1996 Chevrolet Blazer Owner's Manual - Page 278

NOTICE: a Using the wrong fluid can badly damage Brake Wear Your vehicle has front disc brakes rear drum brakes. and 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 pushinq on the brake pedal firmly). brake system parts. For example, justfew a drops of mineral-based oil, such as engine oil, in your brake system can damage brake system parts so badly that they'll have to be replaced. Don't let someone put in the wrong kindof fluid. a If you spill brake fluid on your vehicle's painted surfaces, the paint finish can be damaged. Be careful not tospill brake fluid on your vehicle. If you do, washit off immediately. See "Appearance Care'' in the Index. The brakewear warning sound means that sooner or lateryour brakes won't work well. That could lead to an accident. When you hear the brakewear warning sound, have your vehicle serviced. NOTICE: Continuing to drivewith worn-out brake pads could result in costly brake repair.