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 PlayersFastener Tightening Specifications - Engine
Fastener Tightening SpecificationsApplicationSpecificationMetricEnglish3-Way Catalytic Converter to Front Pipe Nut50-Y37-lb-ft3–Way Catalytic Converter Nut20-Y15-lb-ft3-Way Catalytic Converter to Rear Muffler (Clamp) Nut40-Y30-lb-ftCatalytic Converter to Cylinder Head (LFX) - First PassCatalytic C ...