1997 Buick Park Avenue Owner's Manual - Page 196

The anti-lock system can change the brake pressure faster than any drivercould. The computer is programmed to make the most available tire and of road conditions. Here's how anti-lock works. Let's say the road wet. is You're driving safely.Suddenly an animal jumps out in front of you. You slam on the brakes. Here's whathappens with ABS. A computer senses that wheelsare 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. 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