging or becoming blurry, and have a longer lifespan.
Use anti-fog products
In addition to using the air conditioning system or the windscreen defogging function, many drivers also share an effective tip for dealing with foggy car windows in rainy weather, which is to use anti-fog products to wipe small areas on the windows.
You can use dry towels, absorbent papers, anti-fog sprays, or shaving foam. These clever tricks can be applied in emergency cases in the car.
According to VTC
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