Changing the scale
1. 
Select the symbol.
2. To change the scale: turn the controller.
Automatically scaled map scale
In the map view facing north, turn the controller in any direction until the AUTO scale is displayed. The map shows the entire route between the current location and the destination.
See also:
Switching on/off manually
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. ...
Tachometer
Never force the engine speed up into the red warning field, see arrow. In this
range, the fuel supply is interrupted to protect the engine. ...
Treble, bass, balance, and
fader
▷ "Treble": treble adjustment.
▷ "Bass": depth adjustment.
▷ "Balance": left/right volume distribution.
▷ "Fader": front/rear volu ...