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:
Uniform Tire Quality
Grading
Quality grades can be found
where applicable on the tire
sidewall between tread shoulder
and maximum section width.
For example: ...
Jump Starting
For more information about the vehicle battery, see Battery .
If the vehicle is a hybrid, see the hybrid supplement for more information.
If the vehicle's battery has run down, you may wan ...
Adding or Changing Preset Destinations
This feature allows additions or changes one of five preset destinations. When
a destination has been added as a preset destination, it is available to select
from the Destination Entry screen. Se ...