1996 Pontiac Grand Prix Owner's Manual - Page 162
1996 Pontiac Grand Prix Manual
Page 162 highlights
And this warning lighton the instrument panel will come on briefly when you start your vehicle. When you start your engine,or when you beginto drive away, your anti-lock brake system will check itself. 'You may hear a momentary motoror clicking noise while even notice that your this test is going on, and you may brake pedal moves a little. This is normal. If there's a problem with the anti-lock brake system, the anti-lock brake system warning light will stay on or flash. See "Anti-Lock Brake System Warning Light" in the Index. Here's how anti-lock works. Let's saythe road is wet. 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 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. 4-7