See also:

Important safety notes
WARNING Only use carriers when the basic carrier bars have been completely mounted. The left and right roof rails are only stabilized by means of the basic carrier bars mounted. Follow the ma ...

Uniform Tire Quality Grading Standards
A uniform standard to grade the quality of tires with regards to tread quality, tire traction and temperature characteristics. Ratings are determined by tire manufacturers using U.S. government ...

Tread
The part of the tire that comes into contact with the road. ...