The _Wrong_ answer O.K. Andy ; I'm a mechanic too , not a body & paint guy but I learned a little bit doing all those used cars over the years . If I understand it correctly , the clear coat only peels off if it's not properly prepped -or- if you use the wrong typ of clear coat as not all paint types mix . I know that's a horribly vauge answer but not to worry , we have good paint & fender guys on this list who'll correct my mistakes about this in a short time.... I have a shop truck too and I'd be seriously pissed off if anyone left greasy hand prints on it..... I shampoo the engine regularly even if I don't wash it but 3 or 4 X a year I had it out to-day , drove down to the SouthBay to have breakfast , coffee and good conversations with a mechanic buddy , the dusty fenders make it look ' barn fresh ' ~ guess it's time for a wash again NO wreath this szeason as I put two on my Mercedes Benz's then my brother hit the road to drive his old Mercedes up to Bellingham , Wa. so I hung the truck's wreath on his car after I finished the pre trip PM ... The old truck still got a loota good looks as it was rolling down the road tho'