KAB Executive ACS (Air Comfort System)It features eight electrically adjustable air bags in the seat and back cushions. These provide optimum comfort and ergonomic support. Three air bags are located in the backrest which provide variable height lumbar support. Two are located in the side cushions which provide customised side support. Two are located in the side bolsters of the seat cushion and the final one is located in the front thigh cushion for customised thigh support. Back