Chevrolet 2003 Venture Owner's Manual page 294

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.
As you brake, your computer keeps receiving updates
on wheel speed and controls braking pressure
accordingly.
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