See also:

Close the windows and glasssunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

Diesel particulate filter
Soot particles are collected in the diesel particulate filter and periodically burned away at high temperatures. During the cleaning period of several minutes: ▷ The engine may temporarily ...

Fuel specifications
Gasoline engine: required fuel Do not use fuels that are labeled at the fuel pump as containing metals. Only refuel with lead-free gasoline without metal additives Do not refuel with leaded ...