See also:

Resuming cruising speed
Press button 4: The stored speed is resumed and maintained ...

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. ...

Opening/closing the glass sunroof
When the sliding visor is open, proceed as described under Sliding visor. ...