The problem of ice on the inside of a windscreen is caused by exactly the same things that causes it on the outside of the glass - moisture and temperature. If the temperature inside your car drops low enough any moisture in the air will condense on surfaces such as the glass and eventually begin to freeze.
- How do I stop my car windows from freezing on the inside?
- Why is my car window freezing on the inside?
How do I stop my car windows from freezing on the inside?
The best way to stop frost from forming inside your windshield is to get ride of the excess humidity. If you have your vehicle in a garage you may be able to leave a window slightly open to allow the moisture to escape. Using things that absorb moisture (like cat liter or rice) may also help.
Why is my car window freezing on the inside?
A Frost accumulates on the inside of the windows when water vapor inside the car condenses and freezes. ... When a car is parked overnight or for an extended time when it's cold, the water vapor condenses on the glass, which cools very quickly. Then, as the car cools further, the condensation freezes.