When the window fogs, press the defog button. Why is it blurred again later?

Nowadays, people can afford cars, which is no longer difficult. ? People often cherish and cherish the first car in their lives. This is what we saw there. Some buttons on many cars must be clear about their functions. ? The more advanced a car is, the more functions it has. ? This is a reality that everyone knows. ? Only in the new era of new cars will people take good care of their cars. After this period, people will not do this. ? Some people even use the car function once or twice and then stop using it. ?

we all encounter this problem in our daily life. When driving in rainy days or cold autumn, fog will appear on the front windshield of the car. ? Because the resulting blurred vision is very dangerous, many people will choose to wipe it clean with a towel. ? However, such behavior is very dangerous. If you don't grasp the steering wheel well, traffic accidents are easy to happen. ? This is what many people don't want to see

At this time, the defogging key on the car is a very good choice. This defogging key can blow dry the fog on the front windshield of the car, and can blow dry the front windshield of the car in all directions without leaving a dead angle. ? Car owners generally like this button, but in fact, this situation can only dispel the fog for a while, and in a short time, the fog on the window will come back. ? If you want to dispel the fog completely? We need to know the cause of this fog. ?

The reason of fog is that hot air condenses into small water droplets. The hot air in the car is mainly human breath, so when hot water vapor meets cold glass in rainy days, fog is generated in this way. ? The defogging key can really temporarily remove the water droplets hanging in front of the windshield. ? But with the continuous generation of people's breathing, such water droplets will continue to be generated on the window. ? In fact, the way to deal with this problem is very simple. ?

wearing a mask is good for everyone. If you don't exhale hot air, there won't be fog on the windshield. ? Haha, of course it's a joke, right? In fact, it's all because of the difference in temperature. As long as the temperature inside the car rises, such a thing can be avoided. ? As we all know, in winter, when the warm air in the car is turned on, there is usually no fog on the glass. ? But if the fog has already appeared on the car, it's a little late to turn on the warm air now. ?