1997 Buick Skylark Owner's Manual - Page 166

Anti-Lock Brakes (ABS) Your vehicle has anti-lock brakes A B S ) . ABS is an ( advanced electronic braking system that help will prevent a braking skid. When you start your engine, or when you begin to drive away, your anti-lock brake system will check itself. You may hear a momentary motor or clicking noise while this testis going on, and you may even notice that your brake pedal moves a little. Thisnormal. is If there's a problem with the anti-lock brake system, this warning light will stay on. See "Anti-Lock System WarningLight" in the Index. Here's how anti-lock works. Let's say road is wet. the You're driving safely. Suddenly animal jumps out in an front of you. You slam on the brakes. Here's what happens with ABS. See "Anti-Lock Brake System Warning Light" in the Index. A computer senses that wheels are slowing down. one If of the wheels is about tostop rolling, the computer will separately work the brakes at each wheel and at front the rear wheels.