Toyota Prius, Manual

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6-1. Specifications
6
Vehi
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e specificatio
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PRIUS PHV_OM_OM47831E_(EE)
Fuel information
 Fuel tank opening for unleaded gasoline
To help prevent incorrect fueling, your Toyota has a fuel tank opening that
only accommodates the special nozzle on unleaded fuel pumps.

If your engine knocks
 Consult any authorized Toyota dealer or repairer, or another duly quali-
fied and equipped professional.

You may occasionally notice light knocking for a short time while acceler-
ating or driving uphill. This is normal and there is no need for concern.

If premium gasoline is not available (for Australia and New Zealand
only)
If this premium type cannot be obtained, you may temporarily use unleaded
gasoline with a Research Octane Number as low as 91.
EU area:
Your vehicle must use only unleaded gasoline conforming to Euro-
pean standard EN228.
For optimum engine performance, select unleaded gasoline with a
Research Octane Number of 95 or higher.
Australia and New Zealand:
Your vehicle must use only unleaded gasoline.
For optimum engine performance, select premium unleaded gaso-
line with a Research Octane Number of 95 or higher.
Except EU area, Australia and New Zealand:
Your vehicle must use only unleaded gasoline.
For optimum engine performance, select unleaded gasoline with a
Research Octane Number of 95 or higher.