Buick 1993 Skylark Owner's Manual page 188

Move the switch to the
right to make your front
and rear turn' signal lights
flash on and off.
Your hazard flashers work no matter what position your
key is in, and even if the key isn't in.
To turn off the flashers,
move the switch to the left.
When the hazard warning flashers are on, your turn
signals won't work.
Other Warning Devices
If you carry reflective triangles, you can set one up at
the side of the road about 300 feet (100 m) behind your
vehicle.