GM Service Manual Online
For 1990-2009 cars only
Press this button located on the instrument panel, to make the front and rear turn signal lamps flash on and off. This warns others that you are having trouble. Press the button again to turn the flashers off.

While the hazard warning flashers are on, the turn signals do not work.

An indicator light on the hazard warning flasher button comes on whenever the ignition is turned on.

If the airbags are deployed, the hazard warning flashers turn on automatically. Press the button twice to turn them off.