Chevrolet 1999 Monte Carlo Owner's Manual page 116

Anti-Lock Brake System Active Light
Slippery road conditions may exist if this light comes
on, so adjust your driving accordingly. The light will
stay on for a few seconds after the system stops
adjusting brake pressure.
-
The anti lock brake system active light also comes on
briefly when you turn the ignition key to RUN. If the
light doesn't come on then, have it fixed so it will be
there to tell you when the system is active.
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When your anti lock system
is adjusting brake pressure
to help avoid a braking skid,
-
the anti lock brake system
active light will come on.
Engine Coolant Temperature Light
If you have been operating your vehicle under normal
driving conditions, you should pull off the road, stop
your vehicle and turn off the engine as soon as possible.
In "Problems on the Road," this manual shows what to
do. See "Engine Overheating" in the Index.
This light tells you that
your engine coolant has
overheated or your radiator
cooling fan(s) are
not working.
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