A handle device for a lock unit of a vehicle includes a handle part which is movably mounted relative to a door of the vehicle and which can be displaced between a rest position and an operating position. The handle part is flush with the exterior of the door in the rest position and projects from the exterior of the door in the operating position. The handle part can be manually actuated to open the door when in the operating position. The handle device further includes an actuating unit which can be used to transfer the handle part at least from the rest position to the operating position when the actuating unit is activated. The actuating unit includes a cover which can be detached from the actuating unit and a lock cylinder arranged in the handle device, such that the lock cylinder can be released by detaching the cover.