See also:

Tires
Display messages Possible causes/consequences and Solutions USA only: The yellow tire pressure monitor warning lamp (pressure loss/ malfunction) is lit. Risk of accid ...

Switching wavebands
See "Switching wavebands" in the radio mode section. ...

Important safety notes
WARNING Severe conditions (e.g. strong air pollution) may require replacement of the filter before its scheduled replacement interval. A clogged filter will reduce the air volume to the int ...