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:
Selecting the Right Engine Oil
Selecting the right engine oil depends on both the proper oil specification and
viscosity grade. See Recommended Fluids and Lubricants .
Specification
Use and ask for licensed engine oils wi ...
Backing Up
Hold the bottom of the steering wheel with one hand. Then, to move the trailer
to the left, move that hand to the left. To move the trailer to the right, move
your hand to the right. Always back u ...
What to Use
To determine what kind of fluid to use, see Recommended Fluids and Lubricants . Always use the proper fluid.
Notice: Use of the incorrect fluid may damage the vehicle and the damages may
not ...