The contact owns a 2019 Ford Flex. The contact received notification of NHTSA Campaign Number: 24V951000 (BACK OVER PREVENTION); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact stated that while reversing, the center display failed to provide an image behind the vehicle, almost causing two crashes. The contact stated that the vehicle was not diagnosed or repaired because parts were not yet available. The failure mileage was unknown. VIN tool confirms parts not available.