1998 Pontiac Grand Prix Owner's Manual - Page 141

Brake System Warning Light Your vehicle's hydraulic brake systemis divided into two parts.If one part isn't working, the other can part still work and stop you. For good braking, though, you need both parts working well. I A CAUTION: Your brake system may not be working properly if the brake system warning light on. Driving is with the brake system warning light can lead on to an accident.If the lightis still on after you've pulled off the road and stopped carefully, have the vehicle towed for service. If the warninglight comes on, there is a brake problem. Have your brake system inspected right away. This light should come on when you turn the key to STmT. If it doesn't come it on then, have fixed so it will be ready towarn you if there's a problem. If the light comes on while are driving, pulloff the you road and stop carefully. You may notice that the pedal is harder to push. Or, the pedal may go closer to the floor. It may take longer to stop. If the light is on, have the still vehicle towedfor service. (See "Towing Your Vehicle'' in the Index.) I I When the ignition is on, the brake system warning light will also come on when you set your parking brake. The light will stay on if your parking brake doesn't release fully. If it stays on after your parking brake is fully released, it meansyou have abrake problem. 2-66