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:
Checking Coolant
The vehicle must be on a level surface when checking the coolant level.
Check to see if coolant is visible in the coolant surge tank. If the coolant
inside the coolant surge tank is boiling, do not ...
Safety System Check
Now and then, check that the safety belt reminder light, safety belts, buckles, latch plates, retractors, and anchorages are working properly.
Look for any other loose or damaged safety belt system p ...
California Proposition 65 Warning
Most motor vehicles, including this one, contain and/or emit chemicals known
to the State of California to cause cancer and birth defects or other reproductive
harm. Engine exhaust, many parts and ...