Has anyone figured out how to get the Google or Apple maps to do turn by turn with voice through the appradio using the iphone 5? I have all the required cables and most recent software running, but cant seem to get the voice turn by turn to work with the radio, not sure if there is a way yet? I have to mirror the iphone to get Google maps to work, but only the visual works, no sound. I tried using the Garmin in mirror mode, but that wont work because of software license restrictions, all I get on that is a black screen with the disclamier that it is not possble to use that app because of t