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 PlayersDrive Range, First Gear Engine Braking (Gen 2/Hybrid) Automatic Transmission Unit
Note: Some models of the 6T30/40/45/50 automatic transmissionare equipped with an electric auxiliary fluid pump for use inhybrid vehicles (BAS+). Hybrid vehicles do not require internalcombustion engine (ICE) operation at all times. After a successfulengine start, the hybrid powertrain control modul ...