light Lexus GS300h 2017 Service Manual

1443-2. Opening, closing and locking the doors and trunk
GS450h_300h_OM_OM30F92E_(EE)
■Switching the door unlock function (vehicles with entry function)
It is possible to set which doors the entry fu nction unlocks using the wireless remote con-
trol.
Turn the power switch off.
Cancel the intrusion sensor and tilt sensor of the alarm system to prevent unintended
triggering of the alarm during the setting change. (if equipped) ( P. 94)
When the indicator light on the key su rface is not on, press and hold or
for approximately 5 seconds while pressing and holding .
The setting changes each time an operatio n is performed, as shown below. (When
changing the setting continuously, release the buttons, wait for at least 5 seconds, and
repeat step .)
For vehicles with alarm: To prevent unintended triggering of the alarm, unlock the doors
using the wireless remote control and open and close a door once after the settings have
been changed. (If a door is not opened within 30 seconds after is pressed, the
doors will be locked again and the alarm will automatically be set.)
In case that the alarm is triggered, immediately stop the alarm. ( P. 92)
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Multi-information
displayUnlocking functionBeep
(Left-hand drive vehicles)
(Right-hand drive vehicles)
Holding the driver’s door handle
unlocks only the driver’s door.
Exterior: Beeps 3 times
Interior: Pings once
Holding a passenger’s door han-
dle unlocks all the doors.
Holding a door handle unlocks
all the doors.Exterior: Beeps twice
Interior: Pings once

1483-2. Opening, closing and locking the doors and trunk
GS450h_300h_OM_OM30F92E_(EE) The trunk opener switch can be temporarily disabled to protect luggage stored
in the trunk against theft.
Turn the main switch in the glove box off
to disable the trunk opener.
On
Off
The trunk lid cannot be opened even
with the wireless remote control or the
trunk release button.
■Operation signals
Wireless remote control: A buzzer sounds to indicate that the trunk has been unlocked.
■Trunk light
The trunk light turns on when the trunk is opened.
■Trunk easy closer
In the event that the trunk lid is left slight ly open, the trunk easy closer will automatically
close it to the fully closed position.
■Function to prevent the trunk being locked with the electronic key inside
●When all doors are being locked, closing the tr unk lid with the electronic key left inside
the trunk will sound an alarm.
In this case, the trunk lid can be opened pressing the trunk release button on the tru nk
lid.
●Even when the spare electronic key is put in the trunk with all the doors locked, the key
confinement prevention function can be activated so the trunk can be opened. In order
to prevent theft, take all electronic keys with you when leaving the vehicle.
●Even when the electronic key is put in the trunk with all the doors are locked, the key
may not be detected depending on the places and the surrounding radio wave condi-
tions. In this case, the key confinement prevention function cannot be activated, ca using
the doors to lock when the trunk is closed. Make sure to check where the key is before
closing the trunk.
●The key confinement prevention function cannot be activated if any one of the doors is
unlocked. In this case, open the trunk using the trunk opener.
■Overload protection function (vehicles with power trunk lid)
The trunk lid will not operate when excessive lo ad is present on the top of the trunk lid.
■Fall-down protection function (vehicles with power trunk lid)
While the trunk lid is opening automatically, applying excessive force to it will stop the
opening operation to prevent the trunk lid from rapidly falling down.
Luggage security system
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1503-2. Opening, closing and locking the doors and trunk
GS450h_300h_OM_OM30F92E_(EE)
WARNING
■Using the trunk
Observe the following precautions.
Failure to do so may cause parts of the body to be caught, resulting in serious injury.
●Remove any heavy loads, such as snow and ice, from the trunk lid before opening it.
Failure to do so may cause the trunk lid to suddenly shut again after it is opened.
●When opening or closing the trunk lid, thor oughly check to make sure the surround-
ing area is safe.
●If anyone is in the vicinity, make sure they are safe and let them know that the trunk is
about to open or close.
●Use caution when opening or closing the tr unk lid in windy weather as it may move
abruptly in strong wind.
●Do not attach any accessories other than genuine Lexus parts to the trunk lid. Such
additional weight on the trunk lid may cause the lid to suddenly shut again after it is
opened.
●The trunk lid may suddenly shut if it is not
opened fully. It is more difficult to open or
close the trunk lid on an incline than on a level
surface, so beware of the trunk lid unexpect-
edly opening or closin g by itself. Make sure
that the trunk lid is fully open and secure
before using the trunk.
●When closing the trunk lid, take extra care to
prevent your fingers etc. from being caught.
●When closing the trunk lid, make sure to
press it lightly on its outer surface. If the trunk
grip is used to fully close the trunk lid, it may
result in hands or arms being caught.

