An actuating device for selecting gear steps of a shift-by-wire gearshift transmission with a base housing, a selection lever, a mechanical transmission means for actuating the parking lock, and with a coupling element are arranged between the selection lever and the transmission means. The first leadframe has a set of elongated leads bent at an angle away from the plane of the first leadframe. The top surface regions 134 each include a plurality of surfaces 134a to 134d which are parallel to the light exit surface 13c and have different heights \u201ch\u201d in the direction away from the light exit surface 13c.