Public awareness regarding pollution really took off in the 70's. As a result, new methods were developed to curb the pollution problems. One major contributor to air pollution was automobile exhaust.

If you hear a high-pitched squeak emanating from the front wheels while the car is in motion, it's probably a 'brake wear indicator' telling you it's time to replace your brake pads. Don't let this minor repair job turn into an expensive brake overhaul.