See also:

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. ...

Roadside Assistance
At a glanceBMW Roadside Assistancecan be contacted if assistance is needed in the event of a breakdown. Contact with BMW Roadside Assistancecan also be established using a Check Control message. ...

Deleting all stored programs
Press both outer memory buttons 1 for approx. 20 seconds until the LED flashes rapidly. All stored programs are deleted. The programs cannot be deleted individually. ...