See also:

Storing wheels
Store wheels that are not being used in a cool, dry and preferably dark place. Protect the tires from oil, grease, gasoline and diesel. ...

Switching to Media Interface mode
General notes In extreme cases, starting up individual functions can take up to several minutes – this depends on the external device and its content (e.g. video podcasts). Only use the origin ...

Restoring the factory settings
Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...