See also:

General information
Switch position: 0, If the driver door is opened with the ignition switched off, the exterior lighting is automatically switched off at these switch settings: ...

What to do if …
What to do if… > The current position cannot be displayed? The position is in an unrecognized region, in a poor reception area, or the system is in the process of determining the position. Rece ...

Tone
Only treble and bass can be set in the rear. The settings are made separately for the left and right headphones. Operation is the same as for the front tone. ...