The contact owns a 2010 Ford F-150. The contact stated while reversing, the back-over prevention display screen failed to display an image of the rear of the vehicle. No warning lights were illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the back-over prevention camera. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was 120,000.