[zamnos]

Given range extender attacks on key fobs for cars (and subsequent methods to defeat that attack) techy thieves have always been around.

There are rumors that the algorithm and secret key for various manufacturers has been broken, and that any car with a remote can be stolen after recording the unlock and start sequence from nearby. But if you had the code that would do that, it's not like you'd upload it to GitHub, so that rumor remains just that, a rumor.