2005 Toyota MR2 Spyder Owners Manual - Page 145
2005 Toyota MR2 Spyder Manual
Page 145 highlights
04 09.01 Warning: The temperature grades for this tire are established for a tire that is properly inflated and not overloaded. Excessive speed, underinflation, or excessive loading, either separately or in combination, can cause heat buildup and possible tire failure. 2005 MR2 from Aug. '04Prod. (OM17527U) 145