I received the recall notice and then the special warranty notice, fall of 2019. I took my vehicle, which was experiencing the braking issues described in both notices, to Nereson Automotive in Detroit Lakes, MN. I did call ahead & had an appointment and informed them of the letters and the problems both on the phone and in person when dropping the vehicle off for repairs. After they called me and told me they made all the repairs and had the vehicle in good working order again, I picked up my 2015 Chevy Silverado High Country (approximately 107,000 miles) and while still on the lot I experienced the same braking issues. At that point I just figured it was something that I would have to deal with. After almost 5 years of dealing with the intermittent annoyance, I started doing some research on how to fix it myself and came across a mechanics instruction on how the recall and special warranty was supposed to be performed. I called them back and scheduled another appointment pointing out they were supposed to replace the vacuum pump in 2019 and I informed them (Ty) the radio and DIC on my truck would randomly change menus and stations and wanted them to reflash the computer system (which they did not do, and also charged me over $150 for a bogus diagnostic fee afterward). After I dropped my truck off for repair (again) (approximately 158,000 miles) I received a call and they said the special warranty is expired because I was approximately 8,000 miles over the extension. I infor