Chevrolet 2000 C-Series Owner's Manual page 135

Anti-Lock Brakes (ABS)
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Your vehicle has anti lock brakes (ABS). ABS is an
advanced electronic braking system that will help
prevent a braking skid.
When you start your engine and begin to drive away,
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your anti lock brake system will check itself. You may
hear a momentary motor or clicking noise while this test
is going on. This is normal.
4-8
If there's a problem
with the anti-lock
brake system, this
warning light will stay
on. See "Anti-Lock
Brake System Warning
Light" in the index.
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Here's how anti lock works. Let's say the road is wet.
You're driving safely. Suddenly an animal jumps out in
front of you.
You slam on the brakes. Here's what happens with ABS.
A computer senses that wheels are slowing down. If one
of the wheels is about to stop rolling, the computer will
separately work the brakes at each wheel.