The contact owns a 2018 Ford Edge. The contact stated while attempting to reverse, the rearview camera failed to display an image. The contact stated that the failure only occurred during hot weather conditions. The vehicle was not taken to an independent mechanic or dealer to be diagnosed. The contact stated that the failure had occurred on several occasions. The vehicle was repaired. The manufacturer was notified of the failure. The contact was informed by the manufacturer that the VIN was not under recall. The manufacturer was notified of the failure and referred the contact to report the failure to the NHTSA Hotline. The approximate failure mileage 89,870.