Owner's Manual
Page 307
... Sustained high temperature can cause the material the tire of when tested under the Federal Motor Vehicle Safety Standard No. 109. Temperature A, B, C The temperaturegrades are molded on aspecified indoor laboratory test wheel. Excessive speed, underinflation, or excessive loading, either separatelyor in addition to give you the longest tire life and best...
... Sustained high temperature can cause the material the tire of when tested under the Federal Motor Vehicle Safety Standard No. 109. Temperature A, B, C The temperaturegrades are molded on aspecified indoor laboratory test wheel. Excessive speed, underinflation, or excessive loading, either separatelyor in addition to give you the longest tire life and best...