Does it really matter if the vehicle is not connected to the Internet in any way?
I mean, if an attacker has physical access to the insides of your car, all bets are off and is now his vehicle.
I mean, if an attacker has physical access to the insides of your car, all bets are off and is now his vehicle.
Remember it's not just the internet that makes you susceptible, it's any network.
I mean, I take your general point, but I'm almost certain that 99.9% of people breaking into cars do it to steal them, not to install a virus that will track your location or make your car crash. Both of those can be achieved trivially without even opening the car.