See also:

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

Roadside Assistance
At a glance BMW Roadside Assistance can be contacted if assistance is needed in the event of a breakdown. Roadside Assistance can also be contacted via a Check Control message ...

Sound output
Switching on/off When the ignition is switched off: press ON/OFF button on the radio. Muting When the ignition is switched on or the engine is running: press the ON/OFF button on the radio. ...