Page 580 of 628
5809-1. Specifications
IS300h_EE(OM53D56E)
Engine
Model2AR-FSE
Ty p e4-cylinder in line, 4-cycle, gasoline
Bore and stroke90.0 × 98.0 mm (3.54 × 3.86 in.)
Displacement2494 cm3 (152.2 cu. in.)
Va l v e c l e a r a n c e
(engine cold)Automatic adjustment
Drive belt tensionAutomatic adjustment
Fuel
Fuel type
EU area:
Unleaded gasoline conforming to European standard
EN228 only
Except EU area:
Unleaded gasoline only
Research Octane Number95 or higher
Fuel tank capacity
(Reference)66 L (17.4 gal., 14.5 Imp. gal.)
Electric motor (traction motor)
Ty p ePermanent magnet synchronous motor
Maximum output105 kW
Maximum torque300 N•m (30.6 kgf•m, 221.3 ft•lbf)
Hybrid battery (traction battery)
Ty p eNickel-Metal hydride battery
Vo l t a g e7. 2 V/m o d u l e
Capacity6.5 Ah (3HR)
Quantity32 modules
Overall voltage230.4 V
Page 584 of 628
5849-1. Specifications
IS300h_EE(OM53D56E)
*: The fluid capacity is a reference quantity. If replacement is necessary, contact any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
Electrical system
12-volt battery
Open voltage at 20 °C
(68 °F):
12.5 V or higher: Fully charged
11.0 - 12.4 V: Half charged
10.9 V or lower: Discharged
(Check the voltage 20 minutes after the hybrid system
and all lights are turned off.)
Charging rates4 A — 5 A
Hybrid transmission
Fluid capacity*3.8 L (4.0 qt., 3.3 Imp. qt.)
Fluid typeTo y o t a G e n u i n e AT F W S
NOTICE
■Hybrid transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may cause deterioration
in shift quality, locking up of your transmission accompanied by vibration, and ulti-
mately damage the hybrid transmission of your vehicle.
Page 621 of 628

621Alphabetical index
IS300h_EE(OM53D56E)
Rear turn signal lights.......................... 225Replacing light bulbs....................... 500
Turn signal lever ................................. 225
Wattage................................................. 588
Rear view mirror Inside rear view mirror......................179
Outside rear view mirrors................ 181
Rear view monitor system.................283
Rear window defogger ...................... 418
Refueling .................................................. 246
Capacity ................................................ 580
Fuel types .............................................. 580
If the fuel filler door cannot be opened ......................................... 248
Opening the fuel tank cap ............248
Regenerative braking ............................. 81
Remote Touch
*
Replacing
Electronic key battery..................... 488
Fuses ..........................................................491
Light bulbs.............................................495
Tires .......................................................... 476
Rev indicator.............................................. 117
Rev peak ...................................................... 117
Road accident cautions......................... 87
Run-flat tires ............................................559 Seat belt reminder light ..................... 523
Seat belts..................................................... 38
Adjusting the seat belt ....................... 39
Child restraint system installation ..............................................70
Cleaning and maintaining the seat belt........................................447
Emergency Locking Retractor (ELR) ................................. 40
How to wear your seat belt ............ 38
How your child should wear the seat belt.......................................... 40
Pregnant women, proper
seat belt use ........................................... 41
Reminder light and
buzzer.................................................. 523
Seat belt pretensioners...................... 39
SRS warning light ...............................522
Seat heaters ............................................ 424
Seat position memory...........................169
Seat ventilators ...................................... 424
S
*: For vehicles with a navigation or multimedia system, refer to
“NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.
Page 625 of 628

625Alphabetical index
IS300h_EE(OM53D56E)
Tires ............................................................ 466Chains ..................................................... 323
Checking ...............................................466
Emergency tire puncture
repair kit ..............................................545
If you have a flat tire ............. 545, 559
Inflation pressure............................... 586
Replacing ............................................... 476
Rotating tires ........................................ 467
Size........................................................... 586
Snow tires .............................................. 324
Tire inflation pressure display
function ............................................... 468
Tire pressure warning system .... 468
Warning light ....................................... 523
Tools ........................................................... 476
Top strap ..................................................... 74
Towing ........................................................ 514
Emergency towing..............................514
Towing capacity .................................578
Towing eyelet ........................................517
Trailer towing ....................................... 204
Traction battery (hybrid battery).......83
Traction Control (TRC) ..................... 296
Traction motor (electric motor) ........ 79
Trailer towing .........................................204 Transmission.............................................219
Driving mode select switch.......... 293
Hybrid transmission ........................... 219
If the shift lever cannot be
shifted from P................................... 562
Paddle shift switches.......................... 221
S mode .................................................... 222
TRC (Traction Control) ..................... 296
Trip meters ............................................... 109
Trunk ............................................................143
Luggage security system ................ 145
Smart entry & start system ............. 143
Trunk features ......................................432
Trunk grip................................................ 144
Trunk light ............................................... 146
Trunk opener main switch .............. 145
Trunk opener switch.......................... 143
Wireless remote control ................. 144
Trunk light .................................................. 146 Trunk light ............................................... 146
Wattage ................................................ 588
Turn signal lights ................................... 225
Replacing light bulbs............................497, 499, 500, 507
Turn signal lever..................................225
Wattage ................................................ 588