See also:

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

Selecting a station
Press the knob if the sound output is switched off. 1.  "Radio" 2.  "FM" or "AM" 3.  Select the desired station. The selected station is stored ...

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" ...