See also:

Calls with multiple parties
General information You can switch between calls or connect two calls to a single conference call. These functions must be supported by the mobile phone and service provider. Accepting a call ...

Controls
Activating Switch position with the ignition switched on. The turning lamps are automatically switched on depending on the steering angle or the use of turn signals. Standstill function: to ...

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