StabiliTrak® System
The StabliTrak system assists with directional control of the vehicle in difficult driving conditions. The system turns on automatically every time the vehicle is started.
• To turn off both TCS and
StabiliTrak, press and hold the
TCS/StabiliTrak button, located
on the console to the right of the
shift lever, until 
and
illuminate and the appropriate
DIC message is displayed. See
Ride Control System Messages.
• Press and release the TCS/StabiliTrak button to turn on both systems.
For more information, see StabiliTrak® System.
See also:
How to Inspect the Engine AirCleaner/Filter
To inspect the air cleaner/filter remove the filter
from the vehicle and lightly shake the filter to
release loose dust and dirt. If the filter remains
caked with dirt, a new filter is required.
...
When the Light Is On Steady
This indicates that one or more of
the tires are significantly
underinflated.
A Driver Information Center (DIC)
tire pressure message may also
display. See Vehicle Messages for more informati ...
OnStar®
If the vehicle has OnStar and you subscribe to the
OnStar services, please refer to the OnStar Terms and
Conditions for information on data collection and use. ...