1998 Chevrolet Express Van Owner's Manual - Page 203

Hazard Warning Flashers Push the buttonat the top of the steering column all the way downto make your front and rear turn signals flash on and off. Your hazard warning flashers work no matter what position your key is in, and even the key isn't in. if To turn off the flashers, pushthe button until the first click and release. Your hazard warning flashers let you warn others. They also let police know you have a problem. Your front and rear turn signal lamps will flash on and off. When the hazard warningflashers are on, your turn signals won't work. Other Warning Devices If you carry reflective triangles,you can use themto warn others. Set one up at the side of the road about 300 feet (100 m) behind your vehicle. 5-2