See also:

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

Configuring the warning time
After the warning function is switched on, the warning time can be set via the iDrive. For a late warning time, prewarning is deactivated. These settings have no effect on the time of the warni ...

Camera
The camera is located on the front of the interior rearview mirror. Keep the area in front of the interior rearview mirror clear. ...