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My Pioneer avicx910bt - The screen is black and the message reads 'Caution - Image may be reversed". Your/the suggested solution does not work for me because the screen is black and only the 'volume' and 'next track' buttons are activated. All other functions seem to be disabled while the screen is black. I even tried holding-down buttons to see what would happen.

I pluged the my iPhone in the car audio and this shit happend. Please help me.

Also I tried the rest button with no avail.

I did it. I had reversed the polarity of the backup camera so I simply pulled out the wire the remote wire and tapped it against the back of the cam input lead the purple one and it turned off so anybody else out there needs milk and maybe I might be a will to help you thanks