Touch sensors from Kurz subsidiary PolyIC have been integrated into capacitive volume controls from the automotive supplier Preh.    The control is located on the center console of the new Audi A3, model AU380.    It can be conveniently operated by the front passenger and controlled either via a mechanical push function or capacitive touch function.    The PolyTC brand name sensor ensures the reliable functioning of the capacitive touch operation – even after multiple uses, as proven...