There are 4 warning signs if your brakes Are worn or damagednn1-When your brakes are completely worn out and the metal of brakes starts hitting on the inner metal it produces Grinding noise when we apply pressure. It is the most dangerous situation to drive a car.nn2-There are built-in pins and indicators in the brakes which gives the alarming sound and noise to the driver that pads are getting damaged.nn3-At times when you try to stop your car, you will feel heavy vibrations which is an indication of ragged brake pads.nn4-Visual indications include a thin pad and excess brake dust on a tire.