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. ...

Switch off the engine during longer stops
Switch off the engine during longer stops, e.g., at traffic lights, railroad crossings or in traffic congestion. Fuel savings are achieved after the vehicle is switched off for only approx. 4 s ...

The concept
Dynamic Performance Control optimizes the handling characteristics of your vehicle when starting off, cornering, and during evasive maneuvers. To achieve this, the system variably distributes t ...