See also:

Look well ahead when driving
Avoid unnecessary acceleration and braking. By maintaining a suitable distance to the vehicle driving ahead of you. Driving smoothly and looking ahead reduces fuel consumption. ...

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 s ...

When the vehicle is parked
If you still want to view the time, external temperature and odometer reading briefly after the remote control has been taken out of the ignition lock: Press button 1 in the instrument cluster. ...