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.
Rear Side Door Accessory Switch Mount Plate Replacement Trim Panels/Welts
Rear Side Door Accessory Switch Mount Plate ReplacementCalloutComponent Name1Rear Side Door Accessory Switch Mount PlateProcedureStarting at the rear of the accessory switch mount plate ,usea small flat bladed tool to release the accessory switch mountplate from the door trim.Disconnect the electric ...