6 May 2002Volkswagen AgMultifunction control system for use in vehicle regulates air conditioning, navigation system, mobile telephone and other applications and has menu display and bidirectional rotatable knobDE19941960A13 Sep 19998 Mar 2001Volkswagen AgMultifunktions-BedienelementDE102006023604A1 *19 May 200622 Nov 2007Paulmann & Crone GmbhAusstattungsteilEP0366132A226 Oct 19892 May 1990Bayeris