after reading this post i checked the frame rails on my 5000 mile 2014 standard cab 4x4 silverado work truck. yes, i have rust spots where the wax is peeling off. looks terrible and i doubt the frame outlives the truck. but what really has me worried are the emergency brake cables rubbing on a frame clip. obviously GM knows about it because my truck has rubber sleeves over the cables where they rub the clip. you'd think they'd move the clip, re-route the cables or hey, better yet, move the wire hanger they installed about 6-8 inches aft of the clip. i am thinking that is what i am going to do. gm - fail. i have a couple gallons of LPS and i will foam brush some of it on the rust. who ever thought up this wax stuff needs his head examined.