stop start LEXUS RX450h 2016 User Guide

1373-2. Opening, closing and locking the doors
3
Operation of each component
RX450h_U_OM0E013U ■
Operation signals
Doors:
A buzzer sounds and the emergency flashers flash to indicate that the doors have been
locked/unlocked. (Locked: Once; Unlocked: Twice)
Windows and moon roof or panoramic moon roof:
A buzzer sounds. ■
Security feature
If a door is not opened within approximately 60 seconds after the vehicle is unlocked, the
security feature automatically locks the vehicle again. ■
When the door cannot be locked by the lock sensor on the surface of the door handle
■
Door lock buzzer
If an attempt to lock the doors is made when a door is not fully closed, a buzzer sounds
continuously for 5 seconds. Fully close the door to stop the buzzer, and lock the vehicle
once more. ■
Setting the alarm
Locking the doors will set the alarm system. (  P. 8 7 )■
If the smart access system with push-butto n start or the wireless remote control does
not operate properly ●
Use the mechanical key to lock and unlock the doors. (  P. 5 6 4 )●
Replace the key battery with a new one if it is depleted. (  P. 5 0 6 )When the door cannot be locked even if the
lock sensor on the surfac e of the door handle is
touched by a finger, touch the lock sensor with
the palm.
When gloves are being worn, remove the
gloves.

142 3-2. Opening, closing and locking the doors
RX450h_U_OM0E013U ◆ Smart access system with push-button start
Carry the electronic key to enable
this function.
Locks all the doors Check that the door is securely
locked.
Unlocks all the doors The doors cannot be unlocked for 3
seconds after the doors are locked.
◆ Wireless remote control
 P. 1 3 6
◆ Door lock switch
 P. 1 3 8
Press and hold the switch for approxi-
mately 1 second. The power back door can be operated
whether it is locked
* or unlocked.
Pressing the switch while the power
back door is opening/closing will stop
the operation.
Pressing and holding the switch again
for approximately 1 second will operate
the power back door in the opposite
direction.
* : Opening of the power back door when it is locked can be disabled by a customized
setting. (  P. 6 1 1 )Power back door The power back door can be locked/unlocked and opened/closed by the fol-
lowing procedures.
Locking and unlocking the power back door from the outside 1
2
Locking and unlocking the power back door from the inside
Opening/closing the power back do or using the wireless remote con-
trol

1493-2. Opening, closing and locking the doors
3
Operation of each component
RX450h_U_OM0E013U ■
Back door closer
In the event that the power back door is left slightly open, the back door closer will auto-
matically close it to the fully closed position. ●
The back door closer can function wh en the power switch is in any mode.●
The power back door can be opened using th e back door opener switch even if the
back door closer is operating. ■
Operation of the power back door ●
When the power back door begins to operate, the emergency flashers will flash twice
and a buzzer will sound. ●
When the power back door is disabled (  P. 112), the power back door will not operate
but can be opened and closed manually. ●
The power back door turns to manual operat ion when the back door opener switch is
pressed while the power back door is in an automatic opening/closing operation.●
If anything obstructs the po wer back door while opening, a buzzer will sound and the
power back door will stop immediately. If anything obstructs the power back door while
closing, a buzzer will sound and the power back door will automatically move slightly in
the opposite direction and then stop. ■
Back door reserve lock function
This function reserves the locking of the po wer back door when the power back door is
open. If the following operations are performed, all of the doors except the power back
door will lock and then the power back door will lock when it is completely closed.
Close all of the doors, ex cept the power back door.
Perform an automatic closing operation of the power back door and lock the doors
using the wireless remote control (  P. 136) or smart access system with push-button
start (  P. 136, 142) while the power back door is closing. 1
2

