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. If PDC is displayed, switch on the backup camera via the iDrive ...

Checking the engine oil level
Your car is equipped with an electronic engine oil level check. Requirements ▷ The engine must be running and warm after the vehicle has been driven for at least 6.2 miles/10 km. ▷ ...