How to Defrost a Windshield With No Heat

by Matt ScheerUpdated August 03, 2023
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De-icing Formula

Spray the window, inside and out with a de-icing formula. These sprays are available at most auto shops and department stores. They melt ice quickly and prevent it from forming on the windshield as easily.

After allowing the de-icer to melt the ice, drag an ice scraper across the surface of the windows until the ice is removed.

Wipe up any excess moisture on the interior with a rag. Turn on the windshield wipers to clear moisture from the outside of the window. Do not use wiper spray because it freezes easily and can cause frost to accumulate again.

Portable Defroster

Plug a portable defroster into the cigarette lighter. These devices are sold for about $50 at most auto stores and are helpful if the heater is broken.

Turn the car on to start the defroster.

Point the defroster at the window. Hold it close and move it around the interior surface of the glass until the frost is gone.

Wipe up excess interior moisture with a rag. Turn on the windshield wipers to clear water on the outside of the glass.

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