1998 Oldsmobile 88 Owner's Manual - Page 117

Brake System Warning Light Your vehicle's hydraulic brake system divided into is the two parts.If one part isn't working, 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. This light should come on when you turn the key to START. Ifit doesn't come on then, have fixed so it it will be ready to warn you if there's a problem. If the light and chime come on while you are driving, You may notice that pull off the road and stop carefully. go the pedal is harder to push. Or, the pedal may closer If to the floor. It may take longer to stop. the light is still on, havethe vehicle towed for service. (See "Towing Your Vehicle" in the Index.) I A CAUTION: Your brake system may not be working properly is if the brake system warning lighton. Driving 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. When the ignitionis on, the brake system warning light will also come on when you set your parking on brake. The light will stay if your parking brake If doesn't release fully. you try to driveoff with the parking brake set, a chime will also come on until you release the parking brake.If the light and chime stay on is after your parking brake fully released,it means you have a brake problem. 2-58