Helpful tips and procedures to improve performance of your Sirius XM radio can be found at Installation Help.
Make sure the Sirius XM antenna is mounted on the outside of the vehicle and that there are no obstructions blocking its view.
Refer to the "Find an FM Frequency" section in your Sirius XM radio's user guide.
Make sure the Sirius XM antenna cable is not bent or broken.
Turn your Sirius XM radio off, then on, to reset this message.
The Sirius XM Internet Radio application has the ability to deny access to location-restricted programming, primarily live sports events, if your physical location is outside of Canada, the United States or Puerto Rico.
If you have disabled location services on your device, you will need to enable them prior to accessing and listening to location-restricted programming.