Page 815 of 860
GS450h_U (OM30D01U)
8158-2. Customization
8
Vehicle specifications
Illumination
( P. 5 7 1 )
Interior lights illumination
controlOnOff——O
“Interior Lights Off Timer”
(Time elapsed before the
interior lights turn off)15
seconds
7. 5
seconds
O—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
OnOff——O
Footwell lightingOnOff——O
Outer foot lightsOnOff——O
“Exterior Lights Off Timer”
(Time elapsed before the
outer foot lights turn off)15
seconds
Off
O—O
7. 5
seconds
30
seconds
ItemFunctionDefault settingCustom-
ized setting123
Page 816 of 860
816
GS450h_U (OM30D01U)
8-2. Customization
*1: The default setting varies according to countries.
*2:If equipped
*3: U.S.A. only
Illumination
( P. 5 7 1 )
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
Rear
sunshade
( P. 5 9 4 )
Reverse operationOnOff——O
Ti m e e l a p s e d b e f o r e t h e
reverse operation feature
activates0.7
seconds
0 second
——O
0.9
seconds
1.2
seconds
ItemFunctionDefault settingCustom-
ized setting123
Page 817 of 860

GS450h_U (OM30D01U)
8178-2. Customization
8
Vehicle specifications
■Vehicle customization
●When the “Auto Lock by Speed” and “Auto Lock by Shift from P” are both on, the
door lock operates as follows.
• When shifting the shift lever to any position other than P, all the doors will be
locked.
• If the vehicle is started with all the door s locked, the “Auto Lock by Speed” would
not operate.
• If the vehicle is started with any door unlocked, the “Auto Lock by Speed” will operate.
●When the smart access system with push-b utton start is off, the “Select Doors to
Unlock” cannot be customized.
●When the doors remain closed after un locking the doors and the “Auto Relock
Timer” activates, the signals will be generated in accordance with the “Lock/
Unlock Feedback-Tone” and the “Lock/Unlock Feedback-Lights” settings.
■When customizing using the Remote Touch
Stop the vehicle in a safe place, apply the parking brake, and shift the shift lever to P.
Also, to prevent 12-volt battery discharge, leave the hybrid system operating while
customizing the features.
CAUTION
■During customization
As the hybrid system needs to be operating during customization, ensure that the
vehicle is parked in a place with adequate ventilation. In a closed area such as a
garage, exhaust gases including harmful carbon monoxide (CO) may collect and
enter the vehicle. This may lead to death or a serious health hazard.
NOTICE
■During customization
To prevent 12-volt battery discharge, ensu re that the hybrid system is operating
while customizing features.
Page 834 of 860
834What to do if... (Troubleshooting)
GS450h_U (OM30D01U)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, new genuine mechanical keys
can be made by your Lexus dealer. ( P. 1 1 9 )
●If you lose your electronic ke ys, the risk of vehicle theft
increases significantly. Contact your Lexus dealer immediately.
( P. 120)
●Is the electronic key battery weak or depleted? ( P. 6 6 8 )
●Is the power switch in ON mode?
When locking the doors, turn the power switch off. ( P. 190)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the elec-
tronic key on your person.
●The function may not operate pr operly due to the condition of
the radio wave. ( P. 1 2 8 )
If you have a problem, check the following before contacting your
Lexus dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
Page 835 of 860
835What to do if... (Troubleshooting)
GS450h_U (OM30D01U)
●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. 1 3 8 )
●The function to prevent the electronic key from being left inside
the trunk will operate and you ca n open the trunk as usual. Take
the key out from the trunk. ( P. 122)
The rear door cannot be opened
The trunk lid is closed with the electronic key left inside
Page 836 of 860
836What to do if... (Troubleshooting)
GS450h_U (OM30D01U)
●Did you press the power switch while firmly depressing the
brake pedal? ( P. 1 8 9 )
●Is the shift lever in P? ( P. 1 9 2 )
●Is the electronic key anywhere detectable inside the vehicle?
( P. 1 2 4 )
●Is the steering wheel unlocked? ( P. 193)
●Is the electronic key battery weak or depleted?
In this case, the hybrid system can be started in a temporary
way. ( P. 76 8 )
●Is the 12-volt battery discharged? ( P. 7 7 0 )
●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. 764)
●It is locked automatically to prevent theft of the vehicle.
( P. 1 9 2 )
If you think something is wrong
The hybrid system does not start
The shift lever cannot be shifted from P even if you depress the
brake pedal
The steering wheel cannot be turn ed after the hybrid system is
stopped
Page 837 of 860
837What to do if... (Troubleshooting)
GS450h_U (OM30D01U)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat can-
not be operated if the window lock switch is pressed. (P. 1 6 4 )
●The auto power off function will be operated if the vehicle is left
in ACCESSORY or ON mode (the hybrid system is not oper-
ating) for a period of time. ( P. 1 9 2 )
●The seat belt remind er light is flashing
Are the driver and the front passenger wearing the seat belts?
( P. 714)
●The parking brake indicator is on
Is the parking brake released? ( P. 207)
Depending on the situation, ot her types of warning buzzer may
also sound. ( P. 711, 721)
The windows do not open or close by operating the power win-
dow switches
The power switch is turned off automatically
A warning buzzer sounds during driving
Page 840 of 860

840Alphabetical index
GS450h_U (OM30D01U)
Alphabetical index
A/C ............................................................ 364Air conditioning filter....................... 666
Front automatic air conditioning system ..................................................364
Rear air conditioning system........379
S-FLOW mode .................................. 374
ABS (Anti-lock Brake System)....... 289 Function ................................................. 289
Warning light ......................................... 712
Warning message ............................. 725
Adaptive Front-lighting System (AFS) ........................................................215
Adaptive Variable Suspension system (AVS)...................................... 290
AFS (Adaptive Front-lighting System) ....................................................215
Air conditioning filter .......................... 666
Air conditioning system ..................... 364 Air conditioning filter....................... 666
Front automatic air conditioning system ..................................................364
Rear air conditioning system........379
S-FLOW mode .................................. 374 Airbags ........................................................ 38
Airbag operating conditions .......... 46
Airbag precautions for your child ......................................... 41
Airbag warning light .......................... 712
Correct driving posture .................... 30
Curtain shield airbag operating conditions ....................... 46
Curtain shield airbag precautions .......................................... 44
Front passenger occupant classification system......................... 49
General airbag precautions ............. 41
Locations of airbags............................ 38
Modification and disposal of airbags............................................... 45
Side airbag operating conditions ............................................. 46
Side airbag precautions ...................... 41
Side and curtain shield airbags operating conditions ....................... 46
Side and curtain shield airbags precautions ............................................ 41
SRS airbags ............................................. 38
A