1995 Pontiac Firebird Owner's Manual - Page 271

What toAdd When you do need brake fluid, use onlyDOT-3 brake Supreme 11 (GM Part fluid -- such as Delco No. 1052535). Use newbrake fluid from a sealed container only, and always clean the brake fluid reservoir cap before removingit. @ Brake Wear Unless you havethe four-wheel disc brake option, your Pontiac has front disc brakes and rear drum brakes. Disc brake pads have built-in wear indicators that make a high-pitched wanzing sound when the brake pads are worn and new pads needed. The sound may come and are go or be heard al the time your vehicleis moving (except l when you are pushing on the brake pedal firmly). c , NOTICE: Don't let someoneput in the wrong kindof fluid. For example, just a few drops of mineral-based oil, such as engine oil, in your brake system can damage brake system partsso badly thatthey'll have to be replaced. Brake fluid can damage paint, so be careful not tospill brake fluidon your vehicle. If you do, wash it off immediately. See "Appearance Care" in the Index. NOTICE: Continuing to drive worn-out brake pads with could result in costly brake repair. 6-38