It does, but in most cases how can you prove that the car record and send such information to the OEM and others? Most new cars offer some kind of audio interfa

It does, but in most cases how can you prove that the car record and send such information to the OEM and others? Most new cars offer some kind of audio interfaces, so they NORMALLY listen to you, some also have various "security features" to monitor driver attention that demand video. Can you prove in a closed source system that such information does not goes beyond the car itself?