2004 Buick LeSabre Owner's Manual - Page 154

Security Light Your vehicle may have a content theft-deterrent alarm system. With this system, the SECURITY light will flash as you open the door if your ignition is off. For more information see Content Theft-Deterrent on page 2-18. Service Vehicle Soon Light This light will come on and stay on if your vehicle has certain non-emission related problems. Cruise Control Light The CRUISE light comes on when you set the vehicle's cruise control. These problems may not be obvious and may affect vehicle performance or durability. Consult a qualified dealership for necessary repairs to maintain top vehicle performance. This light will come on briefly when the ignition is turned on to show that it is working properly. For more information see "Cruise Control" under Turn Signal/Multifunction Lever on page 3-7. 3-44