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 PlayersPrimary Camshaft Intermediate Drive Chain Tensioner Replacement Valvetrain Camshaft
Removal ProcedureRemove the engine front cover. Refer toEngine Front Cover Replacement.Note:If the entire camshaft timing system is not inStage-2,Timing Chain Alignment Diagram, mark the timing chain andsprockets in order to ensure proper reassembly.Remove the primary camshaft drive chain tensioner. ...