Fuel Information - Lexus GX 460 2020 Owner's Manual

Fuel information

You must only use unleaded gasoline.
Select premium unleaded gasoline with a Research Octane Number of 95 or
higher for optimum engine performance.
If this premium type cannot be obtained, you may temporarily use unleaded
gasoline with a Research Octane Number as low as 91.
Use of ethanol blended gasoline in a gasoline engine
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Lexus 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.
If your engine knocks
■
Consult your Lexus dealer.
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You may occasionally notice light knocking for a short time while accelerating or driv-
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ing uphill. This is normal and there is no need for concern.
NOTICE
Notice on fuel quality
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Do not use improper fuels. If improper fuels are used, the engine will be damaged.
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Do not use gasoline with metallic additives, for example manganese, iron or lead, oth-
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erwise it may cause damage on your engine or emission control system.
Do not add aftermarket fuel additives which contain metallic additives.
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Do not use the methanol blended gasoline such as M15, M85, M100. The use of gas-
●
oline containing methanol may cause engine damage or failure.
GX460_OM_OM60R28E_(GE)
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8-1. Specifications
8