Many car owners will find that there is fog or water inside the headlights of their cars, which will undoubtedly affect the normal use of the headlights. So what will cause water to enter the headlight?
If the water vapor entering the damaged headlights is not taken into account, then the large temperature difference is the main reason for the fogging of the headlights. This phenomenon is most likely to occur in winter and rainy seasons.
Of course, there are also human factors for water intrusion into the headlights, such as vehicle wading and irregular car washing operations. When rainwater falls on the car during the rainy season, a large amount of water vapor will be formed. Along the ventilation pipe, some of the water vapor will enter the headlights.
During the car wash, if you use a high-pressure water gun to flush the headlights or engine compartment, the accumulated water in the engine compartment is not dealt with in time. After the engine compartment cover is closed, the water vapor cannot be quickly dispersed outside the car, leaving you feeling stuffy. Moisture in the engine compartment may enter the headlights.
Generally, a small amount of fog does not require special attention. It will be discharged out of the lamp through the exhaust pipe along with the hot air and will not damage the circuit of the headlight.
