Sirius XM RAdio Onyx Quick Start Manual page 74

Troubleshooting
If this happens:
Traffic and Weather channels
sound different from other
channels
The demo is playing
70
Try this:
These channels use a different audio technology
than other channels so they often sound different
from other channels.
Your Indoor/Outdoor Home Antenna is not
connected or you are not receiving the XM signal.
Check that the antenna is connected properly and is
not obstructed.
Press and hold the Select button for 10 seconds to
exit Demo Mode.
You can disable Demo Mode. Refer to "Demo Mode"
on page 52.