1994 Pontiac Trans Sport Owner's Manual - Page 153

Your Driving andthe Road Here's how anti-lock works. Let's say the road is wet. You're driving safely. (CONT) Suddenly an animal jumps out in front of When you start your vehicle, or when you you. begin to drive away, you may hear a You slam on the brakes. Here's what momentary motor or clicking noise. And happens with ABS. you may even notice that your brake pedal moves a little while this is going on. A computer senses that wheels are slowing down. If one of the wheels is This is the ABS system testing itself. about to stop rolling, the computer will (You may also hear a clicking noise if you separately work the brakes at each front leave the ignition in the "Run" position for about four seconds before starting the wheel and at the rear wheels. vehicle.) If there's a problem with the The anti-lock system can change the anti-lock brake system, the anti-lock brake pressure Faster than any driver brake system warning light will stay on or could. The computer is programmed to flash. make the most of available tire and road Anti-Lock Brakes (ABS) 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. Remember: Anti-lock doesn't change the time you need to get your foot up to the brake pedal. If you get too close to the vehicle i n front of you, you won't have time to apply your brakesif that vehicle suddenly slows or stops. Always leave enough room up ahead to stop, even though you have anti-lock brakes. See "Anti-Lock Brake System Warning Light" in the Index. conditions. . 152