A control system for operating a mechanical function, the system comprising a lever, a housing and at least one control cable, the lever being pivotable in at least one direction about a pivot point and comprising at least one seat for receiving a first coupling element of the at least one control cable, the control cable comprising the first coupling element, arranged at a first end of said control cable, and an outer casing, axially movable relative said control cable, the housing comprising the pivot point, and being configured for receiving the at least one control cable and to hold the outer casing of said control cable in a fixed position, wherein when assembled, a pivoting movement of the lever moves the control cable axially relative the housing and the outer casing of the control cable, which axial movement of the control cable is utilized for performing said mechanical function, wherein the control system further comprises at least one adapter element and the housing further comprises at least one first recess, configured for receiving said adapter element, wherein the at least one adapter element and the at least one first recess are form fitted with each other when coupled, which coupling locks the adapter element relative the housing in a direction parallel with the axial direction of the control cable, the adapter element comprises a body with a second recess therein, which is configured for receiving the outer casing of the control cable, and first coupling means, being operational to fixate the outer casing of the control cable in the second recess of the adapter element, characterized in that the at least one seat of the lever and the at least one first recess of the housing comprises first and second open spaces (33, 35) that are aligned with each other in an assembly direction, which is perpendicular to the axial direction of the control cable, allowing for a simultaneous coupling of the first coupling element to the at least one seat and the adapter element to the at least one first recess of the housing, along said assembly direction. the lever being pivotable in at least one direction about a pivot point and comprising at least one seat for receiving a first coupling element of the at least one control cable, the control cable comprising the first coupling element, arranged at a first end of said control cable, and an outer casing, axially movable relative said control cable, the housing comprising the pivot point, and being configured for receiving the at least one control cable and to hold the outer casing of said control cable in a fixed position, wherein when assembled, a pivoting movement of the lever moves the control cable axially relative the housing and the outer casing of the control cable, which axial movement of the control cable is utilized for performing said mechanical function, wherein the control system further comprises at least one adapter element and the housing further comprises at least one first recess, configured for receiving said adapter element, wherein the at least one adapter element and the at least one first recess are form fitted with each other when coupled, which coupling locks the adapter element relative the housing in a direction parallel with the axial direction of the control cable, the adapter element comprises a body with a second recess therein, which is configured for receiving the outer casing of the control cable, and first coupling means, being operational to fixate the outer casing of the control cable in the second recess of the adapter element, characterized in that the at least one seat of the lever and the at least one first recess of the housing comprises first and second open spaces (33, 35) that are aligned with each other in an assembly direction, which is perpendicular to the axial direction of the control cable, allowing for a simultaneous coupling of the first coupling element to the at least one seat and the adapter element to the at least one first recess of the housing, along said assembly direction.