I'm having the same issue with my Avic 8100NEX. Anyone have a solution? I just installed the head unit and Alpine HCE-C125 camera. I disconnected camera completely to see if I could get out of mode. Screen is displaying the guidelines like the OP stated, and none of the buttons on the unit will respond to change mode. (Nav., Maps, Home Button) I have tried the reset button, have disconnected, reconnected battery. Oh, but the loud annoying speed limit warning is working. I currently have the camera and its power wire disconnected but cant get out of camera mode (still showing guidelines