So I have a 16’ Tahoe. Rear entertainment screen doesn’t turn. Took it to the dealership and they told me the unit itself was bad. Ok..bought a new one and swapped it out myself.. Loan behold not a damn thing changed. I will try to attach a video and show what it does. Once the main screen processes the dvd it’s shows the play/skip video controls. Once you hit pause it says this feature is not supported. The dvd doesn’t not play on the front screen aswell. Not sure if it’s an HMI issue, blue cord from the HMI module to the rear screen or what but it’s super frustrating. Any info would be appreciated.