See also:

Identification Numbers
Your vehicle has several identifying numbers located in various places. The vehicle identification number (VIN) is the 17-digit number your dealer uses to register your vehicle for warranty purpo ...

Playing AM/FM Radio
You can control the AM/FM radio using voice commands. The ST indicator appears on the display indicating stereo FM broadcasts. Stereo reproduction in AM is not available. Switching the Audi ...

Models with navigation system
To use the audio system function, the ignition switch must be in ACCESSORY (q or ON . Use the interface dial or MENU button to access some audio functions. Press to switch between the nor ...