Here is a three year old article on how easy auto manufacturers have made modern theft:
(btw they have never been prosecuted)
https://www.nytimes.com/2015/04/16/style/keeping-your-car-safe-from-electronic-thieves.html
Here is how to make a key fob extender:
key fob extender - Bing
I'm sure driver-less cars are immune from hacking.
In fact I will put
your child in one just to prove I'm right.