See also:

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

Service requirements
The remaining driving distance and the date of the next scheduled service are displayed briefly immediately after you start the engine or switch on the ignition. The extent of service work requi ...

Switch off any functions that are not currently needed
Functions such as seat heating and the rear window defroster require a lot of energy and consume additional fuel, especially in city and stopand- go traffic. Therefore, switch off these functio ...