We had a tire issue on the TV,was alerted by trucks TPMS! So we went to a Michelin Tire Dealer ,who Quickly said "Not our problem,go to GM! Went to nearest GM Dealer that was "McCarthy Chevrolet in Lee's Summit,MO"! We had No appointment but they immediately took us in,came to the Customer Lounge and said,"all done covered by GM warranty '! Was in and out in less than a hour! IT was the Valve Stem! This is a great Dealer ship! Youroo! !