See also:

Tone
Only treble and bass can be set in the rear for headphones. The settings are made separately for the left and right headphones. Operation is the same as for the front tone. ...

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. ...

Front seats: adjusting the height
Adjust the head restraint so that its center is approx. at ear level. Electrical Electrical Adjusting electrically. ...