See also:

Fuel grade
You should only refuel with premiumgrade unleaded gasoline, as this avoids damaging the catalytic converter. Flexible fuel vehicles, identifiable from the label inside the fuel filler flap, ...

DOT (Department of Transportation)
DOT marked tires fulfill the requirements of the United States Department of Transportation. ...

Activating/deactivating the distancewarning function
This function is only available with DISTRONIC. ► Press on the steering wheel to select the Additional functions menu. ► Press the button to select the Distance warning function ...