
5688-2. Customization
GS450h_300h_OM_OM30F92E_(EE)
■Outside rear view mirrors ( P. 190)
■Power windows and moon roof * ( P. 193, 196)
* : If equipped
■Automatic light control system ( P. 237)
FunctionDefault
settingCustomized setting
Automatic mirror folding and
extending operationLinked to the locking/
unlocking of the doorsOff
——OLinked to opera-
tion of the power switch
Linked mirror function when reversingOnOff——O
123
FunctionDefaultsettingCustomized setting
Mechanical key linked opera- tionOffOn——O
Wireless remote control linked operationOffOn——O
Buzzer sounds if operated
using wireless remote controlOnOff——O
123
FunctionDefaultsettingCustomized setting
Light sensor sensitivityStandard-2 to 2O—O
Follow me home
(Time elapsed before head-
lights automatically turn off)30 seconds
60 seconds
——O90 seconds
120 seconds
Welcome light illumination con-
trolOnOff——O
123

573
8
8-2. Customization
Vehicle specifications
GS450h_300h_OM_OM30F92E_(EE)
■Illumination (P. 366)
FunctionDefault
settingCustomized setting
Interior lights illumination con-
trolOnOff——O
Time elapsed before the inte-
rior lights turn off15 seconds7.5 secondsO—O30 seconds
Operation after the power
switch is turned offOnOff——O
Operation when the doors are
unlockedOnOff——O
Operation when you approach
the vehicle with the electronic
key on your person (vehicles
with entry function)
OnOff——O
Footwell lightingOnOff——O
Outer foot lightsOnOff——O
Time elapsed before the outer
foot lights turn off15 seconds
Off
O—O7.5 seconds
30 seconds
Enable/disable operation of the
outer foot lights when you
approach the vehicle with the
electronic key on your person
OnOff——O
Enable/disable operation of the
outer foot lights when the doors
are unlocked with the power
door lock switch
OnOff——O
123

5748-2. Customization
GS450h_300h_OM_OM30F92E_(EE)
■Rear sunshade * ( P. 380)
* : If equipped
■Vehicle customization
●When the speed linked door locking functi on and shift position linked door locking
function are both on, the door lock operates as follows.

578What to do if... (Troubleshooting)
GS450h_300h_OM_OM30F92E_(EE)
What to do if... (Troubleshooting)
● If you lose your mechanical keys, new genuine mechanical keys can be made
by any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer. ( P. 136)
● If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact any authorized Lexus retailer or Lexus authorized repairer, or any
reliable repairer immediately. ( P. 137)
● Is the electronic key battery weak or depleted? ( P. 435)
● Vehicles with entry function
Is the power switch in ON mode?
When locking the doors, turn the power switch off. ( P. 218)
● Vehicles with entry function
Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your person.
● The function may not operate properly due to the condition of the radio wave.( P. 155)
● Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock. ( P. 143)
If you have a problem, check the following before contacting any authorized
Lexus retailer or Lexus authorized repairer, or any reliable repairer.
The doors cannot be locked, un locked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened

579
What to do if... (Troubleshooting)
GS450h_300h_OM_OM30F92E_(EE) ●
The function to prevent the electronic ke y from being left inside the trunk will
operate and you can open the trunk as usual. Take the key out from the trunk. ( P. 148)
● Did you press the power switch while firmly depressing the brake pedal? ( P. 217)
● Is the shift lever in P? ( P. 219)
● Is the electronic key anywhere detectable inside the vehicle? ( P. 153)
● Is the steering wheel unlocked? ( P. 219)
● Is the electronic key battery weak or depleted?
In this case, the hybrid system can be started in a temporary way. ( P. 528)
● Is the 12-volt battery discharged? ( P. 530)
● Is the power switch in ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
power switch in ON mode ( P. 229)
● It is locked automatically to prevent theft of the vehicle. ( P. 219)
The trunk lid is closed with the electronic key left inside
If you think som
ething is wrong
The hybrid system does not start
The shift lever cannot be shifted fr om P even if you depress the brake
pedal
The steering wheel cannot be turned after the hybrid system is stopped

580What to do if... (Troubleshooting)
GS450h_300h_OM_OM30F92E_(EE) ●
Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( P. 193)
● The auto power off function will be operated if the vehicle is left in ACCES-
SORY or ON mode (the hybrid system is not operating) for a period of time.
( P. 219)
● The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( P. 462)
● The parking brake indicator is on
Is the parking brake released? ( P. 232)
Depending on the situation, other type s of warning buzzer may also sound.
( P. 460, 466)
● Did anyone inside the vehicle open a door or anything move inside the vehicle
during setting the alarm?
The sensor detects them and the alarm sounds. ( P. 91)
To stop the alarm, turn the power switch to ON mode or start the hybrid system. ● Is the electronic key left inside the vehicle or the moon roof opened (if
equipped)?
Check the message on the multi-information display. ( P. 466)
The windows do not open or close by operating the power window
switches
The power switch is turned off automatically
A warning buzzer sounds during driving
An alarm is activated and th
e horn sounds (if equipped)
A warning buzzer sounds when leaving the vehicle
(vehicles with entry function)

582Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Alphabetical index
A/C ............................................................ 346
Air conditioning filter........................ 433
Changing the rear seat settings.................................................353
Front automatic air
conditioning system ...................... 346
nanoe™ system ..................................356
Pollen removal mode ...................... 352
Rear air conditioning system ...... 358
S-FLOW mode.................................. 347
ABS (Anti-lock Brake System) ....... 324
Function .................................................. 324
Warning light .........................................461
Warning message.............................466
Adaptive Front-lighting System
(AFS) ..................................................... 239
Adaptive Variable Suspension
system (AVS) ...................................... 325
AFS (Adaptive Front-lighting
System) .................................................. 239
AHS (Adaptive High-beam
System) ................................................... 241
Air conditioning filter .......................... 433
Air conditioning system ..................... 346 Air conditioning filter........................ 433
Changing the rear seat settings.................................................353
Front automatic air conditioning system ...................... 346
nanoe™ system ..................................356
Pollen removal mode ...................... 352
Rear air conditioning system ...... 358
S-FLOW mode.................................. 347 Airbags ........................................................ 43
Airbag manual on-off system......... 54
Airbag operating conditions ...........49
Airbag precautions for
your child .............................................. 45
Airbag warning light ........................ 460
Correct driving posture.................... 36
Curtain shield airbag operating
conditions ..............................................49
Curtain shield airbag
precautions ........................................... 47
General airbag precautions ........... 45
Locations of airbags ............................43
Modification and disposal of
airbags.................................................... 48
Side airbag operating
conditions ..............................................49
Side airbag precautions .................... 45
Side and curtain shield airbags operating conditions ........................49
Side and curtain shield airbags precautions .......................................... 45
SRS airbags ..............................................43
Airbag manual on-off system ............. 54
Alarm .............................................................. 91 Alarm ............................................................ 91
Warning buzzer.....................460, 466
Anchor brackets ...................................... 66
Antennas (smart entry & start system) .........................................153
Anti-lock Brake System (ABS)....... 324 Function...................................................324
Warning light......................................... 461
Warning message ............................ 466
A

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