Video Screen
WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
The rear display screen shows video from either DVD movies, or an AUX input device, such as a video game console or camera. Each video screen has a dedicated video signal circuit to the radio.