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:
Climate Controls
The heating, cooling, defrosting, and ventilation for the vehicle can be controlled
with these systems. ...
Fuel Additives
To provide cleaner air, all gasolines in the United States are now required to
contain additives that help prevent engine and fuel system deposits from forming,
allowing the emission control syste ...
Safety Chains
Always attach chains between the vehicle and the trailer. Cross the safety chains
under the tongue of the trailer to help prevent the tongue from contacting the road
if it becomes separated from t ...