When playing SD card and you turn off the vehicle, have it simply come on EXACTLY as you had it set. I almost always have SHUFFLE on and when you restart everything is the same (song, location in song, volume) EXCEPT SHUFFLE is off, arghh!
Ahhh, fixed with TSB 08-036-14 updating to 14.05.03 software version.
Posted this in another thread, but I can' believe in Sirius you can't browse favorites and see what's currently playing. Now it only shows the station name/number. This feature was available in my 2011 GC, but looks like updated system eliminated it (unless someone tells me otherwise.)