See also:

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar sy ...

Reporting Safety Defects to the Canadian Government
If you live in Canada, and you believe that the vehicle has a safety defect, notify Transport Canada immediately, and notify General Motors of Canada Limited. Call Transport Canada at 1-800-333-0 ...

Adjusting the Equalizer (EQ)
If the radio has this feature, the EQ can be adjusted between talk and manual. To choose an EQ setting: 1. Press the TUNE/TONE knob. 2. Select EQ. 3. Select Talk or Manual. 4. Press the Back ...