Fuel cap

lights up. The indicator lamp lights up.

If the fuel cap is not properly tightened, the OBD system may conclude that fuel vapor is escaping. If the cap is then tightened, the display should go out in a short time.

    See also:

    Energy recovery
    The energy of motion of the vehicle is converted to electrical energy while coasting. The vehicle battery is partially charged and fuel consumption can be lowered. ...

    Switch off the engine duringlonger stops
    Switch off the engine during longer stops, e.g., at traffic lights, railroad crossings or in traffic congestion. Auto Start/Stop function The Auto Start/Stop function of your vehicle automatically ...

    Cooling function
    The passenger compartment can only be cooled with the engine running. Press the button. The air is cooled and dehumidified and – depending on the temperature setting – warmed again. The cool ...