2022 LEXUS ES350 start stop button

923-1. Key information
3-1.Key information
The following keys are provided with
the vehicle.Electronic keys
• Operating the smart access system with push-button start ( P.107)
• Operating the wireless remote control function
Mechanical keys
Key number plate
Card key (electronic key) (if
equipped)
Operating the smart access system with
push-button start ( P.107)
■Card key (if equipped)
●The card key is not waterproof.
●The mechanical key that is stored inside
the card key should be used only if a
problem arises, such as when the card key does not operate properly.
●If it is difficult to take out the mechanical
key, push down the lock release button
using a pen tip etc. If it is still difficult to
pull it out, use a coin etc.
●To store the mechanical key in the card
key, insert it while pressing the lock
release button.
●If the battery cover is not installed and the
battery falls out or if the battery was
removed because the key got wet, rein-
stall the battery with the positive terminal
facing the Lexus emblem.
■When riding in an aircraft
When bringing an electronic key onto an
aircraft, make sure you do not press any
buttons on the electronic key while inside
the aircraft cabin. If you are carrying an
electronic key in your bag etc., ensure that
the buttons are not likely to be pressed
accidentally. Pressing a button may cause
the electronic key to emit radio waves that
could interfere with the operation of the air-
craft.
■Electronic key battery depletion
●The standard battery life is 1 to 2 years.
(The card key battery life is from one year
to one year and a half.)
●If the battery becomes low, an alarm will
sound in the cabin when the engine is
stopped.
●Battery-saving mode can reduce the
Keys
Key types
A
B
C
D

973-2. Opening, closing and locking the doors and trunk
3
Before driving
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 60 seconds
after is pressed, the doors will be
locked again and the alarm will automati-
cally be set.)
In a case that the alarm is triggered, imme-
diately stop the alarm. (P.60)
■Impact detection door lock release sys-
tem
In the event that the vehicle is subject to a
strong impact, all the doors are unlocked.
Depending on the force of the impact or the
type of accident, however, the system may
not operate.
■Operation signals
A buzzer sounds and the emergency flash-
ers flash to indicate that the doors have
been locked/unlocked. (Locked: once;
Unlocked: twice)
A buzzer sounds to indicate that the win-
dows and moon roof (if equipped) or pan-
oramic moon roof (if equipped) are
opening.
■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. (However, depending on the
location of the electronic key, the key may
be detected as being in the vehicle. In this
case, vehicle may be unlocked.)
■When the doors cannot be locked by
the lock sensor on the upper part of the
door handle
When the doors cannot be locked even if
the lock sensor on the surface of the door
handle is touched by a finger, touch the lock
sensor with the palm.
If you are wearing gloves, remove them.
■Door lock buzzer
If an attempt to lock the doors using the
smart access system with push-button start
is made when a door other than the door
you are locking is open, a buzzer sounds
continuously for 5 seconds. Fully close all
the doors, and lock the vehicle once more.
■Setting the alarm
Locking the doors will set the alarm system.
(  P.60)
■Conditions affectin g the operation of
the smart access system with push-but-
ton start or wirele ss remote control
 P.109
■If the smart access system with push-
button start or the wireless remote con-
trol does not operate properly
Use the mechanical key to lock and unlock
the doors. ( P.376)
Replace the key battery with a new one if it
is depleted. ( P.333)
■Rear seat reminder function
●In order to remind you not to forget lug-
Multi-information
display/BeepUnlocking function
Exterior: Beeps 3 times
Interior: Pings once
Holding the driver’s
door handle unlocks
only the driver’s door.
Holding a passenger’s
door handle unlocks all
the doors.
Exterior: Beeps twice
Interior: Pings onceHolding a door handle
unlocks all the doors.

