The multi-band antenna is on the roof of the vehicle. The antenna is used for the 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.
Satellite Radio Antenna
Audio PlayersRemoval Procedure
Warning: Refer to Approved Equipment for Collision Repair Warning in the
Preface section.
Warning: Refer to Collision Sectioning Warning in the Preface section.
Warning: Refer to Glass and Sheet Metal Handling Warning in the Preface section.
Disable the SIR System. Refer to SIR Dis ...
Installation Procedure
Remove the front wheelhouse rear panel brace (1) from service panel.
Drill 8 mm (5/16 in) for plug welding instead of the adhesive noted from
the front area of the original panel.
Note: Double the number of drills at the flange where front
wheelhouse panel and front comp ...
SIR Service Precautions
SIR Service Precautions
Warning: When performing service on or near the SIR components or
the SIR wiring, the SIR system must be disabled. Failure to observe
the correct procedure could cause deployment of the SIR components. Serious
injury can occur. Failure to observe the correct procedure
...