1996 Pontiac Trans Sport Owner's Manual - Page 147

If the light comes onwhile you are driving,pull off the road and stop carefully. You may notice that the pedal is harder to push. Or, the pedal may go closer tothe floor. It may take longer to stop. If the light is stillon, or if the anti-lock brake system warning light is flashing, have the vehicle towed for service. (See "Anti-Lock Brake System Warning Light" and "Towing Your Vehicle" in the Index.) Anti-Lock Brake System Warning Light With the anti-lock brake system, this light will c'omeon when you start your engineand it will stay on for three seconds. That's normal. Your brake system may not be working properly if the brake system warning light is on. Driving with the brake system warning light on can lead to an accident. If the light is still onor if the anti-lock brake system warning lightflashing is after you've pulled off the road and stopped carefully, have the vehicle towed for service. ~~ If the light flashes when you're driving, you don't have anti-lock brakes and there could bea problem with your regular brakes. Pull off the road and stop carefully. You may notice that the pedal is harder to push. Or, the pedal may go closer to the floor. It may take longer to stop. Have the vehicle towed for service. (See"Towing Your Vehicle" in the Index.) When the ignition is on, the brake system warning light will also come on when you set your parking brake. The light will stay on if your parking brake doesn't release fully. If it stays on after your parking brake is fully released, it means you have a brake problem. 2-75