How can I get rid of the fog on the mirror and glass in foggy days?

Volkswagen LaVida 20 10 automatic comfort version, you can spray anti-fog agent in foggy days, turn on the warm air, and eliminate the fog on the rearview mirror and glass.

The most effective way is to use warm air, which is just right in winter. When the warm air is turned on, the higher the temperature, the better, so that the fog will go down faster. The purpose of turning on the warm air is to dry the water in the room, and the water mist will be gone. After the water mist goes down, you can turn down the temperature.

If, after a while, you still can't see the scenery in front of you clearly, there is only one reason. The outside of the windshield is badly dirty, and a layer of water mist has formed. The removal method is very simple, just spray some glass water and scrape it with a wiper.

Therefore, in addition to temperature difference and humidity, it is easier to form water mist when the glass is too dirty. So in foggy days, we'd better clean the inside and outside of the windshield, so that water mist is not easy to form.

In fact, the antifogging agents sold in the market use this principle. It forms a protective film on the glass surface to prevent dust and water vapor from condensing on the glass, thus achieving the purpose of preventing fog from forming. As for whether it is necessary to use antifogging agent, it is entirely according to personal preference. In fact, the problem can be solved without antifogging agent.