Off the top you really don't want to touch it for a while in any way at all. I think eventually washing is OK and then waxing but it's supposed to sit for a bit to totally cure. Well maybe that's old school and things are different now. Either way I wouldn't think there's anything for a clay bar to remove and might skip that altogether. As for wax there are 1,001 options, at least.
I'd ask the place that painted it...
|