I've read a few of the door microswitch threads, but I think there is also the possibility of electromechanical lock actuator malfunction. I would like to diagnose this behavior: intermittently, both rear doors appear not to electrically raise the rear lock pull knobs. Pulling the driver door or front passenger door handles causes a solenoid sound, but the raising of the rear lock knobs seems to be intermittent. Manually raising the affected rear door lock knob of allows the outside rear handles to open the doors. I guess I haven't been checking to see if the rear doors are actually locked when I walk away with the keyless fob and the car locks itself.