You may find that in the rainy day， windshield and rear window glassprone to fog， in general， the formation of the fog is inevitable， car product Hong wisdom to you introduces three methods to solve:

· spraying anti fog agent prevention method suitable for four seasons， inpolished glass at the same time， forming a transparent protective film， can prevent the fog layer effectively， especially suitable for cold winter. 

· refrigeration and air conditioning method is only suitable for summeroperation， if the humidity is too large， the use of air conditioning effect is not obvious. 

· heater method suitable for winter operation， the back side of the glasstemperature rise is slow， take a long time to remove all of the fog， a long time but also a waste of gasoline and other resources.