See also:

Problems with the seat ventilation
The seat ventilation has switched off prematurely. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. Switch off electrical consumers whi ...

Deactivating/activating the ECO start/ stop function
Example: ECO button If indicator lamp 2 is off, the ECO start/ stop function has been deactivated manually or as the result of a malfunction. The engine will then not be switched off automat ...

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