How do you stop fog on car windows?

Answer

Usually it helps to heat the windows up using the heater in the car, depending on if the air inside the car is hotter or colder then the air outside of it.

answer

stop making out in your car!! serouly, sometimes your heater core goes out and starts fogging you windshild but does not dump water if you need to fill your antifreeze regularly it may be a heater core other wise #1 is a good answer

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