1997 Buick Century Owner's Manual - Page 135

4nti-Lock Brake System Active Light ON: Your regular brake system may not be working properly if theanti-lock brake system warning light is flashing. Driving with the anti-lock brake system warning light flashing can lead an to accident. After you've pulled off the road and stopped carefully, have the vehicle towed for service. If the anti-lock brake system warning light stays on longer than normal after you've started your engine, turn the ignition off. Or, if the light comes on and stays on when you're driving, stopas soon as possible and turn the ignition off. Then start the engineagain to reset the system. If the light still stays on,or comes on again while you're driving,your Buick needs service,If the light ison but not flashing and the regular brakesystem warning light isn't on, you still have brakes, but you don't have anti-lock brakes. The anti-lock brake system warning light should come on briefly when you turn the ignition key to RUN. If the light doesn't comeon then, have it fixed so it will be ready to warn you if there is a problem. 1 When your anti-lock system is adjusting brake pressure to help avoid a braking skid, the anti-lock brake system Slippery road conditions may exist if this light comes on, so adjust your driving accordingly. The light will stay on for a few seconds afterthe system stops adjusting brake pressure. The anti-lock brake system active light also comes on briefly when you turn the ignition key to RUN. If the light doesn't comeon then, have it fixed so it will be there to tell you when the system is active. 2-59