See also:

Coolant temperature
Should the coolant, and with it the engine, become too hot, a Check Control message is displayed. Check the coolant level ...

General information
The engine oil consumption is dependent on the driving style and driving conditions. Therefore, regularly check the engine oil level after refueling. ...

Fuel quality
Fuels that are marked on the gas pump as containing metal must not be used. Refuel only with unleaded gasoline without metallic additives. Do not refuel with any leaded gasoline or gasoline ...