Watching a show in Hulu called Call 911. It has a carjacking and the cops call OnStar to help locate the vehicle. After a few steps they help the police out. When the Officer says he is behind the vehicle OnStar says they will start flashing the lights on the vehicle so the police could verify that it was the correct area. After doing that, OnStar then shuts the gas off to the vehicle so the driver would have control of the vehicle but the vehicle would slowly stop running. This was pretty crazy as I didnt know they could do all of that.