Operating Instructions35For Backrest adjustment, moving the adjustmenthandle upwards loosens the notching of the backrest adjustment. Refer to Figure 3.After the adjustment, the handle must lock in thedesired position. It should not be possible to movethe backrest into another position when it is locked.For Armrest height adjustment, the armrests canbe folded back if required and the height individuallyadjusted.For adjusting the height of the armrest, pry out theround cap (arrow) of the cover and loosen the hexagon nut (size 13 mm) situated behind it. Set the armrests in the desired position (5 steps) and tighten thehexagon nut. Replace the cap onto the nut. Referto Figure 4.For Lumbar Support adjustment, turning the knobupwards sets the curve in the upper part of the backupholstery. Turning the knob downwards sets thecurve in the lower part of the upholstery. Refer toFigure 5.IMPORTANT: Dirt can impair the function of theseat, so make sure you keep your seat clean!For cleaning, use a standard commercially available upholstery or plastics cleaning agent. Testfirst for compatibility on a small, concealed area.RemoveCoverFigure 1Figure 2Figure 3Figure 4Figure 5