Multi-Band Antenna
The antenna located on the roof of the vehicle is used for the OnStar, XM 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, the performance of OnStar, XM, and GPS can be affected.
See also:
Turn Signal Indicator
The vehicle has a turn signal indicator on the mirror. An arrow on the mirror
flashes in the direction of the turn or lane change. ...
Reporting Safety Defects
to the Canadian
Government
If you live in Canada, and you
believe that the vehicle has a
safety defect, notify Transport
Canada immediately, and notify
General Motors of Canada Limited.
Call Transport Canada at
1-800 ...
Interior Care
To prevent dirt particle abrasions, regularly clean the vehicle's interior. Immediately
remove any soils. Note that newspapers or dark garments that can transfer color
to home furnishings can ...