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.
Propeller Shaft Runout Measurement Driveshafts Propeller Shaft Assembly
Special ToolsGE-7872Magnetic Base Dial Indicator Set, or equivalentGE-8001Dial Indicator Set, or equivalentFor equivalent regional tools, refer toSpecial Tools and Equipment.Note:This measurement procedure is intended to measure propellershaft runout for prop shaft systems with2-or-3 U-joints only. ...