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What to do if...
Only a black screen is visible. Switch on the system. There are no options available on the screen. Switch over between the display screens. Radio stations or TV channels are grayed out ...

Entry comparison
Entry of names and addresses: the selection is narrowed down every time a letter is entered and letters may be added automatically. The entries are continuously compared to the data stored in t ...

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