See also:

Accessories and Modifications
Adding non-dealer accessories or making modifications to the vehicle can affect vehicle performance and safety, including such things as airbags, braking, stability, ride and handling, emissions syste ...

Adjusting the Speakers (Balance/Fade) (All Except AM-FM Radio and Radio with CD)
BAL/FADE (Balance/Fade): To adjust the balance or fade: 1. Press the knob until the speaker control tabs display. 2. Highlight the desired speaker control tab by doing one of the following: • Pr ...

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 Diagnos ...