
1393-2. Opening, closing and locking the doors
3
Operation of each component
RX450h_U_OM0E013U
Push down the inside lock button.
Close the door.
The door cannot be locked if the power switch is in ACCESSORY or ON mode, or
the electronic key is left inside the vehicle. However, the key may not be detected cor-
rectly and the door may be locked.
The door cannot be opened from inside
the vehicle when the lock is set.
Unlock
Lock
These locks can be set to prevent chil-
dren from opening the rear doors. Push
down on each rear door switch to lock
both rear doors.
The following functions can be set or canceled:
For instructions on customizing, refer to P. 608.
Locking the doors from the outside without a key
Rear door child-protector lock
1
2
1
2
Automatic door locking and unlocking systems
FunctionOperation
Speed linked door locking function
All doors are automatically locked when
vehicle speed is approximately 12 mph
(20 km/h) or higher.
Shift position linked door locking
functionAll doors are automatically locked when
shifting the shift lever out of P.
Shift position linked door unlocking
functionAll doors are automatically unlocked
when shifting the shift lever to P.
Driver’s door linked door unlocking
functionAll doors are automatically unlocked
when driver’s door is opened.

1413-2. Opening, closing and locking the doors
3
Operation of each component
RX450h_U_OM0E013U
■Conditions affecting the operation of the smart access system with push-button start
or wireless remote control
P. 160
■Customization
Some functions can be customized. ( P. 607)
WARNING
■To prevent an accident
Observe the following precautions while driving the vehicle.
Failure to do so may result in a door opening and an occupant falling out, resulting in
death or serious injury.
●Ensure that all doors are properly closed and locked.
●Do not pull the inside handle of the doors while driving.
Be especially careful for the front doors, as the doors may be opened even if the
inside lock buttons are in locked position.
●Set the rear door child-protector locks wh en children are seated in the rear seats.
■When opening or closing a door
Check the surroundings of the vehicle such as whether the vehicle is on an incline,
whether there is enough space for a door to open and whether a strong wind is blow-
ing. When opening or closing the door, hold the door handle tightly to prepare for any
unpredictable movement.

1523-2. Opening, closing and locking the doors
RX450h_U_OM0E013U
WARNING
Observe the following precautions.
Failure to do so may cause parts of the body to be caught, resulting in death or serious
injury.
■Before driving the vehicle
Before driving the vehicle, ma ke sure that the power back door is fully closed. If the
power back door is not fully closed, it may open unexpectedly while driving, causing an
accident.
■Caution while driving
●Keep the power back door closed while driving.
If the power back door is left open, it ma y hit nearby objects while driving or luggage
may be unexpectedly thrown out, causing an accident.
In addition, exhaust gases may enter the ve hicle, causing death or a serious health
hazard. Make sure to close the power back door before driving.
●Never let anyone sit in the luggage compartment.
In the event of sudden braking, sudden swerving or a collision, they are susceptible to
death or serious injury.
■When children are in the vehicle
Observe the following precautions.
Failure to do so may result in death or serious injury.
●Do not allow children to play in the luggage compartment.
If a child is accidentally lo cked in the luggage compartment, they could have heat
exhaustion or other injuries.
●Do not allow a child to open or close the power back door.
Doing so may cause the power back door to move unexpectedly, or cause the child’s
hands, arms, head, or neck to be caught by the closing power back door. (The power
back door will not operate when it is disabled: P. 112)