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3-3. Adjusting the seats
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Operation of each component
GS450h_300h_OM_OM30F92E_(EE)
■Operating the driving position memory after turning the power switch off Driver’s seat:
Recorded seat positions can be activated up to 180 seconds after the driver’s door is
opened and another 60 seconds after it is closed again.
Front passenger’s seat:
Recorded seat positions can be activated up to 180 seconds after the front passenger’s
door is opened.
■In order to correctly use the driving position memory function
If a seat position is already in the furthest possible position and the seat is operated in the
same direction, the recorded position may be slightly different when it is recalled.
Each electronic key (including a card key) can be registered to recall your pre-
ferred driving position.
■Registering procedure
Record your driving position to button “1”, “2” or “3” before performing the
following:
Carry only the key you want to register, and then close the driver’s door.
If 2 or more keys are in the vehicle, the driving position cann ot be recorded
properly.
Check that the shift lever is in P.
Turn the power switch to ON mode.
Recall the driving position that you want to record.
While pressing the recalled but-
ton, press and hold the door lock
switch (either lock or unlock) until
the buzzer sounds.
If the button could not be registered,
the buzzer sounds continuously for
approximately 3 seconds.
Memory recall function (driver’s side only)
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1823-3. Adjusting the seats
GS450h_300h_OM_OM30F92E_(EE)
■Recall procedure
Carry the electronic key that has been registered to the driving position,
and then unlock and open the driver’s door using the smart entry & start
system or wireless remote control.
The driving position will move to the reco rded position (not including the steering
wheel and HUD [head-up display] [if equipp ed]). However, the seat will move to a
position slightly behind the recorded position in order to make entering the vehicle
easier.
If the driving position is in a position that has already been recorded, the seat and
outside rear view mirrors will not move.
Turn the power switch to ACCESSORY mode or ON mode, or fasten a
seat belt.
The seat, steering wheel and HUD (head-up display) (if equipped) will move to the
recorded position.
■Cancelation procedure
Carry only the key you want to cancel and then close the driver’s door.
If 2 or more keys are in the vehicle, the driving position cannot be canceled
properly.
Turn the power switch to ON mode.
While pressing the “SET” button, press and hold the door lock switch
(either lock or unlock) until the buzzer sounds twice.
If the button could not be canceled, the buzzer sounds continuously for approxi- mately 3 seconds.
■Recalling the driving position us ing the memory recall function
●Different driving positions can be registered for each electronic key. Therefore, the
driving position that is recalled may be different depending on the key being carried.
●If a door other than the driver’s door is unlocked with the smart entry & start system, the
driving position cannot be recalled. In this case, press the driving position button which
has been set.
■Customization
The unlock door settings of the memory recall function can be customized.
(Customizable features: P. 561)
WARNING
■Seat adjustment caution
Take care during seat adjustment so that the seat does not strike the rear passenger or
squeeze your body against the steering wheel.
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1883-4. Adjusting the steering wheel and mirrors
GS450h_300h_OM_OM30F92E_(EE)
Inside rear view mirror
The height of the rear view mirror can be adjusted to suit your driving posture.
Adjust the height of the rear view mir-
ror by moving it up and down.
Responding to the level of brightness of the headlights of vehicles behind, the
reflected light is automatically reduced.
Changing automatic anti-glare func-
tion mode
ON/OFF
When the automatic anti-glare function
is in ON mode, the indicator illuminates.
The function will set to ON mode each
time the power switch is turned to ON
mode.
Pressing the button turns the function to
OFF mode. (The indicator also turns
off.)
The rear view mirror’s position can be adjusted to enable sufficient confirma-
tion of the rear view.
Adjusting the height of rear view mirror
Anti-glare function
Indicator

1923-4. Adjusting the steering wheel and mirrors
GS450h_300h_OM_OM30F92E_(EE)
■Mirror angle can be adjusted when
The power switch is in ACCESSORY or ON mode.
■When the mirrors are fogged up
The outside rear view mirrors can be clea red using the mirror defoggers. Turn on the
rear window defogger to turn on the outside rear view mirror defoggers. ( P. 352)
■Automatic adjustment of the mirror angle
A desired mirror face angle can be entered to memory and recalled automatically by the
driving position memory. ( P. 178)
■Auto anti-glare function
When the anti-glare inside rear view mirror is set to automatic mode, the outside rear
view mirrors will activate in conjunction with the anti-glare inside rear view mirror to
reduce reflected light. ( P. 188)
■Using automatic mode in cold weather
When automatic mode is used in cold weather, the door mirror could freeze up and
automatic stowing and return may not be possible. In this event, remove any ice and snow
from the door mirror, then either operate the mirror using manual mode or move the mir- ror by hand.
WARNING
■Important points while driving
Observe the following precautions while driving.
Failure to do so may result in loss of control of the vehicle and cause an accident, result-
ing in death or serious injury.
●Do not adjust the mirrors while driving.
●Do not drive with the mirrors folded.
●Both the driver and passenger side mirrors must be extended and properly adjusted
before driving.
■When a mirror is moving
To avoid personal injury and mirror malfunction, be careful not to get your hand caught
by the moving mirror.
■When the mirror defoggers are operating
Do not touch the rear view mirror surfaces, as they can become very hot and burn you.

