1993 Buick Century Owner's Manual - Page 150

If you keep pace with the traffic and allow realistic following distances, you eliminate a lot of will unnecessary braking. That means better braking and longer brake life. If your engine ever stops while you're driving, brake normally but don't pump your brakes. If you do, the pedal may get harder push down. If your engine to stops, you will still have some power brake assist. But you will use it when brake. Once the power assist you is used up, it may take longer to stop and the brake pedal will be harder to push. I A CAUTION: The brake wear wamlng sound means that sooner or later p u r brakes won't work w l. el That could l a to an accident.When you hear ed the brake wear warning sound, have your vehlcle serviced. I Disc Brake Wear Indicators Your Buick has front disc brakes and rear drum brakes. Disc brake pads have built-in wear indicators that make a high-pitchedwarningsoundwhenthebrakepads are Somedrivingconditionsorclimatesmaycause a brake wornandnewpads are needed. The soundmaycomesquealwhenthebrakes are first applied or lightly and go or be heard all the time your vehicle is moving applied. This does not mean something is wrong with (except when you are pushing on the brake pedal firmly). your brakes.