See also:

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

General information
Danger of burns from hot engine Do not open the cooling system while the engine is hot; otherwise, escaping coolant may cause burns. Suitable additives Only use suitable additives; otherwise, ...

Maximum cooling
Press the button. The system is set to the lowest temperature, maximum air volume and recirculatedair mode. Air flows out of the vents for the upper body region. Open them for this purpose. ...