See also:

Priority options
The driver has priority The source selected via iDrive in the front is output on the vehicle loudspeakers and can be selected but not operated from the rear. Other audio or video sources ...

Emissions
The warning lamp lights up: The vehicle is producing higher emissions. The trip can be continued. Have the car checked as soon as possible. Canadian models display this warning lamp. The lamp f ...

Avoid high engine speeds
Driving at a low engine speed reduces fuel consumption and minimizes wear. ...