Hỏi: Xin chao Vinh Quang Auto, minh co xe Kia Optima , xe dang chay thi thoang Dong ho Tablo noi den Check Brake, nhung luc the nay Dap phanh co Tieng keu o He thong Phanh, dong thoi Dap ga nhung xe khong the tang toc do, chi chay duoc chung 20 Km la