backup camera not working

I was driving my 2020 Telluride with no issues when out of nowhere my car almost stalled out and there was a huge puff of white smoke out the back followed by a burning smell. The car had a hard time driving and I had to take back roads slowly to the dealership. After five working days the...

My radio/navigation screen stays on and will not turn off. I can’t use the radio nor the navigation or backup cameras or front cameras! It’s like the screen is stuck. Anyone else with similar or same issues? Any fix to it CaT