OK to cut a long story short, Some clown tried to steal my car and broke the passanger door handle. There was a broken key stuck in the lock barrel. I found a 2nd hand replacement and had it fitted. I didn't get a key with the replacement handle. The door opened and closed normally but when I locked it the actuator siezed in the double lock position. The door can not be opened from inside or outside. Anybody have an idea how to rectify this? The door card is off so access is possible.