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8 
8-1. Specifications
Vehicle specifications
GS450h_300h_OM_OM30F92E_(EE)
Type D
Compact spare tire (if equipped)
■When towing a trailer 
Add 20.0 kPa (0.2 kgf/cm2 or bar, 3 psi) to the recommend ed tire inflation pressure and drive at speeds below 100 km/h (62 mph).
Tire size235/40R19 96Y XL (front) and 265/35R19 94Y (rear)
Tire inflation  
pressure  (Recommended cold tire inflation  
pressure)
Vehicle speed
Front tire 
kPa (kgf/cm2 or  bar, psi)
Rear tire  
kPa (kgf/cm2 or  bar, psi)
More than 220 km/h (137 mph)300 (3.0, 44)300 (3.0, 44)
220 km/h (137 mph)  
or less240 (2.4, 35)250 (2.5, 36)
Wheel size19   8J (235/40R19), 19  9J (265/35R19)
Wheel nut torque103 N•m (10.5 kgf•m, 76 ft•lbf)
Tire sizeT155/70D17 110M, T145/70D18 107M
Tire inflation pressure  (Recommended cold tire  
inflation pressure)
420 kPa (4.2 kgf/cm2 or bar, 60 psi)
Wheel size17   4T (T155/70D17), 18  4T (T145/70D18)
Wheel nut torque103 N•m (10.5 kgf•m, 76 ft•lbf) 
         
        
        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 
         
        
        600
GS450h_300h_OM_OM30F92E_(EE) 
GAS STATION INFORMATION
Auxiliary catch leverTrunk openerFuel filler door 
P. 401 P. 146 P. 259
Hood lock release leverTire inflation pressure
P. 401P. 555
Fuel tank capacity 
(Reference) 66 L (17.4 gal., 14.5 Imp.gal.)
Fuel type 
EU area: Unleaded gasoline conforming to European standard EN228 onlyExcept EU area: Unleaded gasoline only 
P. 549
Cold tire inflation  pressure P. 555
Engine oil capacity (Drain and refill —  
reference) 
P. 550
Engine oil type 
“Toyota Genuine Motor Oil” or equivalent 
Oil grade:  
0W-20, 5W-30 and 10W-30: API grade SL “Energy-Conserving”, SM “Energy-Con-serving” or SN “Resource-Conserving”; or ILSAC multi- 
grade engine oil 15W-40:API grade SL, SM or SN multigrade engine oil 
P. 550