Depends on the make. For my 2013 Volvo I can adjust some of the driving assistant configs (e.g. disable blind spot information) and switch the light to left-han

Depends on the make. For my 2013 Volvo I can adjust some of the driving assistant configs (e.g. disable blind spot information) and switch the light to left-hand traffic. This won't explode the car, but might be enough control for some malware to cause an accident.