2004 Buick Century Owner's Manual - Page 106

Hazard Warning Flashers The hazard warning flasher button is located on the top of the steering column. Press the button to activate the front and rear turn signals to flash on and off. The hazard warning flashers work no matter what position the key is in, and even if it is not in the ignition. When the hazard warning flashers are on, the individual turn signals will not operate. The hazard warning flashers let you warn others to use caution when approaching your vehicle. They also let police know you have a problem. Other Warning Devices If you store reflective, safety triangles in the vehicle, put one at the side of the road, about 300 feet (100 m) behind the vehicle to warn oncoming traffic of an emergency situation. 3-4