I too have the same issue, but its with any Bluetooth connection.  I have the do not auto start button selected , but it loads anytime it connects to a Bluetooth source. I do not use android auto in my work truck, just have it as a media source,  but it constantly wants to start and play on its own, even when not selected. I just deleted the app off my galaxy note 9 since I am fed up with this happening. You make the app, put a setting in there to stop this, but it makes no difference?  ... View more