key LEXUS RX450H 2019 Owner's Guide

1983-5. Opening, closing the windows and moon roof
RX450h_RX450hL_U
■Door lock linked window operation
●The power windows can be opened an d closed using the mechanical key.* ( P. 693)
●The power windows can be opened using the wireless remote control.* (P. 136)
*: These settings must be cust omized at your Lexus dealer.
■Alarm
The alarm may be triggered if the alarm is set and a power window is closed using the
door lock linked power window operation function. ( P. 87)
■When the 12-volt battery is disconnected
The window lock switch is disabled. If necessary, press the window lock switch after
reconnecting the 12-volt battery.
■Power windows open warning buzzer
A buzzer sounds and a message is shown on the multi-information display in the instru-
ment cluster when the power switch is turned off and the driver’s door is opened with the
power windows open.
■Customization
Some functions can be customized. ( P. 736)

1993-5. Opening, closing the windows and moon roof
3
Operation of each component
RX450h_RX450hL_U
WARNING
Observe the following precautions.
Failing to do so may result in death or serious injury.
■Opening and closing the windows
●The driver is responsible for all the power window operations, including the operation
for the passengers. In order to prevent accidental operation, especially by a child, do
not let a child operate the power windows. It is possible for children and other passen-
gers to have body parts caught in the powe r window. Also, when riding with a child, it
is recommended to use the window lock switch. ( P. 196)
●When using the wireless remote control or mechanical key and operating the power
windows, operate the power window after checking to make sure that there is no pos-
sibility of any passenger having any of their body parts caught in the window. Also do
not let a child operate power window by the wireless remote control or mechanical
key. It is possible for child ren and other passengers to get caught in the power win-
dow.
●When exiting the vehicle, turn the power swit ch off, carry the key and exit the vehicle
along with the child. There may be accidental operation, due to mischief, etc., that
may possibly lead to an accident.
■Jam protection function
●Never use any part of your body to intentionally activate the jam protection function.
●The jam protection function may not work if something gets jammed just before the
window is fully closed. Be careful not to get any part of your body jammed in the win-
dow.
■Catch protection function
●Never use any part of your body or clothing to intentionally activate the catch protec-
tion function.
●The catch protection function may not work if something gets caught just before the
window is fully opened. Be ca reful not to get any part of your body or clothing caught
in the window.
●Check to make sure th at all passengers do
not have any part of their body in a position
where it could be caught when a window is
being operated.

2013-5. Opening, closing the windows and moon roof
3
Operation of each component
RX450h_RX450hL_U
■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 the
driver’s door is opened.
■Jam protection function
If an object is detected between the moon roof and the frame while the moon roof is clos-
ing or tilting down, travel 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. 693)
●The moon roof can be opened us ing the wireless remote control.* ( P. 136)
*: These settings must be customized at your Lexus dealer.

2033-5. Opening, closing the windows and moon roof
3
Operation of each component
RX450h_RX450hL_U
WARNING
Observe the following precautions.
Failing to do so may cause death or serious injury.
■Opening the moon roof
●Do not allow any passengers to put their hands or heads outside the vehicle while it is
moving.
●Do not sit on top of the moon roof.
■Opening and closing the moon roof
●The driver is responsible for moon roof opening and closing operations.
In order to prevent accidental operation, especially by a child, do not let a child oper-
ate the moon roof. It is possible for child ren and other passengers to have body parts
caught in the moon roof.
■Jam protection function
●Never use any part of your body to intentionally activate the jam protection function.
●The jam protection function may not work if something gets caught just before the
moon roof is fully closed. Also, the jam prot ection function is not designed to operate
while the switch is being pressed. Take care so that your fingers, etc. do not get
caught.
●Check to make sure th at all passengers do
not have any part of their body in a position
where it could be caught when the moon roof
is being operated.
●When using the wireless remote control or
mechanical key and operating the moon roof,
operate the moon roof after checking to
make sure that there is no possibility of any
passenger having any of their body parts
caught in the moon roof. Also, do not let a
child operate moon roof by the wireless
remote control or mechanical key. It is possi-
ble for children and other passengers to get
caught in the moon roof.
●When exiting the vehicle, turn the power
switch off, carry the ke y and exit the vehicle
along with the child. There may be accidental
operation, due to mischief, etc., that may pos-
sibly lead to an accident.

