Abstract: A method for operating a motor vehicle seat system, having at least two first fluid-fillable bladders and at least one second fluid-fillable bladder connected via a supply line to a common line and to a pump via this line and are fillable with fluid via this line, each first bladder having its own discharge outlet, and the second bladder not having its own discharge outlet, and having a controller which controls the filling or emptying of the bladders, the controller being configured to empty the second bladder via a discharge outlet from one of the first bladders, the second bladder being evacuated by detecting which of the first bladders is empty or is currently not used, establishing a fluid connection between the second bladder to be evacuated and the empty first bladder, and opening the discharge outlet belonging to the empty first bladder.