If you stop and think, a modern car is a big, heavy, fast-moving computer. Computer systems, if you recall, can be hacked - and are, with alarming regularity. Guess what - so can cars, and it apparently can be done so remotely. Let that sink in for a moment, then read this Wired article.
** Update - Chrysler Fiat is issuing a substantial recall to address this **Uconnect, an Internet-connected computer feature in hundreds of thousands of Fiat Chrysler cars, SUVs, and trucks, controls the vehicle’s entertainment and navigation, enables phone calls, and even offers a Wi-Fi hot spot. And thanks to one vulnerable element, which [Charlie] Miller and [Chris] Valasek won’t identify until their Black Hat talk, Uconnect’s cellular connection also lets anyone who knows the car’s IP address gain access from anywhere in the country. “From an attacker’s perspective, it’s a super nice vulnerability,” Miller says.