See also:

Telephone
...

Executing functions using short commands
Functions on the main menu can be performed directly by means of short commands, nearly irrespective of which menu item is currently selected, e.g., ›Vehicle status‹. List of short commands of ...

Switching on/off manually
Switching on/off manually Press the button. ▷ On: the LED lights up.<> ▷ Off: the LED goes out. ...