Abstract: An air outlet arrangement of an air-conditioning system for the rear space of a passenger motor vehicle is provided with a pivotal outlet channel that carries at its free end a ventilation grill and is integrated in its entirety in at least one pivot position spatially in, respectively, at interior equipment components arranged in the passenger motor vehicle rear space, for example, in the housing of the air outlet arrangement which, in its turn, accommodates a complete heating-, air-conditioning unit. In another embodiment, the outlet channel is tied to the back side of the backrest of the passenger motor vehicle front seat and extends nearly up to the upper end of the backrest. An optimum air-conditioning of the rear space is possible from this position.