See also:

Priority options
The driver has priority The source selected via iDrive in the front is output on the vehicle loudspeakers and can be selected but not operated from the rear. Other audio or video sources ...

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 ...

Condensation under the parked vehicle
When using the automatic climate control, condensation water develops that exits underneath the vehicle. Therefore, traces of condensed water under the vehicle are normal. ...