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:
If No Steam Is Coming from the Engine Compartment
The ENGINE OVERHEATED STOP ENGINE or the ENGINE OVERHEATED IDLE ENGINE message,
along with a low coolant condition, can indicate a serious problem.
If there is an engine overheat warning, but see o ...
What to Use
When windshield washer fluid needs to be added, be sure to read the manufacturer's
instructions before use. Use a fluid that has sufficient protection against freezing
in an area where the tem ...
If the Vehicle Is Stuck
Slowly and cautiously spin the wheels to free the vehicle when stuck in sand,
mud, ice, or snow. See “Rocking Your Vehicle to Get It Out” later in this section.
If the vehicle has a traction system ...