OnStar Vehicle Diagnostics can perform a vehicle check every month. It will check
the engine, transmission, antilock brakes, and other major vehicle systems. It also
checks the tire pressures, if the vehicle is equipped with the Tire Pressure Monitoring
System. If an On-Demand Diagnostics check is needed, press
, and an Advisor can run a check.
Connections
OnStar Additional InformationHill Start Assist (HSA)
This vehicle has an HSA feature, which may be useful when the vehicle is stopped
on a grade sufficient enough to activate HSA.
This feature is designed to prevent the vehicle from rolling, either forward
or rearward, during vehicle drive off. After the driver completely stops and holds
the ve ...
Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this,
notify General Motors.
Call 1-800-222-1020, or write: Chevrolet Motor Division
Chevrolet Customer Assistance Center
P.O. Box 33170
Detroit, MI 48232-5170
In Canada, call 1-800-263-3777
(English) or 1-800-263-7854
...
Using the SiriusXM Menu
Operation
Press MENU on the XM radio screen.
Press the menu to select the desired item or to display the detail menu
item.
Press to return to the previous
menu.
Favorite List
Press favorite list from the XM menu. The favorite list information is displayed.
Press or
...