Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service.
Get subscription plan pricing and sign up for OnStar Vehicle Diagnostics. Click on the “My Account” tab on the home page.
See also:
What to Use
Refer to Recommended Fluids and Lubricants to determine what kind
of lubricant to use. ...
Manual Transmission
Skip Shift (CTS–V)
Under light acceleration, the
transmission will only allow
shifting from 1 (First) to 4 (Fourth).
This helps improve fuel mileage.
Under harder acceleration, Skip
Shift is ...
Turning the System On and Off
Press this button, located next to the radio, to disable URPA.
The indicator light will come on and PARK ASSIST OFF displays on the Driver Information
Center (DIC). See Object Detection System Me ...