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454 6-1. Specifications MATRIX_U Fuel information ■ Fuel tank opening for unleaded gasoline To help prevent incorrect fueling, your Toyota has a fuel tank opening that ■ If your engine knocks ● Consult your Toyota dealer. ● You may occasionally notice light knocking for a short time while acceler- ■ Gasoline quality In very few cases, driveability problems may be caused by the brand of gas- ■ Gasoline quality standards ● Automotive manufacturers in the U.S., the Europe and Japan have ● The WWFC consists of four categories that are based on required emis- ● The WWFC improves air quality by lowering emissions in vehicle fleets, Your vehicle must use only unleaded gasoline. At minimum, the gasoline you use should meet the specifications |