Yet, any computer can be hacked and in this case acceleration/braking/steering is and can be done on its own. As I age I procure and purchase cars prior to 2005. The new ones are disposable and can be crippled with a simple flat tire by a nail in it which trips every other sensor associated TPS (tire pressure sensor) which are many and can ONLY be serviced by dealerships.
Haven't seen any of that in the Waymo’s or Tesla Cybercabs which operate without drivers