Problems with the SmartKey

See also:

Cleaning the wheels
WARNING Do not use power washers with circular-jet nozzles (dirt grinders) to clean your vehicle, in particular the tires. You could otherwise damage the tires and cause an accident. ...

Problems with the engine
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Navigation system menu
Displaying navigation inst In the Navi menu, the multifunction display shows navigation instructions. For more information, see the separate operating instructions. ► Switch on COMAND ( ...