Cadillac 1994 DeVille Owners Literature page 229

The light on your instrument panel will flash indicating that the hazard
warning flashers are on.
Your hazard warning flashers work no matter what position your key is in,
and even if the key isn't in.
To turn off the
flashers, pull out
on
the collar. When the
hazard warning
flashers are on, your
turn signals won't
work.
E3
OTHER W M I N G DEWCES
E 3
If you carry reflective triangles, you can set one up at the side of the road
about 300 feet (100 m) behind your vehicle.
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