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:
Fuel Range
The Fuel Range display shows the approximate distance the vehicle can be
driven without refueling.
The fuel range estimate is based on an average of the vehicle's fuel economy
over recent driving ...
Using OnStar® Destination Download (US and Canada)
Press the blue OnStar button and an Advisor can locate a point-of-interest or
an address and download the necessary information or coordinates to your navigation
system. Once the destination is do ...
What to Use
Refer to Recommended Fluids and Lubricants to determine what kind
of lubricant to use. ...