1053-2. Opening, closing and locking the doors and trunk
3
Before driving
the trunk lid.
●If the spare electronic key is put in the
trunk with all the doors locked, the key
confinement prevention function is acti-
vated so the trunk can be opened. In
order to prevent theft, take all electronic
keys with you when leaving the vehicle.
●If the electronic key is put in the trunk
with all the doors locked, the key may not
be detected depending on the location of
the key and the surrounding radio wave
conditions. In this case, the key confine-
ment prevention function cannot be acti-
vated, causing 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 exces-
sive load 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.
■Jam protection function (vehicles with
power trunk lid)
While the trunk lid is closing automatically,
the trunk lid will stop closing and open if
something gets caught.
■Internal trunk release lever
The trunk lid can be opened by pulling the
glow-in-the-dark lever located on the inside
of the trunk to the side. The lever will con-
tinue to glow for some time after the trunk
lid is closed.
■Using the mechanical key
The trunk can be also opened using the
mechanical key. ( P.376) If the trunk is
unlocked using the mechanical key, the
power trunk lid and trunk easy closer will
not be operational. To return them to an
operational state, fully close the trunk lid by
hand.
■If the smart access system with push-
button start or the wireless remote con-
trol does not operate properly
Use the mechanical key to unlock the trunk.
(  P.376)
Replace the key battery with a new one if it
is depleted. ( P.333)
■Hands Free Power Trunk Lid operating
conditions (vehicles with power trunk
lid)
●When the Hands Free Power Trunk Lid
(kick sensor) operation setting is turned
on and the engine sw itch is turned off
●When an electronic key is carried within
the operation range
■Situations in which the Hands Free
Power Trunk Lid may not operate prop-
erly (vehicles with power trunk lid)
In the following situations, the Hands Free
Power Trunk Lid may not operate properly:
●When a foot remains under the rear
bumper
●If the rear bumper is strongly hit with a
foot or is touched for a while
If the rear bumper has been touched for a
while, wait for a short time before
attempting to operate the Hands Free
Power Trunk Lid again.
●When operated while a person is too
close to the rear bumper
●When an external radio wave source
interferes with the communication

1093-2. Opening, closing and locking the doors and trunk
3
Before driving
■Battery-saving function
The battery-saving function will be acti-
vated in order to prevent the electronic key
battery and the battery from being dis-
charged while the vehicle is not in operation
for a long time.
●In the following situations, the smart
access system with push-button start may
take some time to unlock the doors.
• The electronic key has been left within
approximately 6 ft. (2 m) of the outside of
the vehicle for 10 minutes or longer.
• The smart access system with push-but-
ton start has not been used for 5 days or
longer.
●If the smart access system with push-but-
ton start has not been used for 14 days or
longer, the doors cannot be unlocked at
any doors except the driver’s door. In this
case, take hold of the driver’s door han-
dle, or use the wireless remote control or
mechanical key, to unlock the doors.
■Turning an electronic key to battery-
saving mode
●When battery-saving mode is set, battery
depletion is minimized by stopping the
electronic key from receiving radio
waves.
Press twice while pressing and
holding . Confirm that the elec-
tronic 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 func-
tion, press any of the electronic key but-
tons.
●Electronic keys that will not be used for
long periods of time can be set to the bat-
tery-saving mode in advance.
■Conditions affecting operation
The smart access system with push-button
start uses weak radio waves. In the follow-
ing situations, the communication between
the electronic key and the vehicle may be
affected, preventing the smart access sys-
tem with push-button start, wireless remote
control and engine immobilizer system
from operating properly.
(Ways of coping:  P.376)
●When the electronic key battery is
depleted
●Near a TV tower, electric power plant,
gas station, radio station, large display,
airport or other facility that generates
strong radio waves or electrical noise
●When the electronic key is in contact
with, or is covered by the following metal-
lic 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
device
• Another electronic key or a wireless key that emits radio waves
• Personal computers or personal digital assistants (PDAs)
• Digital audio players
• Portable game systems
●If window tint with a metallic content or
metallic objects are attached to the rear
window
●When the electronic key is placed near a
battery charger or electronic devices
●When the vehicle is parked in a pay park-
ing spot where radio waves are emitted.
■Notes for the entry function
●Even when the electronic key is within the

