See also:

Energy recovery
The energy of motion of the vehicle is converted to electrical energy while coasting. The vehicle battery is partially charged and fuel consumption can be lowered. ...

Exporting/importing contacts
Contacts can be exported and imported via the Personal Profile.  The contacts stored in the vehicle are exported, but not those from the mobile phone. ...

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