154 3-2. Opening, closing and locking the doors
RX450h_U_OM0E013U WA R N I N G ■
Back door closer
●
Use caution when using the back door closer as it still operates when the power back
door system is disabled. ■
Power back door
Observe the following precautions when operating the power back door.
Failure to do so may cause death or serious injury. ●
Check the safety of the surrounding area to make sure there are no obstacles or any-
thing that could cause any of your belongings to get caught. ●
If anyone is in the vicinity, make sure they are safe and let them know that the power
back door is about to open or close. ●
If the power back door system is disabled (  P. 112) while the power back door is
operating, the power back door will stop operating. The power back door must then
be operated manually. Take extra care in this situation, as the power back door may
open or close suddenly. ●
If the operating conditions of the power back door (  P. 147) are no longer met, a
buzzer may sound and the power back door may stop opening or closing. The power
back door must then be operated manually. Take extra care on an incline in this situa-
tion, as the power back door may move suddenly. ●
On an incline, the power back door may suddenly shut after it opens. Make sure the
power back door is fully open and secure. ●
In the following situations, the power back door may detect an abnormality and auto-
matic operation may be stopped. In this case, the power back door must then be
operated manually. Take extra care in this situation, as the stopped power back door
may suddenly open or close, causing an accident.
• When the power back door contacts an obstacle
• When the 12-volt battery voltage suddenly drops, such as when the power switch
is turned to ON mode or the hybrid syst em is started during automatic operation●
In the event that the power back door is left
slightly open, th e back door closer will auto-
matically close it to the fully closed position. It
takes several seconds before the back door
closer begins to operate. Be careful not to get
fingers caught or anything else in the power
back door, as this may cause bone fractures
or other serious injuries.

158 3-2. Opening, closing and locking the doors
RX450h_U_OM0E013U ●
Locks and unlocks the doors (  P. 1 3 6 )●
Locks and unlocks the back door (  P. 1 4 2 )●
Starts and stops the hybrid system (  P. 232)■
Antenna location
■
Effective range (areas within whic h the electronic key is detected)Smart access system with push-button start The following operations can be performed simply by carrying the electronic
key on your person, for example in your pocket. The driver should always
carry the electronic key.
Antennas outside the cabin
Antennas inside the cabin
Antenna outside the luggage compartment
When locking or unlocking the doors
The system can be operated when the elec-
tronic key is within about 2.3 ft. (0.7 m) of
an outside door handle. (Only the doors
detecting the key can be operated.)
When starting the hybrid system or chang-
ing power switch modes
The system can be operated when the elec-
tronic key is inside the vehicle. 1
2
3

160 3-2. Opening, closing and locking the doors
RX450h_U_OM0E013U ■
Electronic Key battery-Saving Function
When battery-saving mode is set, battery depletion is minimized by stopping the elec-
tronic key from receiving radio waves.
■
Conditions affe cting operation
The smart access system with push-button star t, wireless remote control and immobilizer
system use weak radio waves. In the followi ng situations, the communication between the
electronic key and the vehicle may be affected, preventing the smart access system with
push-button start, wireless remote control and immobilizer system from operating prop-
erly. (Ways of coping:  P. 5 6 4 )●
When the electronic key battery is depleted ●
Near a TV tower, electric powe r plant, gas station, radio stat ion, large display, airport or
other facility that generates strong radio waves or electrical noise ●
When the electronic key is in contact wi th, or is covered by the following metallic
objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
•Coins
•Hand warmers made of metal
• Media such as CDs and DVDs ●
When other wireless keys (that emit radio waves) are being used nearby ●
When carrying the electronic key together with the following devices that emit radio
waves
• Portable radio, cellular phone, cordless phone or other wireless communication
devices
• Another vehicle’s electronic key, another el ectronic key of your vehicle, or a wireless
key that emits radio waves
• Personal computers or person al digital assistants (PDAs)
• Digital audio players
• Portable game systems ●
If window tint with a metallic content or me tallic objects are attached to the rear win-
dow ●
When the electronic key is placed near a battery charger or electronic devicesPress twice while pressing and holding .
Confirm that the electronic key indicator flashes
4 times.
While the battery-saving mode is set, the smart
access system with push-button start cannot be
used. To cancel the function, press any of the
electronic key buttons.

