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:
Setting the Clock
The navigation system time and the analog clock operate independently. Changing
the time through the navigation system does not change the time on the analog clock.
See Clock to change ...
Customer Assistance Offices (Mexico)
To contact the Customer Assistance Center (CAC), use the phone numbers listed
in this section. Customer assistance is available Monday through Friday, 08:00 to
20:00 hours, and Saturdays from 08:0 ...
Sense and style
Family Friendly (Not Really, Fair, Great, Excellent): Fair-Great
Fun-Factor (None, Some, Good Times, Groove-On): Good Times ...