See also:

Additional information contained on the tire sidewall for “LT” typetires
“LT” type tires have some additional information beyond those of “P” type tires; these differences are described below. Note: Tire Quality Grades do not apply to this type of tire. 1. LT ...

Maintenance schedule log
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VReporting safety defects (Canada Only)
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform Transport Canada, using their toll-free number: 1–800–333–0510 ...