Onstar becomes an anti-theft device. According to the FBI, over a million cars are reported stolen each year, and according to the National Highway Traffic Association, those stolen vehicles result in roughly 30,000 police chases which in turn cause 300 deaths. All of those numbers are grim, but so are the financial realities of what a stolen car does to your insurance. Either your rates will increase, or you’ll have to spend long hours fighting to get the money you deserve, and neither option is terribly attractive. It’s a no-brainer, then, that security and anti-theft devices are a must-have, but …