See also:

Diagnosis OBD
On the driver's side is an OBD socket for checking components relevant to the composition of the vehicle's emissions. ...

Only refill the diesel exhaust fluid yourself in exceptional circumstances
To be able to reach the nearest service center with your vehicle, you may refill the diesel exhaust fluid yourself, making sure to heed the warning notices specified below. Handling diesel ex ...

AUTO program
Press the button. Air volume, air distribution, and temperature are controlled automatically. Depending on the selected temperature, AUTO intensity, and outside influences, the air is directed ...