L Lowell New member Joined Nov 8, 2009 Messages 1 Reaction score 0 Points 0 Nov 8, 2009 #1 I have a 2005 GMC Envoy SLT and it has a small antenna on the roof. Is that antenna for XM Radio or is it an OnStar Antenna?
I have a 2005 GMC Envoy SLT and it has a small antenna on the roof. Is that antenna for XM Radio or is it an OnStar Antenna?
J jmb24win New member Joined Nov 8, 2009 Messages 1 Reaction score 0 Points 0 Nov 8, 2009 #2 I believe that it is for both XM and On-Star all in one antenna.
