Drivers Assistance Camera not working bc of heat

This has been an ongoing problem and my dealership basically is saying they don’t know how to fix it. Anytime it gets hot, and in Las Vegas it’s about 75% of the year my cameras go out. The dealership told me last year that it was bc of the heat rays and that it is fixed with a computer update. Well here it is again. Hot months and it’s happening again. Anyone have this issue and actually have it fixed?