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. ...

Continuing destination guidance
If the destination was not reached during the last trip, destination guidance can be resumed. "Resume guidance" ...

Deleting contacts
1. "My contacts" 2. Highlight the contact. 3. Open "Options". 4. "Delete contact" or "Delete all contacts" ...