162 3-2. Opening, closing and locking the doors
RX450h_U_OM0E013U ●
Fingernails may scrape against the door duri ng operation of the door handle. Be care-
ful not to injure fingernails or damage the surface of the door.
* : This setting can be customized at your Lexus dealer. ■
When the vehicle is not driven for extended periods ●
To prevent theft of the vehicle, do not leave the electronic key within 6 ft. (2 m) of the
vehicle. ●
The smart access system with push-butto n start can be deactivated in advance.
(  P. 6 0 7 )■
To operate the system properly
Make sure to carry the electronic key when operating the system. Do not get the elec-
tronic key too close to the vehicle when op erating the system from the outside of the
vehicle.
Depending on the position and holding condit ion of the electronic key, the key may not
be detected correctly and the system may not operate properly. (The alarm may go off
accidentally, or the door lock prevention may not operate.) ■
If the smart access system with push-button start does not operate properly ●
Locking and unlocking the doors: Use the mechanical key. (  P. 5 6 4 )●
Starting the hybrid system:  P. 5 6 6■
Customization
Some functions can be customized. (  P. 6 0 7 )■
If the smart access system with push-butto n start has been deactivated in a customized
setting ●
Locking and unlocking the doors:
Use the wireless remote control or mechanical key. (  P. 136, 142, 564)●
Starting the hybrid system and changing power switch modes:  P. 5 6 6●
Stopping the hybrid system:  P. 2 3 3

1673-3. Adjusting the seats
3
Operation of each component
RX450h_U_OM0E013U ■
Folding down the rear seatbacks (power seat)
Press and hold the switch to fold down the rear seatback.A buzzer will sound and then the operation will start. The buzzer will sound again
when the operation is completed.
To stop the operation partway, press either side of the rear seat operation switch of
the operating seat. Any rear seat operatio n switch for the operating seat, regard-
less of location, can be used to stop th e operation. (A buzzer may sound depend-
ing on the position that the rear seatback is stopped.)
■
Folding down the rear center seatback
Pull the lock release lever behind the
rear seatback and fold the rear seat-
back down. To return the rear center seatback to
its original position, lift it up until it
locks. 
Rear seat operation switch
(rear seat) 
Rear seat operation switch
(luggage compartment)
When using the rear seat operation switch (rear seat): If the rear seatback is
reclined, bring the rear seatback to th e most upright position and press and
hold the switch again.

1693-3. Adjusting the seats
3
Operation of each component
RX450h_U_OM0E013U ■
Returning the rear seatbacks (power seat)
Press and hold the switch to return the rear seatback. A buzzer will sound and then the operation will start. The buzzer will sound again
when the operation is completed.
To stop the operation partway, press either side of the rear seat operation switch of
the operating seat. Any rear seat oper ation switches for the operating seat,
regardless of location, can be used to stop the operation. (A buzzer may sound
depending on the position that the rear seatback is stopped.)
Check that the plate of the seat
belt is on the front side of the seat. 1
Rear seat operation switch
(rear seat) 
Rear seat operation switch
(luggage compartment)
2

1993-5. Opening, closing the windows and moon roof
3
Operation of each component
RX450h_U_OM0E013U ■
Closing both the panoramic moon roof and electronic sunshade
Slide the
switch forward.
The electronic sunshade will close to the half-open position and pause. The panoramic
moon roof will then fully close. Then the electronic sunshade will fully close.■
When the panoramic moon roof or electronic sunshade does not close normally
Perform the following procedure:
Stop the vehicle.
Turn the power switch to ON mode.
Slide and hold the switch or switch forward. Continue pressing the
switch for approximately 10 seconds afte r the panoramic moon roof or electronic
sunshade closes and reopens. The panoramic moon roof and electronic sunshade
will start to close.
*Check that the panoramic moon roof and electronic sunshade are fully closed and
release the switch.
* : If the switch is released at the incorrec t time, the procedure will have to be per-
formed again from the beginning.
If the panoramic moon roof or electronic su nshade does not fully close even after per-
forming the above procedure correctly, have the vehicle inspected by your Lexus dealer. ■
Alarm
The alarm may be triggered if the alarm is set and the panoramic moon roof is closed
using the door lock linked panoramic moon roof operation function. (  P. 8 8 ) ■
Panoramic moon roof open warning buzzer
The 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
panoramic moon roof open. ■
Customization
Some functions can be customized. (  P. 6 0 7 )1
2
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