When I wanted to clean my car from the outside, clean the wheels, I did not know how to do it quickly and efficiently. It's good that a friend gave instructions on the car steam cleaning process Car steam cleaning process | What is car steam clean? and with the help of steam cleaner I have everything turned out to be better than the car wash. The main thing before steam cleaning is to vacuum the entire interior from coarse dirt so that steam does not accidentally get on it. I recommend reading this material.