The multi-band antenna is on the roof of the vehicle. The antenna is used for AM-FM radio, OnStar, the SiriusXM satellite radio service system, and GPS (Global Positioning System), if the vehicle has these features. Keep the antenna clear of obstructions for clear reception.
If the vehicle has a sunroof, and it is open, reception can also be affected.
Radio Reception
Audio PlayersAnti-Corrosion Treatment and Repair Emblems/Decals/Paint
Warning:When applying sound deadeners, or anti-corrosion materialsdue care and preventative measures must be exercised to prevent anymaterial from being sprayed into door and quarter panel mechanismssuch as door locks, window run channels, window regulators and seatbelt retractors, as well as any mo ...