Fuses

Never attempt to repair a blown fuse and Replacing fuses
Never attempt to repair a blown fuse and do not replace a defective fuse with a substitute of another color or amperage rating; this could lead to a circuit overload, ultimately resulting in a fire in the vehicle.◀

See also:

Requirements
▷ The mobile phone is suitable. ▷ The mobile phone is ready for operation. ▷ Bluetooth is activated in the vehicle and on the mobile phone. ▷ Bluetooth presettings may nee ...

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

Malfunction
A message is displayed in the instrument cluster. HDC is not available, e.g., due to elevated brake temperatures. ...