1723-3. Adjusting the seats
RX450h_U_OM0E013U
WARNING
■When folding down the rear seatbacks and when the rear seatbacks are folded
Observe the following precautions.
Failure to do so may result in death or serious injury.
●Do not fold down the rear seatbacks while driving.
●Stop the vehicle on level grou nd, apply the parking brake and shift the shift lever to P.
●Do not allow anyone to sit on a folded rear seatback or in th e luggage compartment
while driving.
●Do not allow children to enter the luggage compartment.
■When operating the rear seatback
Observe the following precautions.
Failure to do so may result in death or serious injury.
●Keep other passengers from being hit by the rear seatback.
●Do not put your hands between the seats or near the moving parts, or let any part of
your body get caught.
●Power seat: Do not let children operate th e rear seatback. Other passengers may get
caught in the seat.
●Power seat: Check that there are no passengers sitting in a seat before folding it
down. Do not let passengers sit in the seat while it is being folded down.
■Seat adjustment
To reduce the risk of sliding under the lap belt during a collision, do not recline the seat
more than necessary.
If the seat is reclined excessively, the lap belt may slide past the hips and apply restraint
forces directly to the abdomen, or your ne ck may contact the shoulder belt, increasing
the risk of death or serious inju ry in the event of an accident.
Adjustments should not be made while drivin g as the seat may unexpectedly move and
cause the driver to lose control of the vehicle.
■After returning the rear seat back to the upright position
Observe the following precautions.
Failure to do so may result in death or serious injury.
●Make sure that the rear seatback is securely locked in position by lightly pushing it
back and forth.
●Check that the seat belts are not twisted or caught between or behind in the rear
seatback.

189
3
Operation of each component
RX450h_U_OM0E013U3-5. Opening, closing the windows and moon roof
The power windows can be opened and closed using the switches.
Operating the switch move
s the windows as follows:
Closing
One-touch closing
*
Opening
One-touch opening
*
*
: To stop the window partway, operate the switch in the op posite direction.
Press the switch down to lock the pas-
senger windows. The indicator light will
come on when the passenger windows
are locked.
Use this switch to prevent children from
accidentally opening or closing a pas-
senger window.
The passenger windows can still be
opened and closed using the driver’s
switch even if the lock switch is on.
Power windows
Opening and closing procedures
1
2
3
4
Window lock switch
Indicator

1923-5. Opening, closing the windows and moon roof
RX450h_U_OM0E013U
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 acci dental 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. 189)
●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 children and other passengers to get caught in the power win-
dow.
●When exiting the vehicle, turn the power switch 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 caught just before the
power window fully closes.
■Pinch protection function
●Do not use a hand, arm, or clothing to inte ntionally activate the pinch protection func-
tion.
●The pinch protection function may not oper ate if something gets caught just before
the power window is fully opened. Take care so that your hands, arms, or clothing do
not get caught.
●Check to make sure th at all passengers donot have any part of their body in a position
where it could be caught when a window is
being operated.

636
RX450h_U_OM0E013UWhat to do if... (Troubleshooting)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, ne
w genuine mechanical keys can be made
by your Lexus dealer. ( P. 133)
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. ( P. 135)
●Is the electronic key battery weak or depleted? ( P. 506)
●Is the power switch in ON mode?
When locking the doors, turn the power switch off. (P. 233)
●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 du e to the condition of the radio wave.
( P. 160)
●Is the child-protector lock set?
The rear door cannot be opened from in side the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
( P. 139)
If you have a problem, check the foll owing 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
The rear door cannot be opened

640
RX450h_U_OM0E013UAlphabetical index
Alphabetical index
A/C ............................................................ 405
Air conditioning filter......................... 501
Automatic air conditioning system ................................................. 405
ABS (Anti-lock Brake System)........ 381 Warning light .......................................537
Adaptive Front-lighting System (AFS) ...................................................... 252
Adaptive Variable Suspension System ................................................... 382
AFS (Adaptive Front-lighting System) .................................................. 252
Air conditioning filter ........................... 501
Air conditioning system ..................... 405 Air conditioning filter......................... 501
Automatic air conditioning system ................................................. 405
S-FLOW mode ................................. 406 Airbags ........................................................ 38
Airbag operating conditions .......... 46
Airbag precautions for your child............................................................ 41
Airbag warning light ........................536
Correct driving posture .................... 30
Curtain shield airbag operating conditions ....................... 46
Curtain shield airbag precautions .......................................... 44
Front passenger occupant classification system........................... 51
General airbag precautions ............. 41
Locations of airbags............................ 38
Modification and disposal of airbags .................................................... 45
Seat cushion airbag ............................. 38
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 airbag instructions for Canadian owners ................... 624
SRS airbags ............................................. 38
Alarm ............................................................87
A