See also:

Coolant temperature
Should the coolant, and with it the engine, become too hot, a Check Control message is displayed. Check the coolant level. ...

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

Units of measure
You can change the units for fuel consumption, route/distance, temperature and pressure. 1.  "Settings" 2.  "Language/Units" 3.  Select the desired menu item. ...