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 the
rear wheels.
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.
You can steer around the obstacle while braking hard.
As
you brake, your cornputer keeps receiving updates on
wheel speed and controls braking pressure accordingly.
4-8
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