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. ...

Requirements
Via the Control Display, set a language that is also supported by the voice activation system so that the spoken commands can be identified. Set the language. ...

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...