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 PlayersNavigation Signal Splitter Replacement Entertainment
Navigation Signal Splitter ReplacementCalloutComponent NamePreliminary ProcedureRemove the driver side knee bolster reinforcement. Refer toDriver Knee Bolster Reinforcement Replacement1Navigation Signal Splitter Bolt (Qty:-2)Caution:Refer toFastener Caution.Tighten9-Y(80-lb-in)2Navigation Signal Spl ...