Use Of Ethanol Blended Gasoline In A Gasoline Engine; Use Of Ethanol Blended Gasoline In Flex Fuel Engine; If Your Engine Knocks - Toyota VIOS Owner's Manual

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Use of ethanol blended gasoline in a gasoline engine

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3NR-FE and 3NR-FKE engine
Toyota allows the use of ethanol blended gasoline where the ethanol content
is up to 20%. Make sure that the ethanol blended gasoline to be used has a
Research Octane Number that follows the above.
 Except for 3NR-FE and 3NR-FKE engine
Toyota allows the use of ethanol blended gasoline where the ethanol content
is up to 10%. Make sure that the ethanol blended gasoline to be used has a
Research Octane Number that follows the above.

Use of ethanol blended gasoline in flex fuel engine

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For Brazil:
Toyota allows the use of ethanol blended gasoline where the ethanol content
is up to 100%. Make sure that the ethanol blended gasoline to be used has a
Research Octane Number that follows the above.
For Paraguay:
Toyota allows the use of ethanol blended gasoline where the ethanol content
is 25% or higher. Make sure that the ethanol blended gasoline to be used has
a Research Octane Number that follows the above.
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If your engine knocks

Consult your Toyota dealer.
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You may occasionally notice light knocking for a short time while accelerat-
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ing or driving uphill. This is normal and there is no need for concern.
VIOS_OM_GE_OM52L06E(TMT)_OM99V20b(TDB)_OM52L61E(TMP)_0D053(IMC)
9-1. Specifications
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