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 PlayersOil Pan Removal Engine Lubrication Oil Sump/Pan
Remove the oil pan bolts-(1)and-(2).Using the pry points located at the edge of the oil panseparate the RTV sealant.Remove the oil pan-(1) from the block. ...