reversing camera

I have been noticing this black spot , it's always there at same spot in my camera feed. It's more visible on green belt in image. It is also there when make a right turn after signaling. Anyway to fix it, it is driving me nuts.

Hello, I am new on the forum and thank you for having me accept you. I would like to ask you something. Two weeks ago, I bought a car radio for my Kia Telluride. I struggled to install the device so I looked for guides on the Internet and I came across Réparation Autoradio - Les aides de Player...