Per TOYOTA COROLLA 2009 2010 2011-2012 GPS Auto Android 12.0 Stereo Radio 2+32GB
· USB: Support 2 USB, Maximum capacity 32GB. Why the car radio will show "No Signal" when we reversing?. Why can't turn on the car radio ?. 4.1: No radio antenna inserted;. Why can't connect the Bluetooth of car radio?.