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cooking spray prevents wax from sticking
Ice proof your car windows. Just fill a spray bottle with three parts vinegar to one part water and spray on your car windows at night. In the morning, they should be clear of the icy mess. Prevent your car doors from freezing shut using cooking spray. De-ice your frozen car door lock by putting some hand sanitizer gel on the key and the lock.
Use Vinegar and Water to Defrost a Windshield: A homemade solution of vinegar and water can help in scraping the ice off a windshield. The acidity in vinegar will make the ice melt and allow you to use less effort to scrape the ice away.
Make own spray paint: 2 parts acryllic paint with 1 part water in a spray bottle.