Multi-Band Antenna
The multi-band antenna is on the roof of the vehicle. The antenna is used for the AM&-FM radio, OnStar, the 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.
See also:
Vehicle Information Menu Items (with DIC Buttons)
(Vehicle Information): Press this button to scroll through the following menu items: ...
Uniform Tire Quality Grading
Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width.
For example: ...
Fluids
Proper fluid levels and approved fluids protect the vehicle’s systems and components.
See Recommended Fluids and Lubricants on page 11‑12 for GM approved fluids.
• Engine oil and windshiel ...