Precision Tune Auto Care started as a little tune-up shop in Beaumont, Texas, and now thrives at 350 locations throughout the United States. The company handles every new kind of vehicle on the market, and offers a 12-month/12,000-mile warranty, good at any of its of locations. These days, the teams of certified technicians service something in the neighborhood of 2.5 million vehicles every year, swapping oil in sports cars, helping doors slide smoothly on minivans, and fusing new animal traits into the DNA of hybrids.