See also:

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 ...

Remove attached parts following use
Remove unneeded auxiliary mirrors, roof or rear luggage racks after use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...

Front head restraints
Correctly adjusted head restraint A correctly adjusted head restraint reduces the risk of injury to cervical vertebrae in the event of an accident. Adjusting the head restraint Correctly adjus ...