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. ...

Children should always be in the rear
Accident research shows that the safest place for children is in the back seat. Transporting children in the rear Only transport children younger than 13 years of age or shorter than 5 ft/1 ...

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. ...