I have a set of wheels that have a polished lip. As far is I know they are clear coated. The car has been outside all winter but was not driven on salty roads. For the most part it's been sitting. Now I go out to find these white spots on all four wheels. Some on the lip and some in the hub area. I don't know what this is or if there's any way to get it off. Here's a picture:
My guess is that it's some type of corrosion. Any ideas you have would be helpful.

My guess is that it's some type of corrosion. Any ideas you have would be helpful.