According to a recent AAA study, car crashes cost $300 billion a year, and the human cost is even greater. Experts at Consumer Reports say a technology known as electronic stability control can dramatically lower the chances of a person dying in a car accident. But until this year, not all vehicles were equipped with the safety feature - it was often offered as an upgrade. So does your car have ESC? Here's how to find out. Plus, see the technology in action.