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3-5. Opening, closing the windows and moon roof
Operation of each component
GS450h_300h_OM_OM30F92E_(EE)
Power windows
The power windows can be opened and closed using the switches.
Operating the switch moves the windows as follows:Closing
One-touch closing *
Opening
One-touch opening *
* : To stop the window partway, operate the
switch in the opposite direction.
Press the switch to lock the passenger
window switches. The indicator will come on.
Use this switch to prevent children from
accidentally opening or closing a pas-
senger window.
■The power windows can be operated when
The power switch is in ON mode.
■Operating the power windows after turning the hybrid system off
The power windows can be operated for approximately 45 seconds even after the
power switch is turned to ACCESSORY mode or turned off. They c annot, however, be
operated once either front door is opened.
■Jam protection function
If an object becomes jammed between the window and the window frame while the win-
dow is closing, window movement is stop ped and the window is opened slightly.
■Catch protection function
If an object becomes caught between the door and window while th e window is opening,
window movement is stopped.
Opening and closing procedures
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Window lock switch
Indicator

1963-5. Opening, closing the windows and moon roof
GS450h_300h_OM_OM30F92E_(EE)
Moon roof 
Opens the moon roof
*
The moon roof stops slightly before the
fully open position to reduce wind noise.
Press the switch again to fully open the
moon roof.
Closes the moon roof *
* : Lightly press either way of the moon
roof switch to stop the moon roof part-
way.
Tilts the moon roof up *
Tilts the moon roof down *
* : Lightly press either way of the moon
roof switch to stop the moon roof part-
way.
■The moon roof can be operated when
The power switch is in ON mode.
■Operating the moon roof after turning the hybrid system off
The moon roof can be operated for approximately 45 seconds after the power switch is
turned to ACCESSORY mode or turned off. It cannot, however, be operated once either
front door is opened.
: If equipped
Use the overhead switches to open and close the moon roof and tilt it up and
down.
Opening and closing
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Tilting up and down
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3-5. Opening, closing the windows and moon roof
3
Operation of each component
GS450h_300h_OM_OM30F92E_(EE)
■Jam protection function
If an object is detected between the moon r oof and the frame while the moon roof is clos-
ing or tilting down, trav el is stopped and the moon roof opens slightly.
■Sunshade
The sunshade can be opened and closed manually. However, the sunshade will open
automatically when the moon roof is opened.
■Door lock linked moon roof operation
●The moon roof can be opened and closed using the mechanical key. * ( P. 527)
●The moon roof can be opened and closed using the wireless remote control. *
(  P. 139)
* : These settings must be customized at an y authorized Lexus retailer or Lexus autho-
rized repairer, or any reliable repairer.
■When the moon roof does not close normally
Perform the following procedure:
●If the moon roof closes but then re-opens slightly
Stop the vehicle.
Press and hold the “CLOSE” switch. *1
The moon roof will close, reopen an d pause for approximately 10 seconds. *2
Then it
will close again, tilt up and pause for approx imately 1 second. Finally, it will tilt down,
open and close.
Check to make sure that the moon roof is completely closed and then release the switch.
●If the moon roof tilts do wn but then tilts back up
Stop the vehicle.
Press and hold the “UP” switch *1
until the moon roof moves into the tilt up position
and stops.
Release the “UP” switch once and then press and hold the “UP” switch again. *1
The moon roof will pause for approximatel y 10 seconds in the tilt up position.*2
Then it will adjust slightly and pause fo r approximately 1 second. Finally, it will tilt
down, open and close.
Check to make sure that the moon roof is completely closed and then release the switch.
* 1
: If the switch is released at the incorrec t time, the procedure will have to be per-
formed again from the beginning.
* 2
: If the switch is released after the above mentioned 10 second pause, automatic
operation will be disabled. In that case, pr ess and hold the “CLOSE” or “UP” switch,
and the moon roof will tilt up and pause fo r approximately 1 second. Then it will tilt
down, open and close. Check to make sure that the moon roof is completely closed
and then release the switch.
If the moon roof does not fully close even after performing the above procedure cor-
rectly, have the vehicle inspected by any au thorized Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
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