Diagnostics

OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Transferring Service

Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has changed, ...

See also:

Zoom
The camera can be useful when attaching a trailer. Press CAM to zoom in on the trailer hitch (and press this button again to return to the normal camera view). With the camera zoomed in on the ...

Average fuel consumption
The average fuel consumption since the last reset. Reset using RESET. ...

Driver and Passenger Safety
This section gives you important information about how to protect yourself and your passengers. It shows you how to use seat belts. It explains how your airbags work. And it tells you how to ...