See also:

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 ...

Connections
OnStar Hands-Free Calling allows calls to be made and received from the vehicle. The vehicle can also be controlled from a cell phone through the OnStar mobile app. See www.onstar.com for coverage m ...

When the System Does Not Seem to Work Properly
The rear vision camera system might not work properly or display a clear image if the following occurs: - It is dark. - The sun or the beam of headlamps is shining directly into the camera l ...