Front Seat Power Lumbar Assembly - Without Multi-Contour Seats
If equipped with a 2-way lumbar, the front seat power lumbar assembly is mounted to the backrest frame (serviced as an assembly).
If equipped with 4-way lumbar, the front seat power lumbar assembly is mounted to the backrest frame (serviced as an assembly). The front seat power lumbar assembly contains an air pump, air valves, hoses, and lumbar bladders.