See also:

For X3 xDrive28i: Oil levelcheck
The concept The oil level is monitored electronically during driving and shown on the Control Display. If the oil level reaches the minimum level, a check control message is displayed. Displayi ...

Activating HDC
Press the button; the LED above the button lights up. ...

Display
Instrument cluster Instrument cluster Instrument cluster with enhanced features Instrument cluster with enhanced features ...