Technical Description (Comment)
WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
When the screen of rear view camera is not shown even if the selector lever is "R" (Reverse) position, the rear view camera, the radio and CD player, the wiring harness, connectors, transmission range switch may be defective.