2053-5. Opening, closing the windows and moon roof
3
Operation of each component
RX450h_RX450hL_U
Opens the panoramic moon roof*
Slide and hold the switch back-
ward. The panoramic moon roof and
electronic sunshade will open automat-
ically.
The panoramic moon roof can be
opened from the tilt-up position.
*: Quickly slide and release the switch in either direction to stop the
panoramic moon roof partway.
Closes the panoramic moon roof
Slide and hold the switch for-
ward. The panoramic moon roof will
fully close automatically.
■The panoramic moon roof can be operated when
The power switch is in ON mode.
■Operating the panoramic moon roof af ter turning the hybrid system off
The panoramic moon roof and electronic su nshade can be operated for approximately
45 seconds after the power switch is turned to ACCESSORY mode or turned off. They
cannot, however, be operated once the driver’s door is opened.
■Jam protection function
If an object is detected be tween the panoramic moon roof and the frame in the following
situations, travel is stopped and the panoramic moon roof opens slightly:
●The panoramic moon roof is closing or tilting down.
●The electronic sunshade is closing.
■Door lock linked panoramic moon roof operation
●The panoramic moon roof can be opened and closed using the mechanical key.*
(  P. 693)
●The panoramic moon roof can be open ed using the wireless remote control.*
( P. 136)
*: These settings must be customized at your Lexus dealer.
Opening and closing the panoramic moon roof

2073-5. Opening, closing the windows and moon roof
3
Operation of each component
RX450h_RX450hL_U
WARNING
Observe the following precautions.
Failing to do so may cause death or serious injury.
■Opening and closing the electronic sunshade
■Opening and closing the panoramic moon roof
●The driver is responsible for panoramic moon roof opening and closing operations.
In order to prevent accidental operation, especially by a child, do not let a child oper-
ate the panoramic moon roof. It is possibl e for children and other passengers to have
body parts caught in the panoramic moon roof.
■Jam protection function
●Never use any part of your body to intentionally activate the jam protection function.
●The jam protection function may not work if something gets caught just before the
panoramic moon roof or electronic sunshade is fully closed. Also, the jam protection
function is not designed to operate while the switch is being pressed. Take care so that
your fingers, etc. do not get caught.
●Check to make sure th at all passengers do
not have any part of their body in a position
where it could be caught when the electronic
sunshade is being operated.
●Do not let a child operate the electronic sun-
shade. Closing the electronic sunshade on
someone can cause death or serious injury.
●Check to make sure th at all passengers do
not have any part of their body in a position
where it could be caught when the panoramic
moon roof is being operated.
●When using the wireless remote control or
mechanical key and operating the panoramic
moon roof, operate th e panoramic moon roof
after checking to make sure that there is no
possibility of any passenger having any of
their body parts caught in the panoramic
moon roof. Also, do not let a child operate
panoramic moon roof by the wireless remote
control or mechanical key. It is possible for
children and other passengers to get caught
in the panoramic moon roof.
●When exiting the vehicle, turn the power
switch off, carry the ke y and exit the vehicle
along with the child. There may be accidental
operation, due to mischief, etc., that may pos-
sibly lead to an accident.

212
RX450h_RX450hL_U4-1. Before driving

P. 239
With the brake pedal depressed, shift the shift lever to D. ( P. 246)
Release the parking brake. ( P. 254)
If the parking brake is in automatic mode, the parking brake is released automatically
when shifting the shift lever to any position other than P. ( P. 253)
Gradually release the brake pedal and gently depress the accelerator pedal
to accelerate the vehicle.
With the shift lever in D, depress the brake pedal.
If necessary, set the parking brake. ( P. 254)
If the vehicle is to be stopped for an extended period of time, shift the shift lever to P.
( P. 246)
With the shift lever in D, depress the brake pedal.
Set the parking brake ( P. 254), and shift the shift lever to P ( P. 246).
Press the power switch to stop the hybrid system.
Lock the door, making sure that you ha ve the electronic key on your person.
If parking on a hill, block the wheels as needed.
Driving the vehicle
The following procedures should be observed to ensure safe driving:
Starting the hybrid system
Driving
Stopping
Parking the vehicle
1
2
3
1
2
1
2
3
4

