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:
Engine & Transmission
The CTS comes standard with a 3.0-liter V-6 engine, but our test car's
optional 3.6-liter V-6 and six-speed automatic transmission are a special pair
among drivetrains. The transmission's shifts a ...
Storing the Tire Sealant and Compressor Kit
This vehicle may have a tire sealant and compressor kit in place of a jack
or spare tire. It is located in a foam container in the rear compartment
storage area.
If the vehicle has a cargo co ...
Distracted Driving
Distraction comes in many forms and can take your focus from the task of
driving. Exercise good judgment and do not let other activities divert your
attention away from the road. Many local governme ...