I spent several hundred pounds having some sort of fancy coating on my current car and it is pants! They said wash the car, dry off and go. That's fine if you want a crap looking dull finish that shows every branch scratch, trolley scuff and fly remnant. I'm back to my old ways. Hose down, wash with warm water and car shampoo, hose off, leather and dry. Finally a good coat of Auto Glym resin polish and she looks great. Sometimes she can look this good for even more than an hour!