Modern cars are constantly connected to the outside world. This makes them vulnerable to hackers who want to take control of the vehicle remotely. Researchers at the University of Gothenburg and Chalmers University of Technology have found that IT vulnerabilities have shifted from the car’s own computer systems to apps and cloud services connected to it.
Valid point… And yes, Onstar is a huge vulnerability…as is pointed out in every movie where a car gets hacked for one reason or another. ;-)
I’m a ford guy, and in my Mustang, the Sync unit is unplugged, because fuck Sync.