Garmin GXM 42 SiriusXM Owner's Manual page 17

TfR dATA
Temporary Flight Restriction (TFR) data is provided
by the FAA and may not be updated outside of normal
business hours. Confirm data currency through alternate
sources and contact your local FSS for interpretation of
TFR data. This product has not been endorsed or otherwise
approved by the National Geospatial-Intelligence Agency,
or the United States Department of Defense (10 U.S.C.
425).
GXM 42 Owner's Manual 15