See also:

Reference
This chapter contains technical data, short commands for the voice activation system, and an index that will quickly take you to the information you need. ...

Knob in the instrument cluster
Press the knob. ▷ When the ignition is switched on, the trip odometer is reset. Press the knob for approx. 5 seconds: View service requirement display ▷ When the ignition is switched ...

Switching off
The system can be deactivated as follows: ▷ Press the button. ▷ Switch off the ignition. ...