I have covered the hacking of cars several times – having read articles and research about the problem, I keep my wireless key fob in an RFID pouch – now a gang that was selling car hacking tools has been arrested and closed down:
European gang that sold car hacking tools to thieves arrested – The Record by Recorded Future
Further Reading
Japanese giants to offer security-as-a-service for cars • The Register
Electric Vehicle Cyber Security: Are EVs Safe? | Terranova Security