See also:

The concept
The automatic engine start-stop function helps save fuel. The system switches off the engine during a stop, e. g., in a traffic congestion or at traffic lights. The ignition remains switched on. ...

Switching on/off manually
Switching on/off manually Press the button. ▷ On: the LED lights up.<> ▷ Off: the LED goes out. ...

Oil change
An oil change should be carried out by your service center only. ...