To fix a door dent in a car you will need a kit for door dings, dry ice, hairdryer and air duster. You can try the dry ice to repair the door dent in your car. You will place the dry ice into the middle of the dent. You should have on some form of safety gloves in order to use the dry ice. You will leave the ice on there for about thirty to sixty seconds. This may pop out the dent. You can use
. your hairdryer on the dent. Spray the air duster onto the dent for about ten seconds. If it is not a very large dent it will pop back out and look good as new. The door ding kit is another option that you can use. It has the instructions on how to properly use the door ding kit. You can either push the dent forward from the rear of the dented surface. You are basically pulling the dent out from a level surface. This is so that it matches the surface to match the surround panel. It takes time to fix a door dent in a car, but it can be done.