I have a 2011 Prius with the JBL sound system installed. Every time I turn the Prius on, and the system connects to my iPhone, it starts playing randomly selected music. I can pause it, but if I get a call or use Siri, and then finish the call, the music automatically starts up again. I need to leave the audio on because my iPhone's GPS plays via the Bluetooth audio. I cannot get directions, traffic warnings, etc without the audio on. I'm just getting tired of switching back to the audio screen, re-pausing the audio, every time I hang up a call, etc. Is there a way to tell the system not to auto play?