There is a Bluetooth hacking tool that can bite into the Controller Area Network of cars’ computer and can stop the car and cause a lot of mischief.
At Black Hat Asia Spanish researchers Javier Vazquez-Vidal and Alberto Garcia Illera will show a device that when connected to cars can turn off headlights, set off alarms, and roll windows down or set the parking break. The device is called deviCan Hacking Tool or CHT.