Fuel Information - Lexus RX 450h Owner's Manual

Fuel information

You must only use unleaded gaso-
line.
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 (except for Korea)
 Except for Thailand
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.
 For Thailand
Lexus 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.
Use of ethanol blended gasoline in a
■
gasoline engine (for Korea)
Use only gasoline containing up to 15%
●
ethanol.
DO NOT use any flex-fuel or gasoline
that could contain more than 15% etha-
nol, including from any pump labeled
E30 (30% ethanol [
ethanol [
(which are only some examples of fuel
containing more than 15% ethanol).
� � � � � � � � � � � � � � � � �
]), E50 (50%
A
]), E85 (85% ethanol [
B
8-1. Specifications
Make sure that the ethanol blended gas-
●
oline to be used has a suitable Research
Octane Number.
If your engine knocks
■
Consult your Lexus dealer.
●
You may occasionally notice light knock-
●
ing for a short time while accelerating or
driving uphill. This is normal and there is
no need for concern.
NOTICE
Notice on fuel quality
■
Do not use improper fuels. If improper
●
fuels are used, the engine will be dam-
aged.
Do not use gasoline with metallic addi-
●
tives, for example manganese, iron or
lead, otherwise it may cause damage
on your engine or emission control
system.
Do not add aftermarket fuel additives
●
which contain metallic additives.
Do not use the methanol blended gas-
●
oline such as M15, M85, M100.
The use of gasoline containing metha-
nol may cause engine damage or fail-
ure.
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