Rear camera sometimes ds not work when backing up. When the problem occurs, the screen inside the car that is supposed to show an image of the area in back of the vehicle is completely black. The problem ds not occur often. It is not easily reproducible. The vehicle can be made available for inspection upon request. If the rear camera ds not work, the car could back into objects or people. The problem is hard to reproduce. The vehicle was last inspected by a Nissan dealer in December 2024 for an unrelated problem. The rear camera problem had not occurred at that time. The vehicle will be inspected by a NY State licensed mechanic (not a dealer) later in March 2025. There were no warning messages.