hi my name is glen i am a auto detailer do not use dish soap it will take off the wax if you use it . dish soap is not meet for car washing . the best car soap is meguiars deep crystal that what i use.My car is dirty and needs to be cleaned. My dad said he'd get stuff to clean it, but he wants to use kitchen towels nd dish soap. How can I convince him that you need to use products made for cars?