1997 Buick Regal Owner's Manual - Page 139

Anti-Lock Brake System 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. Enhanced Traction System Warning Light (If Equipped) LOW TRAC TRAC OFF J 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't come on then, have it fixed so it will be there to tell you when the system is active. The Enhanced Traction System warning light may come on for the following reasons: If you turn the system off by pressing the ETS button, the warning light will come on and stay on. To turn the system back on, press the button again. The warning light should go (See "Enhanced off. Traction System'' in the Index for more information.) 2-63