Emergency
With Automatic Crash Response, the built-in system can automatically connect to help in a crash even if you cannot ask for it.
Push 
to connect to an Emergency Advisor. GPS technology is used to identify
the vehicle location and can provide critical information to emergency
personnel. The Advisor is also trained to offer critical assistance in
emergency situations.
See also:
Recommended Fuel
If the vehicle has a V6 engine,
use regular unleaded gasoline with
a posted octane rating of 87 or
higher. If the octane rating is less
than 87, an audible knocking noise,
commonly referred ...
OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect
to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic
Services.
The OnStar system s ...
Maintenance
Passenger Compartment Air Filter
The filter removes dust, pollen, and other airborne irritants from outside
air that is pulled into the vehicle.
The filter should be replaced as part of routine ...