Possible causes of fault
WARNING: This page is about a different car, the 2006 Porsche Cayenne, 2005 Porsche Cayenne, 2004 Porsche Cayenne, and 2003 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.
- Button for backrest angle adjustment permanently in switching position (Mechanical fault)
- Button for backrest angle adjustment does not function (Short circuit to B+)