See also:

Messages after trip completion
Special messages that are displayed during driving are displayed again after the ignition is switched off. ...

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

Releasing
With the ignition switched on: Manual transmission: Press the switch while the brake or clutch is pressed. Automatic transmission: Press the switch while the brake is pressed or transmission ...