What you might consider is disconnecting the linkage between the lock cylinders and that the latch assemblies. That would mean the doors would not unlock even if they were able to turn the cylinders with or without the key. The problem is the car has to have remote keyless entry, meaning you have a key fob to unlock the doors. The other problem is if the car's battery goes dead or fails, you'll have to break a window to get in. GM ran into that around 2007 with their Corvettes. The brilliant engineers didn't even put door locks in the doors. The key fob has a proximity sensor that unlocks the doors when you get close to the car. They never considered that most people, at least up north, park those cars for the winter. It is common for the numerous computer memory circuits to drain a good battery within three weeks. Now the question the dealer asks is "which window do you want us to break to get in so we can pop the hood to connect jumper cables?"
In later years they added jumper terminals that were accessible without opening the hood or breaking a window.
You might also consider installing a hidden unlock switch somewhere that's not too noticeable in case the battery in the key fob goes dead, (or you lock the keys in the car).
Tuesday, May 19th, 2015 AT 7:51 PM