See also:

Oil change
An oil change should be carried out by your service center only. ...

Socket for OBD Onboard Diagnosis
There is an OBD socket on the driver's side for checking the primary components in the vehicle emissions. Emissions ▷ The warning lamp lights up: Emissions are deteriorating. Have th ...

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 ...