Before freezing rain occurs learn how to prevent your car doors from freezing shut with this simple trick! Step 1 – grab some cooking spray. Step 2 – open your car door, and look for the rubber seal all around its edge. Then spray the rubber on the top, side and bottom of the door. Step 3 – take a dry paper towel and gently rub the rubber seal to get rid of drips. Step 4 – close your car door and come back at the end of the day or next morning and enjoy the success of opening your car door with ease.