Based on this thread, I inspected my 2011, and sure enough, there's an area where the installer hit the perimeter with the tool and scratched the paint, and now it's starting to rust. Fortunately, it's only about 6" long, and it's more like where it skipped along, so there's just a few spots starting to show.
I think I can get it under control with some touch-up paint. You would think they would know how to cut out windows without damaging the surrounding area, or at least repair the damage they do.
You would think. Apparently, they don't do much of that in Jackson Center, unfortunately, in the production department.
2011 Interstate WD/Lounge