Emergency actuating device for a movable part of a vehicle

An emergency actuating device for a closing system of a movable part of a vehicle, in particular of a door, sliding door, flap or tailgate, having at least one energy store, a communication unit for wireless communication with an ID transponder, and an electronics unit for activating a lock of the movable part, whereby the lock of the movable part can be transferred from a locking position into an unlocking position or vice versa, wherein an actuating element is provided which can be reached from outside a vehicle, so that the closing system can be switched into an emergency actuation mode by a user, and in the emergency actuation mode the communication unit can be brought into signal communication with the ID transponder, so that an authentication signal can be transmitted and, in the event of positive authentication, the electronics unit transfers the lock from a locking position into an unlocking position or vice versa.