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. ...

Following part replacement
The same breaking in procedures should be observed if any of the components mentioned above have to be renewed in the course of the vehicle's operating life. ...