Needs bluetooth for phone calls? Why? Even when music and all other audio notifications go through USB? Why on earth phone call audio must go through BT? To add insult to injury Bluetooth gets disconnected if phone is connected to car while turning on, therefore calls will got to phone earpiece / speaker: this can only be fixed by re-pairing Bluetooth: not a safe task while driving by the way. Get this nonsense fixed by making phone call audio go through USB connection as Apple carplay do