2007 Toyota Prius Owners Manual - Page 352

6. Radial tires or bias −ply tires- A radial tire has "RADIAL" on the sidewall. The tire not marked with "RADIAL" is a bias −ply tire. 7. "TUBELESS" or "TUBE TYPE" - A tubeless tire does not have a tube inside the tire and air is directly filled in the tire. A tube type tire has a tube inside the tire and the tube maintains the air pressure. 8. Load limit at maximum cold tire inflation pressure- For details, see "Checking and replacing tires" on page 411. 9. Maximum cold tire inflation pressure- This means the pressure to which a tire may be inflated. For recommended cold tire inflation pressure, see "Tires" on page 434. 10. Uniform tire quality grading- For details, see "Uniform tire quality grading" that follows. 335