See also:

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

The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels. ...

Children should always be in the rear
Accident research shows that the safest place for children is on the rear seat. Transporting children in the rear Transport children younger than 13 years of age or shorter than 5 ft/150 cm on ...