Recipe for Windshield De-Icer and an Ice Prevention Spray. Mix one part water to two parts 70 percent isopropyl alcohol in a spray bottle for a homemade de-icing spray. Spray your iced-over windows with the solution and the ice will peel right off.
What you need: cup Water 1 cup Isopropyl Alcohol Spray Bottle Directions: Combine the water and the alcohol in your spray bottle. Mix it up a little by sealing the top of your bottle and inverting it a few times. Your deicer has been made!
How to Open Frozen Car Doors. Car doors freeze shut when water seeps between the seal and the car frame, or into the lock itself. To get inside your car, you'll need to dissolve the ice with heat, or with a solvent such as alcohol.