See also:

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 ...

Trip/Fuel Menu Items
Press MENU on the turn signal lever until the Trip/Fuel Menu is displayed. Use to scroll through the following menu items: Digital Speedometer Trip 1 Trip 2 Fuel Range Average Fuel Eco ...

Ending a Call
Press to end a call. ...