See also:

Automatic update
About twice a year, Sirius performs an update of the channel names and positions. The update takes place automatically and may take several minutes. ...

Controls
Controls 1 Volume, on/off 2 Change wave band 3 Change entertainment sources 4 Change station/track 5 Programmable memory buttons ...

Information on navigation data
1. "Navigation" 2. Open "Options". 3. "Navigation system version" Information is displayed on the data version. ...