Hi again.
Ok, then. It's also not in the tech section. Somehow it miraculously transported itself over here.
There are lots of ways to make your car extremely difficult to steal by any means short of dragging it up onto a flatbed tow truck. There is no defense against that one. I used to have my car rigged with what was essentially a combination lock on the ignition circuit. There's a short red wire that comes out of the ignition switch that the resistor wire plugs into. I had a small rectangular metal box with a row of 5 three-position toggle switches wired sequentially with the in wire connected to the ignition switch and the out wire connected to the resistor wire with the wires connected to switches so that the first switch had to be up, the second down, etc... for the car to start. Since there are like 243 different possible ways the switches could be, there's no way a person would take the time to just start with all of them down and try every possible combination until he hits the right one. I had the actual plug end of the resistor wire up in a place that you had to remove the instrument bezel to get to with the output wire from the switch bank tied around the pedal bracket so a person couldn't just pull it down to get to the connection. That must have worked well, since I still have the car.
Ignition kill switches, 1966 Mustang Coupe 
It averages out to slightly less than a hundred cars stolen every day inside the city limits. Substantially more for the metropolitan area.
