I just installed a Pioneer AVH-2800BS in my 2005 Ford F150, adding a cheapie backup camera / license plate frame off Amazon. I've tapped the reverse bulb in my rear view lights to power the camera, and that is working correctly. However, the head unit doesn't intelligently switch to the camera when I go into reverse, as I would prefer. Instead, the camera feed comes on at startup (I have marked Backup Camera as "on" in the Pioneer head unit settings) and then I have to manually hit the "X" button at the top right to cancel the camera feed once I'm driving. In other words, the head unit doesn't