1993 Buick Roadmaster Owner's Manual - Page 122

Brake System Warning Light I Your Buick's hydraulic ...brake system is divided intd two parts..IfQne-part isn't working, the other part'can stil1,work:aT;lClstop you. For g,ood. braking, though, you. need 'both parts working, .. well. . &...'. - ' i ; .L_ , ., > - This lightwill also come on when you set your parking brake, and will stay on if your parking brake doesn't If release fully. it stayson after.your parking brake is it If fully released, means you have a brake problem.the light comes on while driving, . d off the- road and p stop to carefully. You may notice that the pedal is harder push. Or, the pedal may closer to the floor.It may go If thetake longer to stop. the light is still on, have vehicle towed for service. (See "Towing Car" in Your the Index.) . If the. warning light goes an, ..., I . ,.