1113-2. Opening, closing and locking the doors and trunk
3
Before driving
■To operate the system properly
●Make sure to carry the electronic key
when operating the system. Do not get
the electronic key too close to the vehicle
when operating the system from the out-
side of the vehicle.
Depending on the position and holding
condition 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 function may not oper-
ate.)
●Do not leave the electronic key inside the
trunk.
The key confinement prevention function
may not operate, depending on the loca-
tion of the key (close to a spare tire, the
inside edge of the trunk), conditions
(inside a metal bag, close to metallic
objects) and the radio waves in the sur-
rounding area. (P.104)
■If an electronic key does not work prop-
erly
●If the doors cannot be locked or
unlocked and the trunk cannot be
opened, perform the following.
• Bring the electronic key close to the door
handle and perform a lock or unlock
operation.
• Bring the electronic key close to the but-
ton on the trunk ( P.103) and press the
button.
• Use the wireless remote control.
If the doors cannot be locked or unlocked
by perform the above, use the mechanical
key. ( P.376)
For Canada: However, if the mechanical
key is used while the alarm system is set, the
warning will sound. ( P.60)
●If the engine cannot be started, refer to
P.378
■Customization
Settings (e. g. smart access system with
push-button start) can be changed.
(Customizable features: P.408)
If the smart access system with push-button
start has been deactivated in a customized
setting, refer to the explanations for the fol- lowing operations.
●Locking and unlocking the doors and
opening the trunk:
Use the wireless remote control or
mechanical key. (
P.96, 103, 376)
●Starting the engine and changing engine
switch modes: P.378
●Stopping the engine: P.146
WARNING
■Caution regarding interference with
electronic devices
●People with implantable cardiac pace-
makers, cardiac resynchronization
therapy-pacemakers or implantable
cardioverter defibrillators should keep
away from the smart access system
with push-button start antennas.
( P.107)
The radio waves may affect the opera-
tion of such devices. If necessary, the
entry function can be disabled. Ask
your Lexus dealer for details, such as
the frequency of radio waves and tim-
ing of the emitted radio waves. Then,
consult your doctor to see if you
should disable the entry function.
●Users of any electrical medical device
other than implantable cardiac pace-
makers, cardiac resynchronization
therapy-pacemakers or implantable
cardioverter defibrillators should con-
sult the manufacturer of the device for
information about its operation under
the influence of radio waves.
Radio waves could have unexpected
effects on the operation of such medi-
cal devices.
Ask your Lexus dealer for details on dis-
abling the entry function.

1454-2. Driving procedures
4
Driving
■If the battery is discharged
The engine cannot be started using the
smart access system with push-button start.
Refer to P.379 to restart the engine.
■Electronic key battery depletion
 P.92
■Conditions affecting operation
 P.109
■Notes for the entry function
 P.109
■Steering lock function
●After turning the engine switch off and
opening and closing the doors, the steer-
ing wheel will be locked due to the steer-
ing lock function. Operating the engine
switch again automatically cancels the
steering lock.
●When the steering lock cannot be
released, “Push Engine Switch while
Turning Steering Wheel in Either Direc-
tion” will be displayed on the multi-infor-
mation display.
Check that the shift lever is set in P. Press
the engine switch shortly and firmly while
turning the steering wh eel left and right.
●To prevent the steering lock motor from
overheating, operation of the motor may
be suspended if the engine is turned on
and off repeatedly in a short period of
time. In this case, refrain from operating
the engine switch. After about 10 sec-
onds, the steering lock motor will resume
functioning.
■If there is a malfunction in the smart
access system with push-button start
If “Access System with Elec. Key Malfunc-
tion See Owner’s Manual” is displayed on
the multi-information display, the system
may be malfunctioning. Have the vehicle inspected by your Lexus dealer immedi-
ately.
■Electronic key battery
 P.333
■Operation of the engine switch
●If the switch is not pressed shortly and
firmly, the engine switch mode may not
change or the engine may not start.
●If attempting to restart the engine imme-
diately after turning the engine switch off,
the engine may not start in some cases.
After turning the engine switch off, please
wait a few seconds before restarting the
engine.
■Customization
If the smart access system with push-button
start has been deactivated in a customized
setting, refer to P.408.
WARNING
■When starting the engine
Always start the engine while sitting in
the driver’s seat. Do not depress the
accelerator pedal while starting the
engine under any circumstances.
Doing so may cause an accident result-
ing in death or serious injury.
■Caution while driving
If engine failure occurs while the vehicle
is moving, do not lock or open the doors
until the vehicle reaches a safe and com-
plete stop. Activation of the steering lock
in this circumstance may lead to an acci-
dent, resulting in death or serious injury.
NOTICE
■When starting the engine
●Do not race a cold engine.
●If the engine becomes difficult to start
or stalls frequently, have your vehicle
checked by your Lexus dealer imme-
diately.

