So I purchased this unit about a month ago, and it has been installed for a little less than a month. Everything was working fine until about a week ago, when I was driving down the road, and the unit shut itself off and then rebooted. I thought I may have had a loose ground, but the problem seemed to have gone away, so I forgot about it. Well today, i was driving around and it was working fine, until later in the day when I got in the car and started it. The screen was not lit up. It still played music, and let me shuffle through the songs, and eventually the screen came back on, but ver