See also:

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...

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. ...

Changing, maintaining, and storing the speed
The rocker switch can be pressed while the system is interrupted to maintain and store the current speed. DSC Dynamic Stability Control is switched on, if necessary. Adapting the desired speed ...