See also:

Setting the air distribution
Front control unit: Directs air through the center vents. Directs the airflow through the footwell air vents Directs the airflow through the center and footwell vents. Directs the airflo ...

Additives
Do not use any additives in the engine oil. This could damage the engine. ...

Low outside temperatures
Do not use gasoline to refuel vehicles with a diesel engine. Never mix diesel with gasoline or kerosene, as this may result in damage to the engine or fuel system. Diesel fuel with improve ...