2008 Buick Enclave Owner's Manual - Page 146

Hazard Warning Flashers The hazard warning flashers let you warn others. They also let police know you have a problem. The front and rear turn signal lamps will flash on and off. The hazard warning flasher button is located in the center of the instrument panel, below the audio system. Other Warning Devices If you carry reflective triangles, you can set them up at the side of the road about 300 feet (100 m) behind your vehicle. Horn Press near or on the horn symbols on the steering wheel pad to sound the horn. Press the button to make the front and rear turn signal lamps flash on and off. Press the button again to turn the flashers off. The hazard warning flashers work at all times. However, when they are on, the turn signals will not work. 3-6