Product Warranty
It is impossible to predict when tires should be replaced based on their
calendar age alone . However, the older a tire the greater the chance that
it will need to be replaced due to the service-related evolution or other
conditions found upon inspection or detected during use.
While most tires will need replacement before they achieve 10 years, it is
recommended that any tires in service 10 years or more from the date of
manufacture, including spare tires, be replaced with new tires as a simple
precaution even if such tires appear serviceable and even if they have not
reached the legal wear limit.
For tires that were on an original equipment vehicle (i.e., acquired by
the consumer on a new vehicle), follow the vehicle manufacturer’s tire
replacement recommendations, when specied (but not to exceed 10
years).
The date when a tire was manufactured is located on the sidewall of each
tire. Consumers should locate the Department of Transportation or DOT
code on the tire which begins with DOT and ends with the week and year
of manufacture. For example, a DOT code ending with “2204” indicates a
tire made in the 22nd week (May) of 2004.
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