See also:

General information
The channels are offered in predefined packages. The packages must be enabled by telephone. ...

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. ...

Cargo
The trunk measures 14 cubic feet, which makes it similar in size to the Audi A8's (14.6) but smaller than the Jaguar XJ's (16.4), LS 460's (18) and S-Class' (16.3). It's quite deep and rectangular ...