An insert for ventilating a vehicle seat having a frame and cushioning supported on the frame covered by an air permeable cover covering the cushion includes an air permeable spacer having a top surface for facing the covering, a bottom surface for disposi...

The monitoring device has at least one electrical tapping (AB1,AB2) between at least two heating elements (HE1-HE3) that is electrically connected to an evaluation unit (A1,A2), whereby the evaluation unit compares the tapped signals with internal threshol...