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:
Parade Dimming
This feature does not let the
instrument panel display screens
dim during daylight hours while the
ignition is in the ACC/ACCESSORY
or ON/RUN position and the parking
lamps or headlamps are ...
Different Size Tires and Wheels
If wheels or tires are installed that are a different size than the original
equipment wheels and tires, vehicle performance, including its braking, ride and
handling characteristics, stability, a ...
Maintenance When Trailer Towing
The vehicle needs service more often when pulling a trailer. See the Maintenance
Schedule for more information. Things that are especially important in trailer operation
are automatic transmission ...