I have a big problem with frost on the *inside* of my glass. No, I don't have a leaky heater core, I just prefer not to run the heat in my car.
Scraping the interior glass works poorly, since it's concave, and ice scrapers are flat. I've tried RainX Interior Glass Anti-Fog, which is helpful but doesn't last long. Leaving a window ajar works great, unless it snows.
Does anyone else have this problem?
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