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:
Capacities and Specifications
The following approximate capacities are given in metric and English
conversions. See Recommended Fluids and
Lubricants for more information.
Engine Specifications
...
High-Beam On Light
This light comes on when the high-beam headlamps are in use.
See Headlamp High/Low-Beam Changer for more information. ...
Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and
displays a DIC message when it is necessary to change the engine oil and filter.
The oil life system should be reset ...