See also:

System limits
Be alert Due to system limitations, warnings may be not be issued at all, or may be issued late or improperly. Therefore, always be alert and ready to intervene; otherwise, there is the danger ...

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

The concept
The iDrive combines the functions of a multitude of switches. Thus, these functions can be operated from a central location. ...