ADJUSTMENTS PRIOR TO MACHINE START 4. The air is distributed via the air ventilation nozzles (1 and 2) on the left-hand and right-hand side of the steering column. You may open or close the nozzles individually. The exhaust direction can be varied using the diffusing disks. You can di- rect the air ventilation nozzles (1) onto the front windshield and the air ventilation nozzles (2) onto the side windows. 65-8 5-11