I recall when first getting the car I attempted to disable the auto-locking because I did not want that feature. It did not work by using the instructions in the manual. I can't remember now what I did, but I think I just left the veh running and held the door unlock button until I heard a beep. In any case, I was able to disable the feature and it wasn't by the method in the manual. You might just want to play around with it until it works.