See also:

Running a function
Press the button. The function will run immediately. This means, for example, that the number is dialed when a phone number is selected. ...

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 ...

System limits
Sudden tire damage Sudden serious tire damage caused by external influences cannot be indicated in advance. The system does not operate correctly if it has not been reset. For example, a flat t ...