See also:

The concept
This system can be used to select a desired speed that the vehicle will maintain automatically on clear roads. To the extent possible, the system automatically adjusts the speed to a slower veh ...

Switching off
Press the button repeatedly until the LEDs go out. ...

Switching on/off manually
Press the button. On: the LED lights up. Off: the LED goes out. The PDC is shown on the Control Display. Switch on the backup camera via the iDrive. ...