I can attest that the car should never lock with the key fob inside. However, a weak or non -functioning fob won't be recognized and therefore, the doors can lock.I jnow this is annold post but i am currently experiencing the same issue. Car is running with fob inside and everything, including trunk is locked.
Just changed the batteries for winter since they froze. What the heck would anyone get from posting something about a car that is false