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 ...

Brake Assist (Except CTS-V)
This vehicle has a brake assist feature designed to assist the driver in stopping or decreasing vehicle speed in emergency driving conditions. This feature uses the stability system hydrauli ...

Lap Belt
This part is only for the lap belt. To learn how to wear a lap-shoulder belt, see Lap-Shoulder Belt  . The vehicle may have a center seating position. When you sit in the center front seatin ...