Frequently Asked Questions
This is the tire size information. 315 is the tire width in millimeters. The 35 represents the aspect ratio, a percentage of the tread width that equals the sidewall height. Moreover, "R" stands for the radial construction type, and 18, indicates the diameter in inches.
Occasionally check the tread depth with a tread-depth gauge. At 2/32 of an inch in tire tread depth or less, it's time to change the tires due to safety concerns. Look at the tires for unequal wear, hacking up, protrusions or other damages. These are signs of alignment, suspension or tire damage that may need to be replaced.
A tire sidewall showing the DOT code, which displays a genuine manufacturing date. The remaining four digits tell you its producing week and year. For instance, "3219" indicates the tire was manufactured in the 32nd week of 2019.
Maintain tire pressure, rotate tires regularly, check for wear or damage, and ensure proper alignment. Moreover, avoid overloading the vehicle, aggressive driving, and exposure to chemicals or extreme temperatures.