Has anyone ever tried to redeem a warranty for a GM genuine replacement part installed by a certified dealership service department? Well I’m now 8 weeks into such a mess. I had a genuine replacement transmission installed by dealership in my 2011 CTS4 coupe. The dealership which I have had many problems and subsequently had to part ways, installed the transmission in 11/2018. A little over 8 weeks ago, almost 3 years to the day, the transmission goes out. I think no worries it’s under warranty. WRONG. After much pain of dealing with incompetence, which was unable to define the life span of the warranty and it’s beginning and ending. Having customer service tell me my car is already in repair no worries, to I never had any work done in the year 2018 and your nuts. This is after I produced original invoices. The new decision has come down from the authority on replacement part warranties, the unknown source. After 8 weeks of me in limbo, car at dealership ( not the crooks ) and the life span of warranty was decided. Not when it began. Not when installed correctly. No definition of any sort. All that was provided was an end date which doesn’t match my invoices or for that matter the dealerships reports in GM data bases. I love my car but for Cadillac and the dealership not to have any information except contradictory from 7 people for 8 weeks. Then respond that a higher up has determined the end date of life span of warranty. Nothing else. And it happens that I didn’t get my car to the dealership in time to meet this date by a mere 10 days. Covid and me being out of town. I didn’t realize that Cadillac and the customer service was in such disarray that I couldn’t get a simple answer for such a publicized parts campaign with all the great warranties and gm backed parts. I didn’t think Cadillac would stoop down to the level of a used car dealership. Don’t trust the warranty because they don’t know how it works. They make it up on the fly.