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:
Gasoline Octane
Use regular unleaded gasoline with a posted
octane rating of 87 or higher. If the octane rating
is less than 87, you may notice an audible
knocking noise when you drive, commonly referred
to as sp ...
Vehicle Information Menu Items
Press MENU on the turn signal
lever until Vehicle Information Menu
is displayed. Use to scroll
through the following menu items:
• Unit
• Tire Pressure
• Jump Start (eAssist Only)
• ...
Ending a Call
Press
to end a call. ...