See also:

Pairing and connecting cell phone
Pairing the mobile phone To avoid becoming distracted and posing an unnecessary hazard both to your own vehicle's occupants and to other road users, only pair the mobile phone while the vehicl ...

Activating HDC
Press the button; the LED above the button lights up. ...

Switching on/off manually
Switching on/off manually Press the button. ▷ On: the LED lights up. ▷ Off: the LED goes out. ...