Anti-Lock Brake System (Abs) - GMC C series 2002 Owner's Manual

Anti-Lock Brake System (ABS)

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Your vehicle has anti lock brakes. 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
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anti lock brake system, this
warning light will stay on.
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See "Anti Lock Brake
System Warning Light" in
the Index.
Let's say the road is wet and you're driving safely.
Suddenly, an animal jumps out in front of you.
You slam on the brakes and continue braking.
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.