Anti-Lock Brake System (ABS)- Page 183

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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.

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. This can help you steer around the obstacle
while braking hard.

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