I have started to use Visible Tesla and it is neat to see graphs of the speed that you were travelling and to see the location of your car. I believe VT polls the mother ship and stores the data in a local DB on your PC. But how much, if any, data does Tesla store? If you were in an accident could the police subpoena Tesla to see how fast you were travelling at the time? Could the police get access to a log of your historical GPS coordinates?