Acura 2011 RDX Owner's Manual page 238

Playing the XM Radio (Models with navigation system)
®
XM Radio Display Messages
''LOADING'' － XM is loading the
audio or program information.
''OFF AIR'' － The channel currently
selected is no longer broadcasting.
234
''UPDATING'' － The encryption
code is being updated. Wait until the
encryption code is fully updated.
Channels 0 and 1 should still work
normally.
''NO SIGNAL'' － The signal is
currently too weak. Move the vehicle
to an area away from tall buildings,
and with an unobstructed view of the
southern horizon.
2011 RDX
'' - - - - '' － The selected channel
number does not exist, or is not part
of your subscription, or this channel
has no artist or title information at
this time.
''ANTENNA'' － There is a problem
with the XM antenna. Please consult
your dealer.