- How to steal cars in 2018?
hacking them is the answer.
No more electrical or mechanical stuffs are needed.
Just replace the original Control Unit with a custom one, and every key will start your car.
If the car has direct access to the control Unit through OBD PORT a simple PC and a dedicated software with a proper cable you can buy for few dollars are enough to erase and reprogram from scratch the Control Unit.
Blocking the access to Control Unit and to Obd port are today the most efficient mitigations from losing your cars.