Originally Posted by WiskyT
It reminds me of the way cars used to be. Ford had secure keys back in the 80's. The car couldn't be started without the password that was on a chip in the key, period. Yet, in the late 90's I was chasing stolen, brand new, BMW's, Audis, Hondas, Toyotas etc. Even the Intrepid I got didn't have the password key when higher end models of the same car had it. $10.00 worth of technology omitted form a $50,000.00 car just so thieves could steal them and keep the car companies in business.
GM's VATS used 1 of 15 resistor values built into the ignition key. If the key fit and turned the ignition switch, but didn't return the correct voltage on the VATS signal wire, the car wouldn't start. I imagine Ford used a similar system.