See also:

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

When the vehicle is parked
If you still want to view the time, external temperature and odometer reading briefly after the remote control has been taken out of the ignition lock: Press button 1 in the instrument cluster. ...

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" ...