1997 Chevrolet Tahoe Owner's Manual - Page 313

NOTICE: 0 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). Using the wrong fluid can badly damage a brake system parts. For example, justfew 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. If you spill brake fluid on yourvehicle's painted surfaces, the paint finish can be damaged. Be careful not to spill brake fluid on your vehicle. If you do, wash itoff immediately. See "Appearance Care" in the Index. I The brake wear warning sound means that soon your brakes won't work well. That could lead to an accident. When hear the brake wear you warning sound, have your vehicle serviced. Brake Wear Your vehicle has front disc brakes and rear drum brakes. r I NOTICE: Continuing to drive with worn-out brake pads could result incostly brake repair. Disc brake pads have built-in wear indicators that make a high-pitched warning sound when the brake pads are Some driving conditions or climates may cause a brake squeal when the brakes are first applied or lightly applied. This does not mean something is wrong with your brakes.