1993 Buick Regal Owner's Manual - Page 181

1 Slide the switch up to make your front and rear turn signal lights flash on and off. Your hazard warning flashers work no matter what position your key is in, and evenif the key isn't in. To turn off the flashers, slide the switch down. When the hazard warning flashers are on, your turn signals won't work. Other Warning Devices If you carry reflectivetriangles, you can set one up at the side of the road about 300 feet (100 m) behind your vehicle. 179