See also:

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

Adjusting
Adjusting 1. Fold the lever down. 2. Move the steering wheel to the preferred height and angle to suit your seating position. 3. Fold the lever back. ...

Remove attached parts following use
Remove unneeded auxiliary mirrors, roof or rear luggage racks after use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...