System Description
WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
When the shift selector is in the R position the AV control unit receives the reverse signal and turns on the rear view camera. The display unit receives camera image signals from the rear view camera. The display unit then shows a view to the rear of the vehicle. Lines which indicate the vehicle clearance and distances are also displayed.