The anti-lock system
can
change the brake pressure faster
than
any
driver could. The computer
is
programmed
to
make
the most
of
available
tire
and road conditions.
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 front wheel and at
both rear wheels.
You can steer around the obstacle while braking hard.
As
you
brake, your computer keeps receiving updates on
wheel speed and controls braking pressure accordingly.
4-8
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