Lexus IS300H 2017 Manual page 656

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9-1. Specifications
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 leaded gasoline.
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Leaded gasoline will cause the three-way catalytic converter to lose its effectiveness
and the emission control system to function improperly.
EU area: Bioethanol fuel sold under names such as "E50" or "E85" and fuel contain-
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ing a large amount of ethanol should not be used. The use of these fuels will damage
the vehicle's fuel system. In case of any doubt, ask any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer.
Except EU area: Bioethanol fuel sold under names such as "E50" or "E85" and fuel
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containing a large amount of ethanol should not be used. Your vehicle can use gaso-
line mixed with 10% max ethanol. The use of fuel with more than 10% ethanol content
(E10) will damage the vehicle's fuel system. You must ensure that refueling is carried
out only from a source where fuel specification and quality can be guaranteed. In case
of any doubt, ask any authorized Lexus retailer or Lexus authorized repairer, or any
reliable repairer.
Do not use the methanol blended gasoline such as M15, M85, M100. The use of gas-
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oline containing methanol may cause engine damage or failure.