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 ...

Programming the Power Windows
Programming the power windows may be necessary if the vehicle's battery has been disconnected or discharged. If the window will not express up after power has been restored and a message is displ ...

Entering the Feature Settings Menu
1. Turn the ignition on. To avoid excessive drain on the battery, it is recommended that the headlamps are turned off. 2. Press the customization button to enter the feature settings menu. ...