I don't know about more recent vehicles, but on older cars it would have been as simple as man-in-the-middling the ignition wire which runs to the solenoid. Swi

I don't know about more recent vehicles, but on older cars it would have been as simple as man-in-the-middling the ignition wire which runs to the solenoid. Switch is in tow, the key won't start the car but things like accessories will still work.