2012 Honda Accord Owner's Manual - Page 421

Tire Labeling The tires that came on your vehicle have a number of markings. Those you should be aware of are described below. Tire Labeling Example (1) Tire Size 93 Whenever tires are replaced, they should be replaced with tires of the same size. Following is an example of tire size with an explanation of what each component means. P225/50R17 93V P 225 50 Vehicle type (P indicates passenger vehicle). Tire width in millimeters. Aspect ratio (the tire's section height as a percentage of its width). Tire construction code (R indicates radial). Rim diameter in inches. Load index (a numerical code associated with the maximum load the tire can carry). Speed symbol (an alphabetical code indicating the maximum speed rating). V Technical Information (4) (3) (1) (2) (3) (4) (2) (1) R 17 Tire Size Tire Identification Number (TIN) Maximum Tire Pressure Maximum Tire Load 418 2012 Accord Sedan