Windshield defogging tips
The sudden drop in cold air and the rain and rain have caused many drivers to find that the front windshield of the vehicle is easy to fog, which affects driving safety.
The reason why the window glass is fogged is "internal heat and external cooling", that is, when the temperature difference between the inside and the outside of the vehicle is large, the gas exhaled by the person riding in the vehicle will condense into water vapor when it encounters the cold glass. This is an old problem, but it is not a small problem. Once the driving line is blocked, it is likely that an accident will occur within a few seconds. Therefore, it is essential to remove fog in cold rainy days.
Based on past experience, the traffic police concluded a comparison of the three methods with higher usage rates.
â— The most original method: wipe with a dry cloth or paper towel
â—Advantages: immediate results
â— Disadvantages: laborious, unsafe, trace after wiping
The most original way is to wipe the glass directly with a dry cloth. There is a scene in which people who believe that they have been in the car are no strangers: the old drivers always have a towel, and they rub the glass when they stop at the red light. However, the disadvantage of this method is that it is more laborious. After wiping, there will be traces on the glass, and it will soon fog again. If you drive while driving, it is easy to cause an accident.
â— The most convenient way: blow with hot air
â—Advantages: no distraction
â— Disadvantages: Slow effect, the rest of the windows are still foggy
The second method is to blow directly with hot air, but this method is relatively slow, and the fog on the front windshield is getting bigger and bigger when the vehicle is just turning on the hot air. It takes ten minutes for the glass to wait. Gradually clear. It is recommended to turn on the hot air immediately after the hot car. At the beginning, use the "high temperature" above 25 °C to blow first. After the fog disappears, slowly lower the temperature and control it at about 22 °C.
â— The most creative method: detergent with dry cloth
â—Advantages: good preventive effect
â— Disadvantages: to deal with in advance
Choose a sunny day, take the kitchen detergent with water (about 1:6), evenly spread it on the glass inside the car with a sponge, and then dry it with a dry cloth after drying, do not leave traces. In general, the effect lasts for half a month. Because detergent contains surfactant, it can change the surface tension of water, so that the droplets quickly condense into large water droplets, which can play an anti-fog effect. However, this is a preventive measure that must be dealt with in advance. If it is found that the fog is coming again, it is too late.
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