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:
Blank Display
This display shows no information. ...
Replacement Bulbs
For replacement bulbs not listed here, contact your dealer. ...
Cooling System
2.4L L4 Engine
A. Engine Cooling Fan (Out of View)
B. Engine Coolant Surge Tank and Pressure Cap
3.0L V6 Engine
A. Engine Cooling Fans (Out of View)
B. Engine Coolant Surge Tank and Pressure ...