2012 Buick LaCrosse Owner's Manual - Page 177

Infotainment System Notice: Contact your dealer before adding any equipment. Adding audio or communication equipment could interfere with the operation of the engine, radio, or other systems, and could damage them. Follow federal rules covering mobile radio and telephone equipment. The vehicle has Retained Accessory Power (RAP). With RAP, the audio system can be played even after the ignition is turned off. See Retained Accessory Power (RAP) on page 9‑25 for more information. 7-3 Navigation System For vehicles with a navigation system, see the separate navigation manual. Theft-Deterrent Feature The theft-deterrent feature works by learning a portion of the Vehicle Identification Number (VIN) to the infotainment system. The infotainment system does not operate if it is stolen or moved to a different vehicle.