The drivers door opens manually but none of the other doors will open, not even from inside with the buttons lifted up. The key will turn to manually and open the drivers door, but even by turning it again the other doors and the petrol flap won’t open. The rear doors and passenger doors won't even open from the inside with the buttons lifted up. It seems that the doors are deadlocked and probably happened when the battery was dead for a time. I think that the BCM is locked. Is there a way to fix this?