
15Pictorial index 
GS450h_300h_OM_OM30F92E_(EE)
Windshield wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 251
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 334 
To prevent freezing (windshield wiper de-icer)*1 . . . . . . . . . . . . . . . . . . . . . .  P. 352 Precautions against car wash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 392
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P . 257
Refueling method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 257 Fuel type/fuel tank capacity  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 549
Tires. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . .  P. 416
Tire size/inflation pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 555 Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 33 4 
Checking/rotation/tire pressure warning system*1. . . . . . . . . . . . . . . . . . . . . P. 416 Coping with flat tires. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 498, 509
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . .  P. 401
Opening  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 401 Engine compartment cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 405Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . .  P. 550 
Coping with overheat  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 535 Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 468
Headlights/front position lights/daytime running lights  . . . . . . . . . . . P. 237 
Front turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 231 
Front fog lights/rear fog light*2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 250 
Side turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 231 
Tail lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . P. 237 
Stop lights
Emergency brake signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 325
Rear turn signal lights  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 231
Back-up light*2
Shifting the shift lever to R  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 224
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 237
4
5
6
7
Light bulbs of the exterior lights for driving 
(Replacing method: P. 442, Watts: P. 558)
*1: If equipped
*2: They may be located on the opposite side depending on the target region.
8
9
10
11
12 

449 6-3. Do-it-yourself maintenance
6
Maintenance and care
GS450h_300h_OM_OM30F92E_(EE)
■Replacing the following bulbs 
If any of the lights listed below has burnt out, have it replaced by any autho- 
rized Lexus retailer or Lexus authorized repairer, or any reliable repairer.
●Headlights
●Front position lights/daytime running lights
●Front fog lights
●Front turn signal lights (vehicles with triple-beam headlights)
●Side turn signal lights
●Stop/tail lights
●Stop lights
●Rear fog light
●Rear turn signal lights
●Back-up lights
●High mounted stoplight
●License plate lights
■LED Lights 
The lights other than the front turn signal lig ht (vehicles with single-beam headlights) and outer foot lights each consist of a number of  LEDs. If any of the LEDs burn out, take your 
vehicle to any authorized Lexus retailer or  Lexus authorized repairer, or any reliable repairer to have the light replaced.
■Condensation build-up on the inside of the lens 
Temporary condensation build-up on the inside  of the headlight lens does not indicate a malfunction. Contact any authorized Lexus reta iler or Lexus authorized repairer, or any reliable repairer for more information in the following situations:
●Large drops of water have built  up on the inside of the lens.
●Water has built up inside the headlight.
■When replacing light bulbs 
 P. 441 

587Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Engine coolant temperature  
gauge....................................................... 105 
Engine oil..................................................406 
Capacity ................................................ 550 
Checking .............................................. 406 
Oil level warning message ...........466 
Oil pressure warning  
message..............................................466 
Preparing and checking  
before winter .................................... 334 
Engine switch ...........................................217 
Auto power off function ...................219 
Changing the power switch  
modes ................................................... 218 
If your vehicle has to be  
stopped in an emergency..........453 
Starting the hybrid system............... 217 
EPS (Electric Power Steering)........ 325 
Function .................................................. 325 
Warning light .........................................461 
Warning message.............................466 
EV drive mode ....................................... 222 
First-aid kit storage net....................... 375 
Flat tire 
Vehicles with spare tire ................. 498 
Vehicles without spare tire .......... 509 
Floor mats ................................................... 34 
Fluid 
Brake........................................................554 
Hybrid transmission .........................553 
Washer ...................................................... 411 
Fog lights .................................................. 250 
Replacing light bulbs ....................... 449 
Switch ...................................................... 250 
Follow me home system .................... 238 
Footwell light .......................................... 366 
Front air conditioning system .......... 346 
Front fog lights ....................................... 250 
Replacing light bulbs ....................... 449 
Switch ...................................................... 250 
Wattage ................................................. 449 
Front personal lights............................ 367 
Front position lights ............................. 237 
Light switch............................................ 237 
Replacing light bulbs ....................... 449 
Welcome light illumination  
control ................................................... 140 
Front seats ................................................. 175 
Adjustment ............................................. 175 
Cleaning ................................................ 394 
Correct driving posture.................... 36 
Driving position memory ................ 178 
Head restraints .....................................183 
Power easy access system............. 178 
Seat heaters.......................................... 362 
Seat position memory ....................... 178 
Seat ventilators ................................... 362 
Front turn signal lights ..........................231 
Replacing light bulbs ........... 443, 449 
Turn signal lever................................... 231 
Wattage .................................................558
F
*: Refer to the “NAVIGATION AND MULTIMEDIA 
SYSTEM OWNER’S MANUAL”. 

591Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Light bulbs 
Replacing ............................................... 443 
Wattage................................................. 558 
Lights 
AHS (Adaptive High-beam  
System).................................................. 241 
Automatic High Beam  
system .................................................. 246 
Fog light switch ...................................250 
Follow me home system ................238 
Headlight switch................................. 237 
Illuminated entry system................ 368 
Interior light ........................................... 367 
Interior lights list ..................................366 
Personal lights ..................................... 367 
Replacing light bulbs........................ 443 
Trunk light ............................................... 148 
Turn signal lever ................................... 231 
Vanity lights .......................................... 377 
Wattage................................................. 558 
Welcome light illumination  
control................................................... 140 
LKA (Lane-Keeping Assist) .............282 
Operation ..............................................286 
Warning messages...........................466 
Lock steering column .......................... 219 
Low profile tire .......................................420 
Luggage hook ........................................ 374 
Luggage security system .................... 148 
Main display............................................ 344 
Maintenance 
Do-it-yourself maintenance ......... 399 
Maintenance data ............................. 546 
Maintenance requirements .......... 397 
Malfunction indicator lamp .............. 460 
Master warning light ........................... 462 
Meter .......................................................... 104 
Head-up display ....................................119 
Indicators .................................................. 101 
Instrument panel li ght control ....... 107 
Meters ....................................................... 104 
Multi-information display.....................111 
Warning lights ....................................... 99 
Mirrors 
Inside rear view mirror .................... 188 
Outside rear view mirror  
defoggers .......................................... 352 
Outside rear view mirrors ..............190 
Vanity mirrors ...................................... 377 
Moon roof .................................................196 
Door lock linked moon roof  
operation.............................................. 197 
Jam protection function ................... 197 
Operation ............................................... 196 
Warning message ............................ 466 
MP3 disc*
M
*: Refer to the “NAVIGATION AND MULTIMEDIA 
SYSTEM OWNER’S MANUAL”. 

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 

593Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Power control unit coolant ...............409 
Capacity .................................................552 
Checking .............................................. 409 
Preparing and checking  
before winter .................................... 334 
Power easy access system ................ 178 
Power outlets ......................................... 379 
Power steering....................................... 325 
Warning light .........................................461 
Warning message.............................466 
Power switch ............................................217 
Auto power off function ...................219 
Changing the power switch  
modes ................................................... 218 
If your vehicle has to be  
stopped in an emergency..........453 
Starting the hybrid system............... 217 
Power trunk lid........................................ 146 
Power windows ...................................... 193 
Door lock linked window  
operation ..............................................194 
Jam protection function....................193 
Operation ................................................193 
Window lock switch...........................193 
Pre-Crash Safety system  
(PCS)...................................................... 270 
Function .................................................. 270 
Warning light .........................................461 
Warning message.............................466 
Radar cruise control (dynamic  
radar cruise control with  
full-speed range) ............................... 296 
Radiator ....................................................... 411 
Radio*
Radio Data System (RDS)*
Rear air conditioning system ........... 358 
Rear door sunshades ..........................380 
Rear fog light .......................................... 250 
Replacing light bulb ......................... 449 
Switch ...................................................... 250 
Rear personal lights............................. 367 
Rear seat heaters.................................. 362 
Rear sunshade .......................................380 
Operation .............................................380 
Reverse operation feature ..............381 
Rear turn signal lights ...........................231 
Replacing light bulbs ....................... 449 
Turn signal lever................................... 231 
Rear view mirror 
Inside rear view mirror*
Outside rear view mirrors ..............190
Rear view monitor system*
Rear window defogger  ..................... 352
R
*: Refer to the “NAVIGATION AND MULTIMEDIA 
SYSTEM OWNER’S MANUAL”. 

596Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Switches 
Adaptive High-beam System  
switch...................................................... 241 
Audio remote control switches*
Automatic High Beam 
switch.................................................... 246 
Brake hold switch .............................. 235 
Cruise control  
switch....................................... 296, 308 
Door lock switches ............................. 142 
Driving mode select switch ............. 311 
Driving position memory  
switches.................................................178 
Emergency flashers switch ........... 452 
EV drive mode switch..................... 222 
Fog light switch ...................................250 
Heated steering wheel  
switch.................................................... 362 
HUD (Head-up display)  
switches.................................................. 119 
Ignition switch ........................................ 217 
Lexus parking assist-sensor  
switch*
Light switch ........................................... 237
LKA (Lane-Keeping Assist)  
switch....................................................286 
Meter control switches. ......................112 
Moon roof switches .......................... 196 
Outside rear view mirror  
switches................................................ 190 
Paddle shift switches ........................ 226 
Parking brake switches................... 232 
Power door lock switch ................... 142 
Power switch ......................................... 217 
Power window switches ..................193 
Rear sunshade switch..................... 380 
Rear window and outside rear  
view mirror defoggers  
switch ................................................... 352 
Seat heater switches ........................ 362 
Seat ventilator switches .................. 362 
Snow mode switch ............................225 
Talk switch*
Telephone switches*
Tilt and telescopic steering  
control switch ....................................186 
Trunk closer switch ............................ 147 
Trunk opener switch.......................... 146 
Trunk opener main switch .............. 148 
Vehicle-to-vehicle  
distance button ............................... 302 
VSC OFF switch............................... 326 
Window lock switch .......................... 193 
Windshield wipers  
and washer switch........................... 251 
Tachometer ............................................. 104 
Tail lights................................................... 237 
Light switch............................................ 237 
Replacing light bulbs ....................... 449 
Welcome light illumination  
control ................................................... 140 
Talk switch*
Telephone switches*
Theft deterrent system 
Alarm ............................................................ 91 
Double locking system ...................... 90 
Immobilizer system ............................. 85 
Intrusion sensor and tilt  
sensor ......................................................94
T