
351
5-2. Using the air conditioning system and defogger
5
Interior features
GS450h_300h_OM_OM30F92E_(EE)
■Using the automatic mode
Press or select “AUTO” on the control screen.
Also, when selecting “FAST/ECO” or each time, the fan speed mode will be
changed as follows:
“NORMAL” “ECO” “FAST”
Press to switch to automatic air intake mode.
The air conditioning system automatically switches between outside air and recir-
culated air modes.
Adjust the temperature setting. ( P. 347)
To stop the operation, press the “OFF” button.
Air outlets and fan speed for the driver an d passenger seats may be adjusted sepa-
rately depending on the temperature setting.
When the front seat heaters and ventilators/rear seat heaters are set to AUTO
mode, the system is operated automatically according to the set temperature, out-
side temperature, etc.
■Automatic mode indicator
If the fan speed setting or air flow modes are operated, the automatic mode
indicator goes off. However, automatic mode for functions other than that
operated is maintained.
■Switching between outside air and recirculated air modes
Press . The mode switches among (recirculated air mode), automatic and
(outside air mode) modes each time the button is pressed.
When the system is switched to automatic mode, the air conditioning system oper-
ates automatically.
Air conditioning control
Other functions
1
2
3

361
5
5-2. Using the air conditioning system and defogger
Interior features
GS450h_300h_OM_OM30F92E_(EE)
Heated steering wheel/seat heaters/seat ventilators
: If equipped
Heated steering wheel and seat heaters heat the side grips of the steering
wheel and seats, respectively. Seat vent ilators maintain good airflow by blow-
ing air from the seats.
WARNING
●Care should be taken to prevent injury if anyone in the following categories comes in
contact with the steering wheel and seats when the heater is on:

3625-2. Using the air conditio ning system and defogger
GS450h_300h_OM_OM30F92E_(EE)Turns the heated steering wheel on/off
The indicator light comes on when the
heater is operating.
●The heated steering wheel can be used when the power switch is in ON mode.
●The heated steering wheel will automatically turn off after about 30 minutes.
■Front seat heaters and ventilators (if equipped)/rear seat heaters (if equipped)
Seat heater switches
The indicator light (yellow) on the switch comes on when the seat heater is operat- ing.
Seat ventilator switches (front seats only)
The indicator light (green) on the switch co mes on when the seat ventilator is oper-
ating.
Level indicator lights
The seat heater temperature level or the seat ventilator fan speed level (for front
seats only) is displayed.
“AUTO” indicator lights
Heated steering wheel (if equipped)
Seat heaters/seat ventilators
Front seatsRear seats
1
2
3
4

3805-5. Using the other interior features
GS450h_300h_OM_OM30F92E_(EE) Fold down the armrest for use.
■Rear sunshade
The rear sunshade can be raised and lowered by operating the button shown
below.
Pull up the lever to release the lock.
Slide the armrest.
Raise/lower
Armrest
NOTICE
To prevent damage to the armrest, do not apply too much load on the armrest.
Rear sunshade (if equipped)/rear door sunshades (if equipped)
From the front seatsFrom the rear seats (if equipped)
1
2
3

567
8
8-2. Customization
Vehicle specifications
GS450h_300h_OM_OM30F92E_(EE)
■Entry function* ( P. 153)
* : If equipped
■Wireless remote control ( P. 134)
■Front seats ( P. 175)
FunctionDefault
settingCustomized setting
Smart entry & start systemOnOffO—O
Unlocking operationAll the doorsDriver’s doorO—O
Number of consecutive door
lock operationsAs many as desired2 times——O
123
FunctionDefault
settingCustomized setting
Wireless remote controlOnOff——O
Unlocking operation
Off
(All doors
unlocked in one step)On (Driver’s door
unlocked in one step, all doors
unlocked in two steps)
O—O
Trunk unlocking operationPress and hold
(short)
One short press
——O
Push twice
Press and hold (long)
Off
123
FunctionDefaultsettingCustomized setting
Driver’s seat movement when
exiting the vehicleStandardOffO—OPartial
Selecting the door linking driv-
ing position memory with door
unlock operation
Driver’s doorAll doors——O
123

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

587
Alphabetical 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”.

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