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4
Driving
IS300h_EE(OM53B95E)4-4. Refueling
Close all the doors and windows, and turn the power switch off.
Confirm the type of fuel.
Fuel types
EU area:
Unleaded gasoline conforming to European standard EN228, Research Octane
Number of 95 or higher
Except EU area:
Unleaded gasoline, Research Octane Number of 95 or higher
Use of ethanol blended gasoline in a gasoline engine
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.
Opening the fuel tank cap
Perform the following steps to open the fuel tank cap:
Before refueling the vehicle
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5649-1. Specifications
IS300h_EE(OM53B95E)
Engine
Model2AR-FSE
Type4-cylinder in line, 4-cycle, gasoline
Bore and stroke90.0 98.0 mm (3.54 3.86 in.)
Displacement2494 cm3 (152.2 cu. in.)
Valve clearance
(engine cold)Automatic adjustment
Drive belt tensionAutomatic adjustment
Fuel
Fuel type
EU area:
Unleaded gasoline conforming to European stan-
dard EN228 only
Except EU area:
Unleaded gasoline only
Research Octane Num-
ber95 or higher
Fuel tank capacity
(Reference)66 L (17.4 gal., 14.5 Imp. gal.)
Electric motor (traction motor)
TypePermanent magnet synchronous motor
Maximum output105 kW
Maximum torque300 N•m (30.6 kgf•m, 221.3 ft•lbf)
Hybrid battery (traction battery)
TypeNickel-Metal hydride battery
Voltage7.2 V/module
Capacity6.5 Ah (3HR)
Quantity32 modules
Overall voltage230.4 V
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9 9-1. Specifications
Vehicle specifications
IS300h_EE(OM53B95E)
Fuel tank opening for unleaded gasoline
To help prevent incorrect fueling, your vehicle has a fuel tank opening that only
accommodates 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 driving 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
standard 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.