A:AnswerIt depends on what interface you have installed like I have a maestro rr and geek squad wasn’t able to retain some functions on my steering wheel.
A:AnswerMy installer installed the included USB into an existing USB port in order to use the Apple Airplay feature. But I use a power port for an additional USB adapter.
A:AnswerIt is not integrated. It works with Android and Apple digital connections. So when I connect via USB to my iPhone, I can use any of my phone GPS/mapping apps.