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:
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. ...
USB audio interface/audio interface for mobile phone
OverviewIt is possible to connect external audio devices. They can be operated via iDrive.
Sound is output over the vehicle speakers.
Options for connecting external devices
> Connection via US ...
Swapping the telephone and additional
telephone
The function of the telephone and additional telephone
can be swapped automatically.
1. "Telephone"
2. "Bluetooth® (phone)"
3. "Swap phone/addit. phone" ...