I had mine on auto but it wasn't bright enough so i turned it off and turned the back light all the way up and it was perfect. It just reverts back to factory settings every time i turn the car off though
Been using mine for about a week now and all of a sudden i got some bad ground feedback through the right side speaker that would get louder when driving and go away when stopped , it was also go in and out over bumps, then after i got where i was going and left it stopped doing it and hasn't...