See also:

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 ...

Deleting all stored programs
Press both outer memory buttons 1 for approx. 20 seconds until the LED flashes rapidly. All stored programs are deleted. The programs cannot be deleted individually. ...

Selecting a channel
You can only listen to enabled channels. The selected channel is stored for the remote control currently in use. Via iDrive1.  "Radio" 2.  "Satellite radio" 3.  ...