Washer fluids pour into washer reservoirs to clean windshields as needed while driving. These fluids evaporate rapidly for better visibility and reduce smearing or left-behind residue.

De-icing treatments spray on windshields to thaw and loosen ice and snow on contact. They allow for minimal brushing and scraping of ice and snow and prevent refreezing while driving to keep windshields clear. These treatments are suitable for use on glass and metal and can also help to thaw frozen locks.

Repellent treatments wick away rain, sleet, and snow from windshields to improve visibility in wet weather driving conditions. These repellants are frequently used with interior window antifog treatments in humid areas.

These antifog treatments prevent fogging caused by the build up of humidity inside the vehicle. These clear liquids apply to interior windshields with a cloth.