Washing my car

No, however, you may want to wax the car. When you want to strip the wax off a paint job wash it with dish soap and the wax is off, for the most part, That is why you are reading do not use dish soap to wax a car. Get some Turtle Wax Liquid Synthetic and put a coat or two of it on. It looks like water with a few drops of milk in it but it really works. Then once in a while use a use the Turtle Wax Ice Spray and it keeps the shine up great. Use microfiber towels. You can get it all for 30.00 and do several cars. It only takes a couple of ounces to wax a car.

Eventually dish soap will strip the wax off, how fast depends on how much soap you use. Wax should be applied at least twice a year anyway so no worries. I use a dedicated car wash soap but it is not necessary.