See also:

System limits
Be alert Due to system limitations, warnings may be not be issued at all, or may be issued late or improperly. Therefore, always be alert and ready to intervene; otherwise, there is the danger ...

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. ...

Functional requirements
The system must have been initialized when the tire inflation pressure was correct; otherwise, reliable signaling of a flat tire is not ensured. Initialize the system after each correction of th ...