2012 Buick Regal Owner Manual - Page 428

14-8 OnStar Privacy The complete OnStar Privacy Statement may be found at www.onstar.com. Privacy-sensitive users of wireless communications are cautioned that the privacy of any information sent via wireless cellular communications cannot be assured. Third parties may unlawfully intercept or access transmissions and private communications without consent. Add-on Electrical Equipment The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment on page 9￿52. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.