Some forward thinking car manufacturers are already trying to get ahead of this. My new Jeep for example has a physical box upstream from the ODB2 port that ac

Some forward thinking car manufacturers are already trying to get ahead of this. My new Jeep for example has a physical box upstream from the ODB2 port that acts as a firewall blocking all non-read commands while in motion. (I of course disassembled my dash and installed a bypass so I could permanently disable the auto off at stop lights)