Is the GPS two way or one way? I had the impression that the GPS signals went from satellite to earth, but the receivers did not send a signal to the GPS satellite. I thought onstar connected the cellular network. If I have the wrong information and somebody has more specifics about this, I would really like to know. From reading the wikipedia page: https://en.wikipedia.org/wiki/OnStar Looks like the cellular network is used. Is the cellular antenna and the GPS antenna the same or are there two physical antenna? If so, then I assume one can just disconnect it. Since according to the article it says 4g. Normally cellular providers discontinue old network, 2G and 3G network have been taken down in recent years. Does anybody know when 4g network will be removed/disabled? I did find: https://www.corvetteforum.com/forums/c8-general-discussion/4... https://www.silveradosierra.com/threads/disable-on-star.7196... If the 4g network is taken down at some point, then whatever functionality that uses it will be disabled as well. So, one would think that perhaps that part of the system should be able to be replaced. If so, can't one just remove that part of the system? It is probably hard to remove, because if it is easy, then theft system is not as good.

One more thought, in California one can request a copy of one's data and also request that it be deleted. Has anybody in CA requested a copy of all the data that has been collected? How much data per month or day does it collected? Has anybody requested that their data be deleted? Would this make it difficult the manufacturer to train the driving assistance AI if enough people requested that their data be deleted?