Most people would rather have a vehicle that would provide utmost quietness when driving. Of course, that would mean that they would not hear the hum of the machine underneath the hood or the sound of pebbles, dirt, or sand underneath the tires. For some people, even the sound of the wind could prove to be annoying for some people. And when drivers and passengers could hear the car brakes squealing each time the brake pedal is depressed, it could be the start of a headache for some people.
When brakes squeal, it could be the start of something that could prove to be damaging to your car. One of the reasons why this happen is that the brake pads bearing excessive wear. However, it could also be that there are some deposits on the brake pads like carbon metallic. The solution to this would be to actually replace the brake pad itself. However, there are other reasons why this happen and it would be a wise move to first find out what could be the cause.
If the material your brake pad is something that is not suited to the whole brake system of your Mazda, or for any other vehicle for that matter, the squealing would not stop. Try finding the right kind of brake pad...