Reactivation for Subsequent Owners
Push 
and follow the prompts to
speak to an Advisor as soon as
possible after acquiring the vehicle.
The Advisor will update vehicle records and will explain the OnStar service offers and options available.
See also:
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 ...
That Thing Got a Supercharger?
Yes, the CTS-V does indeed have a supercharged V-8, but you'd be hard-pressed
to know it by listening to the engine. Step on the gas and the most noticeable
sound is the burbling exhaust, which qu ...
Using the Navigation System
This section presents basic information needed to operate the navigation system.
Use the buttons located on the navigation system along with the available touch-sensitive
screen buttons on the navi ...