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 PlayersNon-Shifting Clutch Function Verification Description Automatic Transmission Unit
The 6T70/75 transmission uses a pressure control system to apply and release clutchesduring shifts. The transmission control module (TCM) controls pressure commands tothe pressure control solenoids.As normal wear of the transmission clutches occur, the TCM performs a clutch functionverification. The ...