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. ...

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. ...

Front seat heating
Switching on Press the button once for each temperature level. The maximum temperature is reached when three LEDs are lit. Switching off Press the button longer. The LEDs go out. The te ...