Hackers have found ways around these protections, using creative methods and hardware to capture the necessary codes and redeploy them against cars. How easy is the car key fob hack, really ...

By wiring up an ESP8266 to a cheap aftermarket key fob for his Chevrolet Suburban ... an errant splice or a misplaced line of code. The hardware for this project is about as simple as it gets.

But when you consider that it quietly removed the feature from key fobs and stopped selling dedicated hardware for new models so it could be a permanent feature, then the carmaker’s generosity ...