Page 260 of 600
2604-4. Refueling
GS450h_300h_OM_OM30F92E_(EE)
After refueling, turn the fuel tank cap 
until you hear a click. Once the cap 
is released, it will turn slightly in the 
opposite direction. 
Close the fuel filler door, and press 
the center of the rear edge of the 
fuel filler door until you hear a click.
When you lock the doors, the fuel filler door will lock also.
■Fuel filler door lock condition 
The fuel filler door may not be locked even wh en the vehicle’s doors are locked in the fol- 
lowing conditions:
●When operating the door lock  button inside the vehicle
●When the automatic door locking system is operated (P. 143)
●When the fuel filler door is closed after the vehicle’s doors are locked
Closing the fuel tank cap
1
2
WARNING
■When replacing the fuel tank cap 
Do not use anything but a genuine Lexus fuel tank cap designed for your vehicle. Doing so may cause a fire or other incident whic h may result in death or serious injury. 
     
        
        Page 592 of 600

592Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Multi-information display ...................... 111 
Audio system-linked ............................. 111 
Drive information .................................. 113 
Dynamic radar cruise control  
with full-speed range.................... 296 
G-force...................................................... 114 
LKA (Lane-Keeping Assist) ......... 282 
Navigation system-linked................... 111 
Settings....................................................... 115 
Switch settings........................................ 115 
Switching the display ...........................112 
nanoe  system ..................................... 356 
Navigation system*
Odometer................................................. 105 
Oil 
Differential oil .......................................554 
Engine oil .............................................. 550 
Opener 
Fuel filler door...................................... 257 
Hood ......................................................... 401 
Trunk ..........................................................146 
Outer foot lights 
Location..................................................366 
Replacing light bulbs........................ 445 
Wattage................................................. 558 
Outside rear view mirrors ................. 190 
Adjusting and folding ........................190 
BSM (Blind Spot Monitor) ............. 314 
Linked mirror function  
when reversing ...................................191 
Mirror position memory .................. 178 
Outside rear view mirror  
defoggers ......................................... 352 
Outside temperature display ........... 105 
Overheating ........................................... 535 
Paddle shift switches ........................... 226 
Parking assist sensors*
Parking brake......................................... 232
If the parking brake cannot  
be released ....................................... 525 
Operation ..............................................232 
Parking brake engaged  
warning buzzer............................... 466 
Parking brake engaged  
warning message .......................... 466 
PCS  
(Pre-Crash Safety system)............ 270 
Function.................................................. 270 
Warning light......................................... 461 
Warning message ............................ 466 
Personal lights........................................ 367 
Pollen removal mode.......................... 352 
Power control unit .................................. 80
N
O
P 
     
        
        Page 600 of 600
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