TSB: NAVIGATION SOFTWARE UPDATE - NO SIRIUS TRAFFIC DISPLAY - This bulletin provides the procedure for updating the Navigation software on some Sportage (SL), Cadenza (VG), Optima (QF/TF), and Optima (TF HEV) vehicles, which may experience an inactive (grayed out) Sirius Traffic icon, no traffic flow shown, or a ?There is no traffic on route.? message.
