Switch off the engine during longer stops
Switch off the engine during longer stops, e.g., at traffic lights, railroad crossings or in traffic congestion.
Fuel savings are achieved after the vehicle is switched off for only approx. 4 seconds.
See also:
Initialization after a power failure
After a power failure, it is only possible to raise
the roof, if necessary.
Have the system initialized by your service center. ...
Malfunction
A message is displayed in the instrument cluster.
HDC is not available, e.g., due to elevated
brake temperatures. ...
Eject CD/DVD
Press the button
on the CD/DVD player. The
DVD emerges slightly from the drive. ...