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 PlayersCrankshaft Balancer Installation Engine Block Cylinder Block Crankshaft
Special ToolsEN-48585 Crankshaft Balancer GuideEN-48953 Camshaft Actuator Locking ToolEN 38122-A Crankshaft Balancer HolderEN 43653 Flywheel Holding ToolEN 45059 Angle MeterFor equivalent regional tools, refer toSpecial Tools.Caution:Ensure both components are aligned correctly or seriousengine dama ...