
GS450h_300h_OM_OM30F92E_(EE)
Pictorial indexSearch by illustration
1For safety  
and securityMake sure to read through them
2Instrument clusterHow to read the gauges and meters, the variety of warning  
lights and indicators, etc.
3Operation of  
each component
Opening and closing the doors and windows, adjustment  
before driving, etc.
4DrivingOperations and advice which are necessary for driving
5Interior featuresUsage of the interior features, etc.
6Maintenance  
and careCaring for your vehicle and maintenance procedures
7When trouble 
arisesWhat to do in case of malfunction or emergency
8Vehicle 
specificationsVehicle specifications, customizable features, etc.
IndexSearch by symptom 
Search alphabetically 

TABLE OF CONTENTS2
GS450h_300h_OM_OM30F92E_(EE)
For your information ...................................8 
Reading this manual .................................. 12
How to search ............................................. 13
Pictorial index .............................................. 14 
1-1. For safe use 
Before driving ................................. 34 
For safety drive............................... 36
Seat belts ..........................................38
SRS airbags ..................................... 43
Airbag manual on-off  
system ............................................. 54 
Safety information  
for children....................................56 
Child restraint systems ............... 57
Installing child restraints ............. 66
Exhaust gas precautions ............ 75 
1-2. Hybrid system 
Hybrid system features............... 76
Hybrid system precautions ...... 80 
1-3. Theft deterrent system 
Immobilizer system ..................... 85
Double locking system ...............90
Alarm .................................................. 91 
2. Instrument cluster 
Warning lights  
and indicators ..............................98 
Gauges and meters ................... 104
Multi-information display............ 111
Head-up display ............................119
Energy monitor/ 
consumption screen ............... 126 
3-1. Key information 
Keys .................................................. 134 
3-2. Opening, closing and locking  
the doors and trunk 
Doors ............................................... 139
Trunk ................................................ 146
Smart entry & start system ...... 153 
3-3. Adjusting the seats 
Front seats...................................... 175
Driving position memory ......... 178
Head restraints............................. 183 
3-4. Adjusting the steering  
wheel and mirrors 
Steering wheel ............................. 186
Inside rear view mirror..............188 
Outside rear view mirrors ....... 190
1For safety and security
2Instrument cluster
3Operation of  
each component 

3
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8 
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5
4
3
2
GS450h_300h_OM_OM30F92E_(EE)
3-5. Opening, closing the  
windows and moon roof 
Power windows............................ 193
Moon roof ...................................... 196 
4-1. Before driving 
Driving the vehicle .................... 200 
Cargo and luggage .................. 208
Trailer towing (vehicles  
without towing package) .....209 
Trailer towing (vehicles with  
towing package)....................... 210 
4-2. Driving procedures 
Power (ignition) switch ..............217
EV drive mode ............................ 222 
Hybrid transmission .................. 224 
Turn signal lever .......................... 231
Parking brake ..............................232
Brake Hold....................................235 
4-3. Operating the lights  
and wipers 
Headlight switch ......................... 237
AHS (Adaptive High-beam  
System)......................................... 241 
Automatic High Beam ............. 246 
Fog light switch .......................... 250 
Windshield wipers  
and washer.................................. 251 
4-4. Refueling 
Opening the fuel tank cap...... 257 
4-5. Using the driving support  
systems 
Lexus Safety System+ ............... 261
PCS (Pre-Crash Safety  
system)......................................... 270 
LKA (Lane-Keeping  
Assist)...........................................282 
RSA (Road Sign Assist)............ 291
Dynamic radar cruise  
control with full-speed 
range ............................................ 296 
Cruise control ............................ 308 
Driving mode select switch.......311 
BSM (Blind Spot Monitor) ...... 314 
•The Blind Spot Monitor 
function...................................... 319
• The Rear Crossing Traffic 
Alert function .......................... 321 
Driving assist systems...............324 
4-6. Driving tips 
Hybrid vehicle driving tips....... 331
Winter driving tips .....................334
4Driving 

