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 PlayersAdhesive Installation of Liftgate Windows Trunklid/Tailgate/Cargo Doors
Warning:Refer toGlass and Sheet Metal Handling Warning.Use a urethane adhesive systems which meet GM SpecificationGM-3651GRemove all mounds or loose pieces of urethane adhesive fromthe pinchweld area.If the original window is being reused, remove all butapproximately 2-mm-(3/64-in) ofthe existing be ...