1998 GMC Safari Owner's Manual - Page 224

Hazard Warning Flashers The hazard warning flasher button located on top of is the steering column. to Press the button down make your front and rear turn signal lamps flash on and off. Your hazard warning flashers work no matter what position your key is in, and even if the key isn't in. Your hazard warning flashers letyou warn others. They also let police know you have a problem. Your front and rear turn signal lamps will flash and off. on To turn off the flashers, press the button down again. When the hazard warning flashers on, your turn are signals won't work. They also won't flash while you're braking. 5-2