The central element of the MMI terminal is the control dial. The system consists of the MMI terminal and the MMI display screen. MMI consists of a single integrated interface, which controls a variety of devices and functions of the car. Production MMI was introduced in the second generation Audi A8 D3 in late 2002 and implemented in majority of its latest series of automobiles. The Multi Media Interface ( MMI) system is an in-car user interface media system developed by Audi, and was launched at the 2001 Frankfurt Motor Show on the Audi Avantissimo concept car.
