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. ...

Clean the windshield, headlamps
Pull the lever. The system sprays washer fluid on the windshield and activates the wipers briefly. In addition, the headlamps are cleaned at regular intervals when the vehicle lights are switc ...

Controls
Almost all functions can be operated in the same manner as they are in the front. Special features of operating the system in the rear are described here. ...