See also:

General information
Instructions for voice activation system. To have the available spoken instructions read out loud: ›Voice commands‹ ...

Deactivating HDC
Press the button again; the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

Switching between upper and lower case letters
Depending on the menu, you can switch between entering upper and lower case letters: ...