1997 Buick Skylark Owner's Manual - Page 201

Press the switch to make your fiont and rear turn -signallamps flash 'on and off. i I. Your hazard waming flashers work matter what no position your key in, and even if the keyisn't in. is Press the switch again, turn off the flashers. to on un When the hazard warning flashers are, your t r signals won't work. Your hazard warning flashers let you warn others. They also let police knowyou have a problem. Your front and rear turn signal lamps will flash on and OR.