See also:

For US customers
The following only applies to vehicles owned and operated in the US. If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediate ...

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

Display in the instrument cluster
The selected speed is displayed in the speedometer. Green: the system is actively braking the vehicle. Orange: the system is on standby. ...