Maybe that is more the fault of the head unit than anything else. Several years ago I bought and installed an aftermarket stereo which could play mp3s from a us

Maybe that is more the fault of the head unit than anything else. Several years ago I bought and installed an aftermarket stereo which could play mp3s from a usb stick. I think it was a Kenwood in the $150 - $200 range. I recall being stunned by how horrible and behind-the-times the UI and menus were. I thought "all they had to do was copy the iPod menu layout" (or any other decent mp3 player). That and other experiences with car infotainment systems have lead me to believe that any electronics that go in a car are at least 5 years behind their non-automobile equivalents.