Dont get me wrong. If I get mud on the sides I'll carefully hose off that area and hand wash it. But not the car. Il let dry or blow dry and then use dry wash. Make sure you buy DWG classic. Not the new formula. Ebay is good or look it up and find a local supplier. It's a pyramid company but you dont have to join. It comes in qts with a self load spray pump bottle. A few ounces will do a whole car.