1995 Buick Century Owner's Manual - Page 228

What to Add When you do need brake fluid, use only DOT-3 brake fluid -- such as Delco Supreme 1 l @(GM Part No. 1052535). Use new brake fluid from a sealed container only, and always clean the brake fluid reservoir cap before removing it. Brake Wear Your Buick has front disc brakes and rear drum brakes. Disc brake pads have built-in wear indicators that make a high-pitched warning sound when the brake pads are worn and new pads are needed. The sound may come and go or be heard all the time your vehicle is moving (except when you are pushing on the brake pedal firmly). NOTICE: 0 0 Don't let someone put in the wrong kind of fluid. For example, justa few drops of mineral-based oil, such as engine oil, in your brake system can damage brake system partsso badly that they'll have to be replaced. so Brake fluid can damage paint, be careful not tospill brake fluid on your vehicle. If you do, wash itoff immediately. See "Appearance Care" in the Index. NOTICE: Continuing to drive with worn-out brake pads could result in costly brake repair. 6-24