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

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 ...

Displaying contacts
General information 1. "Office" 2. "Contacts" All contacts are listed in alphabetical order. Depending on the number of contacts, an A-Z search is offered. A symbol indic ...