See also:

General information
The sound settings are stored for the remote control currently in use. ...

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. ...

Activating/deactivating via iDrive
1. "Settings" 2. "Lighting" 3. "High beam assistant" High beam assistant The setting is stored for the remote control currently in use. ...