See also:

DOT (Department of Transportation)
DOT marked tires fulfill the requirements of the United States Department of Transportation. ...

Tire size designation, load-bearing capacity and speed rating
1 Tire width 2 Nominal aspect ratio in % 3 Tire code 4 Rim diameter 5 Load bearing index 6 Speed rating Tire data is vehicle-specific and may deviate from the data in the example. Genera ...

On-board diagnostic interface
WARNING If you connect equipment to the on-board diagnostics interface, it can affect the operation of the vehicle systems. This can impair the operating safety of your vehicle while driving ...