See also:

Tone
Only treble and bass can be set in the rear. The settings are made separately for the left and right headphones. Operation is the same as for the front tone. ...

Collision warning
The concep The system issues a two-phase warning of a danger of collision at speeds above approx. 10 mph/15 km/h. The time of these warnings may vary depending on the current driving situation. ...

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. ...