OnStar®
If the vehicle is equipped with an active OnStar system, that system may also record data in crash or near crash-like situations. The OnStar Terms and Conditions provides information on data collection and use and is available in the OnStar glove box kit, at www.onstar.com (U.S.) or www.onstar.ca (Canada), or by pressing the 
button and speaking to an advisor.
See also:
Maintenance When Trailer Towing
The vehicle needs service more often when pulling a
trailer. See Scheduled Maintenance
for more information. Things that are especially
important in trailer operation are automatic transmission ...
Hill Start Assist (HSA)
Some vehicles have a Hill Start Assist (HSA) feature, which may be useful when
the vehicle is stopped on a grade. This feature is designed to prevent the vehicle
from rolling, either forward or re ...
Index
To quickly locate information about the vehicle, use the
index in the back of the manual. It is an alphabetical
list of what is in the manual and the page number where
it can be found. ...