For the record it's garage kept, doesn't park outside. Wash an wax it regularly. No sitting in salt, accident or impact. I had a 13 year old Cherokee with zero rust. The rust started on a pinch weld that crept up into the fender. Jeep dealership hand wrote they won't cover it. Warranty doesn't say corrosion for that area. Ziebart claim is handling it. I just posted this to make aware to other owners of this issue. Not claiming who is right or wrong, hence this is an educational forum and enjoy reading the posts. I'll upload the before & after pictures when it's fixed.