Audi A4 Owners & Service Manuals

Audi A4: Global functions

Additional function buttons

Additional function buttons
Fig. 21 Right side of the multifunction steering wheel

Additional function buttons
Fig. 22 MMI On/Off knob with joystick function

Adjusting the volume

You can adjust the volume of an audio source or a system message (for example, from the voice recognition system) when the sound is playing.

  • To increase or decrease the volume, turn the right thumbwheel (3) fig. 27 upward or downward, or turn the On/Off knob > fig. 22 to the right or left.
  • To mute, push the right thumbwheel or the On/Off knob.

Selecting the previous/next track or station

  • Press the button (4) or briefly press the On/Off knob to the left/right.

Fast forward/rewind

  • Press and hold the button (4), or press the On/Off knob to the left or right until the desired playback position is reached.

Quick access steering wheel button

Depending on vehicle equipment, the button (5) may provide quick access to various functions.

  • button

You can program the button with various functions.

  • To bring up the function that is currently set, press the button.
  • To perform the function that is currently set, press and hold the K button, or:
  • Applies to MMI: Select on the home screen: VEHICLE
  • Settings & Service > Steering wheel button assignment.
  • Select and confirm the desired function.

Switching the voice recognition system on or off

button (2)

Using the telephone functions

button (1)


Adjust the volume of the audio system so that signals from outside the vehicle, such as police and fire sirens, can be heard easily at all times.


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