Tried to charge the car only to find that when the charge cable is inserted into that car the retention mechanism just constantly makes repeated servo noises and then the flashing red light illuminates. Have checked the auxiliary battery charge has enough voltage to adequately throw the servo. The actual cable works ok in another car. Thinking it may be a stuck mechanism as it was last opened by the blue emergency pull cable. I assume that a successful latching of the mechanism is required before charging can commence...