See also:

General information
The engine oil consumption is dependent on the driving style and driving conditions. Therefore, check the engine oil level after every refueling using the electronic engine oil level check. ...

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

Sound output via speakers
In addition to the headphones, you can also play the sound via the vehicle speakers. 1. "CD/Multimedia" 2. "External devices" 3. "AUX rear" 4. "Volume" 5 ...