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 PlayersInstallation 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 ...
Removal 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 &nbs ...
Low-Profile Tires
If the vehicle has P225/45R18 size tires, they are classified as low‐profile
tires. These tires are designed for very responsive driving on wet or dry pavement,
however, may produce more road noise and tend to wear faster.
Notice: Low-profile tires are more susceptible to damage from road ...