571
9 9-1. Specifications
Vehicle specifications
IS300h_EE(OM53C61E)
■Fuel tank opening for unleaded gasoline
To help prevent incorrect fueling, your vehicle has a fuel tank opening that only accom-
modates the special nozzle on unleaded fuel pumps.
■If your engine knocks
●Consult any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional.
●You may occasionally notice light knocking for a short time while accelerating or driv-
ing uphill. This is normal and there is no need for concern.
Fuel information
EU area:
Your vehicle must use only unleaded gasoline conforming to European stan-
dard EN228.
For optimum engine performance, select unleaded gasoline with a Research
Octane Number of 95 or higher.
Except EU area:
Your vehicle must use only unleaded gasoline.
For optimum engine performance, select unleaded gasoline with a Research
Octane Number of 95 or higher.
IS300h_EE_OM53C61E.book 571 ページ 2014年5月20日 火曜日 午後5時40分
5729-1. Specifications
IS300h_EE(OM53C61E)
NOTICE
■Notice on fuel quality
●Do not use improper fuels. If improper fuels are used, the engine will be damaged.
●Do not use leaded gasoline.
Leaded gasoline will cause the three-way catalytic converter to lose its effectiveness
and the emission control system to function improperly.
●Gasoline engine (EU area): Bioethanol fuel sold under names such as “E50” or
“E85” and fuel containing 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 autho-
rized Lexus dealer or repairer, or another duly qualified and equipped professional.
●Gasoline engine (except EU area): Bioethanol fuel sold under names such as “E50”
or “E85” and fuel containing a large amount of ethanol should not be used. Your vehi-
cle can use gasoline 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 dealer or repairer, or
another duly qualified and equipped professional.
IS300h_EE_OM53C61E.book 572 ページ 2014年5月20日 火曜日 午後5時40分