1998 Buick Regal Owner's Manual - Page 137

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 engine again to reset the system. If the light still stays on, or comes on again while you're driving, your vehicle needs service. If the light ison but not flashing the regular brake system and you still have brakes, butyou warning light isn't on, 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 come on then, have it fixed so it will be ready to warn you if there is a problem. Anti-Lock BrakeSystem Active Light When your anti-lock system is adjusting brake pressure to help avoid a braking skid, the anti-lock brake system active light will come on. LOW TRAC Slippery road conditions may exist if this light comes on, so adjust your driving accordingly. The light will stay on for a few seconds after the 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'tcome on then, have it fixed so it will be there to tell you when the system is active. 2-63