The primary function of MMI system (entertainment, communication, information and traffic control system) can be accessed through the manipulation of eight specific keys completed in menu, all the features of the confirmation can be activated through the rotary control knob or completed, various Manipulating keys represent different functions, and they can also enter through the lower level menu. When entering different menu, it will appear on the screen corresponding note, rather than pressing the button to return to quickly return the initial menu. At the same time, MMI has a memory function, the use of frequent feature automatically ranked in the menu of priority, to facilitate access.

Generally speaking: MMI control functions can be divided into two major parts: vehicle entertainment and information system.

Vehicle System Settings
After opened the initial default interface of MMI, it is the "air suspension" mode, a high level, comfortable, automatic, dynamic four, through the knob to select and press after the entry into force; if selected in a mode, press Operation panel on the "SET UP" button, will be hoisted into the air to "lift mode and trailer model" set up if the lower-left corner display screen by pressing the "system" soft key, the vehicles will enter into other systems Settings, including: voice-activated parking system, windows, background lighting, external lighting, central locks, the former window wipers, seat adjustment, combined instruments, vehicle identification number, battery charging status, tire pressure monitoring systems, maintenance Tips and other content.

Information entertainment system operation
When the system open, press the "RADIO", "CD / TV", "NAV", "TEL" button on the operation panel, it will switch to the corresponding interface from the current interface, and then select soft key tips around the four angles of display to enter the appropriate settings menu.

Audi A6L assembles MMI. It integrates the vehicle control, feature set, information and entertainment, navigation systems, car phones, such as a number of functions, the pilot can quickly and easily from the enquiry, set up, switching vehicles of various information systems, so that vehicles achieve the desired operation And the manipulation of state. MMI system was first used in A8, optimized improved, applied to the A6 model, is now equipped with Audi's MMI models including the A8, A6, Q7 and A4 the next generation of several series.

Audi's MMI system is actually more traditional buttons and BMW, "a knob to control all functions of the" concept of operations of the two complexes, some of it tedious to also control the functions of integration in a knob, but the most important first Choice of the function keys or get on, thus eliminating the knob in the selection of the first layer. It is the contradiction between the two operational concepts of integration, the people familiar with the view that it powerful, operation is relatively easy, and not familiar with the button too many people feel it.