239
4
Driving
RX450h_RX450hL_U4-2. Driving procedures
Check that the parking brake is set.
Check that the shift lever is in P.
Firmly depress the brake pedal.
and a message will be
displayed on the multi-information display.
If it is not displayed, the hybrid system cannot be started.
Press the power switch shortly and
firmly.
When operating the power switch, one
short, firm press is enough.
It is not necessary to press and hold the
switch.
If the “READY” indicator turns on, the
hybrid system will operate normally.
Continue depressing the brake pedal
until the “READY” indicator is illumi-
nated.
The hybrid system can be started from
any power switch mode.
Check that the “READY” indicator is illuminated.
The vehicle will not move when the “READY” indicator is off.
Power (ignition) switch
Performing the following operations wh en carrying the electronic key on your
person starts the hybrid system or changes power switch modes.
Starting the hybrid system
1
2
3
4
5

2414-2. Driving procedures
4
Driving
RX450h_RX450hL_U
If the hybrid system is stopped with the shift lever in a position other than P, the
power switch will not be turned off but instead be turned to ACCESSORY
mode. Perform the following proc edure to turn the switch off:
Check that the parking brake is set.
Shift the shift lever to P.
Check that “Turn Off Vehicle” is disp layed on the multi-information display
and then press the power switch once.
Check that “Turn Off Vehicle” on th e multi-information display is off.
■Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes or ON mode (the
hybrid system is not operating) for more than an hour with the shift lever in P, the power
switch will automatically turn off. However, th is function cannot entirely prevent 12-volt
battery discharge. Do not leave the vehicle with the power switch in ACCESSORY or
ON mode for long periods of time when the hybrid system is not operating.
■Sounds and vibrations specific to a hybrid vehicle
P. 77
■Electronic key battery depletion
P. 134
■When the ambient temperature is low, su ch as during winter driving conditions
When starting the hybrid system, the flashing time of the “READY” indicator may be
long. Leave the vehicle as it is until the “REA DY” indicator is steady on, as steady means
the vehicle is able to move.
■Conditions affe cting operation
 P. 160
■Note for the entry function
P. 161
■If the hybrid system does not start
●The immobilizer system may no t have been deactivated. (P. 83)
Contact your Lexus dealer.
●Check that the shift lever is se curely set in P. The hybrid system may not start if the shift
lever is displaced out of P. “To Start Vehicle, Put Shift Lever into P” will be displayed on
the multi-information display.
When stopping the hybrid system with the shift lever in a position other
than P
1
2
3
4

2424-2. Driving procedures
RX450h_RX450hL_U
■Steering lock
After turning the power switch off and openin g and closing the doors, the steering wheel
will be locked due to the steering lock func tion. Operating the power switch again auto-
matically cancels the steering lock.
■When the steering lock cannot be released
■Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, operation of the motor may be sus-
pended if the hybrid system is turned on an d off repeatedly in a short period of time. In
this case, refrain from operating the hybrid system. Afte r about 10 seconds, the steering
lock motor will resume functioning.
■When “Access System with Elec. Key Malf unction See Owner’s Manual” is displayed
on the multi-information display
The system may be malfunctio ning. Have the vehicle inspected by your Lexus dealer
immediately.
■If the “READY” indicator does not come on
In the event that the “READY” indicator does not come on even after performing the
proper procedures for starting the vehicl e, contact your Lexus dealer immediately.
■If the hybrid system is malfunctioning
P. 79
■If the electronic key battery is depleted
P. 630
■Operation of the power switch
●If the switch is not pressed shortly and firmly, the power switch mode may not change or
the hybrid system may not start.
●If attempting to restart the hybrid system immediately after turning the power switch off,
the hybrid system may not start in some cases. After turning the power switch off,
please wait a few seco nds before restarting the hybrid system.
■If the smart access system wi th push-button start has been deactivated by a customized
setting
 P. 692
“Steering Wheel Lock Pr
ess Power Switch while
Turning Wheel” will be displayed on the multi-
information display.
Check that the shift lever is in P. Press the power
switch shortly and firmly while turning the steer-
ing wheel left and right.