1997 Buick Riviera Owner's Manual - Page 133

Brake system Warning Light Your Buick's hydraulic brake system divided into two is parts. If one part isn't working, the other part can still work and stop you. For good braking, though, you need both parts working well. If the warning light comeson, there could be a brake problem. Have your brake system inspected right away. * Tlus light should come on when you turn the key to STmT. If it doesn't come on then, have fixed so it it When the ignitionis on, the brake system warning light will be ready to warn you if will also come on when you set your parking brake. The there's a problem. if light will stay on your parking brake doesn't release off fully. If you try to drive with the parking brake set, a chimewill also come on until you release the parking brake. If the light and chime stay on after your parking brake is fully released, means you have a it brake problem. If the light and chime come on while you are driving, You may notice that pull off the road and stop carefully. the pedal is harder to push. Or, pedal maygo closer the If to the floor. It may take longer to stop. the light is still on, have the vehicle towed service. (See "Towing for Your Vehicle" inthe Index.) Your brake system may not be working properly if the brake system warning light Driving is on. with the brake system warning light on can lead to an accident, If the light is still on after you've pulled off the road and stopped carefully, have the vehicle towed for service. 2-72