1997 Buick LeSabre Owner's Manual - Page 178

r The anti-lock system change the brake pressure can faster than any driver could. The computer is programmed to make most of available tireand the road conditions. Here's how anti-lock works.Let's say the roadis wet. in You're driving safely. Suddenly an animal jumps out front of you. ABS. You slam on the brakes. Here's what happens with A computer sensesthat wheels are slowing down. one If 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 steeraround the obstaclewhile braking hard. As you brake, your computer keeps receiving updates on wheel speed and controls braking pressure accordingly. 4-8