
549
8 
8-1. Specifications
Vehicle specifications
GS450h_300h_OM_OM30F92E_(EE)
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)
TypePermanent magnet synchronous motor
Maximum outputGS450h147 kW
GS300h105 kW
Maximum torqueGS450h275 N•m (28.0 kgf•m, 202.8 ft•lbf)
GS300h300 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)
QuantityGS450h40 modules
GS300h32 modules
Overall voltageGS450h288 V
GS300h230.4 V 

553
8 
8-1. Specifications
Vehicle specifications
GS450h_300h_OM_OM30F92E_(EE)
*: The fluid capacity is the quantity of reference. 
If replacement is necessary, contact any authorized Lexus retailer or Lexus autho-
rized repairer, or any reliable repairer.
Electrical system
12-volt battery
Open voltage at 20 C (68F):12.0 V or higher 
(Voltage is checked 20 minutes after the hybrid system and all lights are turned off.)
Charging rates5 A max.
Hybrid transmission
Fluid capacity*GS450h5.69 L (6.01 qt., 5.01 Imp.qt.)
GS300h3.80 L (4.02 qt., 3.34 Imp.qt.)
Fluid typeToyota Genuine ATF WS
NOTICE
■Hybrid transmission fluid type 
Using transmission fluid other than “Toyot a Genuine ATF WS” may cause deterioration in shift quality and ultimately damage the transmission of your vehicle. 

584Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Cargo hooks........................................... 374 
CD player*
Chains ....................................................... 336
Child restraint system ............................ 57 
Baby seats, definition ..........................58 
Baby seats, installation ....................... 67 
Child seats, definition..........................58 
Child seats, installation....................... 67 
Installing CRS with ISOFIX  
rigid anchors........................................ 70 
Installing CRS with seat belts.......... 67 
Installing CRS with top strap ............ 71 
Junior seats, definition ........................58 
Junior seats, installation ..................... 69 
Child safety................................................. 56 
12-volt battery  
precautions............................. 414, 534 
Airbag precautions .............................. 45 
Child restraint system......................... 57 
How your child should  
wear the seat belt ..................... 39, 40 
Installing child restraints .................... 66 
Moon roof precautions ................... 198 
Power window lock switch.............193 
Power window precautions .......... 195 
Rear door child-protectors ............143 
Removed electronic key  
battery precautions ....................... 436 
Seat belt comfort guide ..................... 39 
Seat belt precautions .......................... 42 
Seat heater precautions ...................361 
Trunk precautions  ..............................149 
Child-protectors ................................... 143 
Cleaning....................................... 390, 394 
Aluminum wheels................................ 391 
Exterior ................................................... 390 
Interior..................................................... 394 
Seat belts ............................................... 395 
Clock ............................................... 105, 378 
Coat hooks.............................................. 382 
Condenser ................................................ 411 
Console box ........................................... 370 
Console box light ................................... 371 
Coolant..................................................... 409 
Capacity................................................. 552 
Checking ............................................... 409 
Preparing and checking  
before winter.................................... 334 
Cooling system ..................................... 409 
Engine overheating .......................... 535 
Hybrid system overheating.......... 535 
Consumption screen  ........................... 126 
Cruise control 
Cruise control .....................................308 
Dynamic radar cruise control  
with full-speed range ................... 296 
Cup holders .............................................. 371 
Curtain shield airbags  .......................... 43 
Customizable features.........................561 

586Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Dynamic radar cruise control  
with full-speed range ....................... 296 
Function .................................................. 296 
Warning message.............................466 
Dynamic Rear Steering (DRS)........ 325 
Function .................................................. 325 
Warning message.............................466 
DVD player*
Eco drive mode ........................................ 311
Electric motor (traction motor) ......... 76 
Electric Power Steering (EPS)........ 325 
Function .................................................. 325 
Warning light .........................................461 
Warning message.............................466 
Electronic key.......................................... 134 
Battery-saving function.................... 155 
If the electronic key does not  
operate properly ............................ 527 
Replacing the battery.......................435 
Emergency, in case of 
If a warning buzzer sounds ......... 460 
If a warning light turns on.............. 460 
If a warning message is  
displayed ............................................466 
If the 12-volt battery is  
discharged........................................ 530 
If the electronic key does not  
operate properly ............................ 527 
If the hybrid system will not  
start ........................................................ 523 
If the parking brake cannot  
be released........................................525 
If you have a flat tire .............498, 509 
If you think something  
is wrong .............................................. 459 
If your vehicle becomes  
stuck ..................................................... 542 
If your vehicle has to be  
stopped in an emergency ......... 453 
If your vehicle needs to  
be towed ............................................ 454 
If your vehicle overheats................ 535 
Emergency brake signal.................... 325 
Emergency flashers............................. 452 
Emergency tire puncture  
repair kit ................................................ 509 
Energy monitor ....................................... 126 
Engine ....................................................... 548 
Accessory mode ................................. 218 
Compartment ..................................... 403 
Engine switch ........................................ 217 
Hood ......................................................... 401 
How to start the hybrid  
system.................................................... 217 
Identification number....................... 548 
Ignition switch  
(power switch) .................................. 217 
Overheating ........................................ 535 
Power switch ......................................... 217 
Engine compartment cover ............. 405 
Engine coolant....................................... 409 
Capacity................................................. 552 
Checking ............................................... 409 
Preparing and checking  
before winter.................................... 334
E 

594Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Refueling .................................................. 257 
Capacity .................................................549 
Fuel types ...............................................549 
Opening the fuel tank cap ............259 
When the fuel filler door  
cannot be opened ......................... 259 
Regenerative braking ............................ 78 
Remote Touch*
Replacing
Electronic key battery......................435 
Fuses ........................................................ 437 
Light bulbs ............................................. 442 
Tires ......................................................... 498 
Rev indicator............................................ 106 
Rev peak .................................................... 106 
Road accident cautions.........................83 
Seat belt reminder light ...................... 462 
Seat belts .....................................................38 
Adjusting the seat belt ........................ 39 
Child restraint system  
installation.............................................. 67 
Cleaning and maintaining  
the seat belt .......................................395 
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 ........... 462 
Seat belt pretensioners ...................... 39 
SRS warning light.............................. 460 
Seat heaters ............................................ 362 
Seat position memory...........................178 
Seat ventilators ...................................... 362 
Seats............................................................. 175 
Adjustment ............................................. 175 
Adjustment precautions................... 176 
Child seats/child restraint  
system installation ............................. 66 
Cleaning ................................................ 394 
Driving position memory ................ 178 
Head restraints .....................................183 
Power easy access system............. 178 
Properly sitting in the seat................ 36 
Seat heaters.......................................... 362 
Seat position memory ....................... 178 
Seat ventilators ................................... 362 
Sensor 
Automatic headlight system ........ 240 
Automatic High Beam  
system.................................................. 246 
Inside rear view mirror .....................189 
Intrusion sensor and tilt sensor.......94 
Lexus parking assist-sensor*
LKA (Lane-Keeping Assist) ........ 282
Radar sensor .............................263, 318 
Rain-sensing windshield  
wipers .................................................. 255 
Service plug ............................................... 80 
Service reminder indicators ............... 98 
S-FLOW mode ..................................... 347
S 

597Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Tire inflation pressure ......................... 429 
Maintenance data............................. 555 
Tire inflation pressure  
display function.................................. 417 
Warning light ....................................... 463 
Warning message.............................466 
Tire pressure warning system ...........417 
Function .................................................... 417 
Initializing................................................. 418 
Installing tire pressure warning  
valves and transmitters................. 418 
Registering ID codes .........................419 
Warning light ....................................... 463 
Warning message.............................466 
Tires ............................................................. 416 
Chains .....................................................336 
Checking .................................................416 
Emergency tire puncture  
repair kit ............................................. 509 
If you have a flat tire .............498, 509 
Inflation pressure............................... 555 
Replacing .............................................. 498 
Rotating tires .......................................... 417 
Size........................................................... 555 
Snow tires ..............................................338 
Spare tire ............................................... 498 
Tire inflation pressure display  
function .................................................. 417 
Tire pressure warning system ....... 417 
Warning light ....................................... 463 
Warning message.............................466 
Tools...................................................499, 511 
Top strap ....................................................... 71 
Towing ...................................................... 454 
Emergency towing ........................... 454 
Towing capacity................................. 546 
Towing eyelet ...................................... 456 
Trailer towing ........................... 209, 210 
Traction battery (hybrid battery) ...... 80 
Traction Control (TRC) ..................... 324 
Traction motor (electric motor) .........76 
Trailer towing ............................... 209, 210 
Transmission........................................... 224 
Driving mode select switch.............. 311 
Hybrid transmission .......................... 224 
If the shift lever cannot be  
shifted from P....................................229 
Paddle shift switches.........................226 
S mode .................................................... 227 
TRC (Traction Control) ..................... 324 
Function...................................................324 
TRC OFF switch ............................... 326 
Trip information...................................... 104 
Trip meters ............................................... 104
*: Refer to the “NAVIGATION AND MULTIMEDIA 
SYSTEM OWNER’S MANUAL”.