1504-2. Driving procedures
While the engine switch is in IGNITION ON mode and the brake pedal
depressed
*, shift the shift lever while pushing th e shift release button on the shift
knob.
Shift the shift lever while pushing the shift release button on the shift knob.
Shift the shift lever normally.
When shifting the shift lever between P and D, make sure that the vehicle is completely
stopped and the brake pedal is depressed.
*: For the vehicle be able to be shifted from P, the brake pedal must be depressed before the shift release button is pushed. If the shift release button is pushed first, the shift lock
will not be released.
■Shift lock system
The shift lock system is a system to prevent
accidental operation of the shift lever in
starting.
The shift lever can be shifted from P only
when the engine switch is in IGNITION ON mode the brake pedal is depressed
and the shift release button is pushed.
■If the shift lever cannot be shifted from P
First, check whether the brake pedal is
being depressed.
If the shift lever cannot be shifted even
Shifting the shift lever

1574-2. Driving procedures
4
Driving
tion, if any of the conditions are detected
while the system is holding the brake, a
warning buzzer will sound and a message
will be shown on the multi-information dis-
play. The parking brake will then be set
automatically.
■Brake hold function
●If the brake pedal is left released for a
period of about 3 minutes after the sys-
tem has started holding the brake, the
parking brake will be set automatically. In
this case, a warning buzzer sounds and a
message is shown on the multi-informa-
tion display.
●To turn the system off while the system is
holding the brake, firmly depress the
brake pedal and press the button again.
●The brake hold function may not hold the
vehicle when the vehicle is on a steep
incline. In this situation, it may be neces-
sary for the driver to apply the brakes. A
warning buzzer will sound and the multi-
information display will inform the driver
of this situation. If a warning message is
shown on the multi-information display,
read the message and follow the instruc-
tions.
■When the parking brake is set automati-
cally while the system is holding the
brakes
Perform any of the following operations to
release the parking brake.
●Depress the accelerator pedal. (The
parking brake will not be released auto-
matically if the seat belt is not fastened.)
●Operate the parking brake switch with
the brake pedal depressed.
Make sure that the parking brake indicator
light goes off. ( P.154)
■When an inspection at your Lexus
dealer is necessary
When the brake hold standby indicator
(green) does not illuminate even when the
brake hold switch is pressed with the brake
hold system operating conditions met, the
system may be malfunctioning. Have the
vehicle inspected at your Lexus dealer.
■If “Brake Hold Fault Depress Brake to
Deactivate Visit Your Dealer” or
“Brake Hold Malfunction Visit Your
Dealer” is displayed on the multi-infor-
mation display
The system may be malfunctioning. Have
the vehicle inspected by your Lexus dealer.
■Warning messages and buzzers
Warning messages and buzzers are used to
indicate a system malfunction or to inform
the driver of the need for caution. If a warn-
ing message is shown on the multi-informa-
tion display, read the message and follow
the instructions.
■If the brake hold operated indicator
flashes
 P.358
WARNING
■When the vehicle is on a steep incline
Take care when using the brake hold sys-
tem on a steep incline, exercise caution.
The brake hold function may not hold
brakes in such situations.
Also, the system may not activate
depending on the angle of the slope.
■When stopped on a slippery road
The system cannot stop the vehicle when
the gripping ability of the tires has been
exceeded. Do not use the system when
stopped on a slippery road.
NOTICE
■When parking the vehicle
The brake hold system is not designed
for use when parking the vehicle for a
long period of time. Turning the engine
switch off while the system is holding the
brake may release the brake, which
would cause the vehicle to move. When
operating the engine switch, depress the
brake pedal, shift the shift lever to P and
set the parking brake.