TABLE OF CONTENTS4
GS450h_300h_OM_OM30F92E_(EE)
5-1. Remote Touch screen 
Remote Touch/12.3-inch  
display ......................................... 340 
5-2. Using the air conditioning  
system and defogger 
Front automatic  
air conditioning system .........346 
Rear air conditioning  
system ......................................... 358 
Heated steering wheel/ 
seat heaters/ 
seat ventilators .......................... 361 
5-3. Using the interior lights 
Interior lights list..........................366 
• Interior lights .......................... 367 
• Personal lights ....................... 367 
5-4. Using the storage features 
List of storage features ............369 
• Glove box ...............................370 
• Console box...........................370
• Cup holders ............................ 371
• Auxiliary boxes ..................... 373 
Trunk features.............................. 374 
5-5. Using the other interior  
features 
Other interior features ............ 377 
• Sun visors ................................ 377 
• Vanity mirrors ........................ 377 
• Clock.........................................378
• Ashtrays ...................................378
• Power outlets......................... 379
• Armrest ................................... 380
•Rear sunshade/ 
rear door sunshades .......... 380 
• Coat hooks .............................382
• Assist grips............................. 383 
ERA-GLONASS...................... 384 
6-1. Maintenance and care 
Cleaning and protecting  
the vehicle exterior................ 390 
Cleaning and protecting  
the vehicle interior ..................394 
6-2. Maintenance 
Maintenance  
requirements............................. 397
5Interior features
6Maintenance and care 

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 

16Pictorial index 
GS450h_300h_OM_OM30F92E_(EE)
■Instrument panel (Left-hand drive vehicles)
Power switch  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P.  217
Starting the hybrid system/changing the modes  . . . . . . . . . . . . . . . . . . . . . . . .  P. 217 
Emergency stop of the hybrid system . . . . . . . . . .  . . . . . . . . . . . . . . . . . . . . . . . .  P. 453 When the hybrid system will not start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 523Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 477, 493
Shift lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . P. 224
Changing the shift position  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 224 
Precautions against towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 454 When the shift lever does not move. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 229
Meters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . .  P. 104
Reading the meters/adjusting the instrument panel light . . . . . . . . . . . . . . . . P. 104 Warning lights/indicator lights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 98When the warning lights come on  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 460
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3 

17Pictorial index 
GS450h_300h_OM_OM30F92E_(EE)
Multi-information display  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 111
Display  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . .P. 111 
Energy monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 126 When the warning messages are displayed . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 466
Parking brake switches  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 232
Applying/releasing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 23 2 Precautions against winter season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 335Warning buzzer/message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 462, 472
Turn signal lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P.  231
Headlight switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 237 
Headlights/front position lights/tail lights/ daytime running lights  . . . . . . .P. 237 Front fog lights/rear fog light  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 250
Windshield wiper and washer switch  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 251
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . P. 251 Adding washer fluid  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P.  411 Headlight cleaners  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 252, 254 
Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 486
Emergency flasher switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 452 
Trunk opener . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P.  146 
Hood lock release lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 401 
Tilt and telescopic steering control switch. . . . . . . . . . . . . . . . . . . . . . . . . .  P. 186
Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . P. 186 
Driving position memory  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 178
Air conditioning system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 346
Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . .  P. 346 
Rear window defogger  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 352
Audio system*
Trunk opener main switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 148
*: Refer to “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”
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23Pictorial index 
GS450h_300h_OM_OM30F92E_(EE)
Inside rear view mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 188 
Sun visors*2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 377 
Vanity mirrors  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P.  377 
Interior light*3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 367
Personal lights*3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 367 
Moon roof switches*1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 196 
Intrusion sensor cancel switch*1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  P. 94 
Intrusion sensor and tilt sensor cancel switch*1 . . . . . . . . . . . . . . . . . . . . .  P. 94 
“SOS” button*1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 384
1
2
3
4
5
6
7
8
*1:If equipped
*2: NEVER use a rearward facing child 
restraint on a seat protected by an 
ACTIVE AIRBAG in front of it, DEATH
or SERIOUS INJURY to the CHILD can
occur. ( P. 73)
*3: The illustration shows the front, but they are also equipped in the rear.