It's interesting to read how many comments here underestimate the sophistication and expertise of mechanics and car thieves, and, all of the poor suggestions to

It's interesting to read how many comments here underestimate the sophistication and expertise of mechanics and car thieves, and, all of the poor suggestions to overcome theft. This despite the userbase being technical. I wonder if there's a mechanics forum somewhere in which posters are confidently proposing Caesar ciphers and so on.