Brake on driver side front became super hot and started dragging causing the steering wheel to shake. Dealership stated calipers are fine need pins replaced. Pins on back order. In the meantime they cleaned the pins and re-lubed them and said I was good to go until the parts come in. 5 days later same exact thing. Now my tire is discolored (brownish)and my rotor is also discolored and rusted and brake dust all over rim. I seriously concerned with the integrity of the tire, wheel and whole braking system on that side. My computer show 36% front brake pad life on both sides. I have never had a vehicle wear that much in less than 1 year. Now my car sits because it is not safe to drive. DO BETTER GM!!