2021 Lexus IS350 window

401-1. For safe use
Exhaust gas precautions
Harmful substance to the human
body is included in exhaust gases if
inhaled.
WARNING
Exhaust gases include harmful carbon
monoxide (CO), which is colorless and
odorless. Observe the following precau-
tions.
Failure to do so may cause exhaust gases
enter the vehicle and may lead to an
accident caused by light-headedness, or
may lead to death or a serious health
hazard.
■Important points while driving
●Keep the trunk lid closed.
●If you smell exhaust gases in the vehi-
cle even when the trunk lid is closed,
open the windows and have the vehi-
cle inspected at your Lexus dealer as
soon as possible.
■When parking
●If the vehicle is in a poorly ventilated
area or a closed area, such as a
garage, stop the engine.
●Do not leave the vehicle with the
engine on for a long time.
If such a situation cannot be avoided,
park the vehicle in an open space and
ensure that exhaust fumes do not enter
the vehicle interior.
●Do not leave the engine running in an
area with snow build-up, or where it is
snowing. If snowbanks build up around
the vehicle while the engine is running,
exhaust gases may collect and enter
the vehicle.
■Exhaust pipe
The exhaust system needs to be checked
periodically. If there is a hole or crack
caused by corrosion, damage to a joint
or abnormal exhaust noise, be sure to
have the vehicle inspected and repaired
by your Lexus dealer.

411-2. Child safety
1
For safety and security
1-2.Child safety
Points to remember: P.41
Child restraint system: P.42
When using a child restraint system:
P.43
Child restraint system installation
method
• Fixed with a seat belt: P.45
• Fixed with a child restraint LATCH anchor: P.49
• Using an anchor bracket (for top tether strap): P.51
The laws of all 50 states of the U.S.A.
as well as Canada now require the use
of child restraint systems.
 Prioritize and observe the warn-
ings, as well as the laws and regula-
Riding with children
Observe the following precautions
when children are in the vehicle.
Use a child restraint system appro-
priate for the child , until the child
becomes large enough to properly
wear the vehicle’s seat belt.
 It is recommended that children
sit in the rear seats to avoid acci-
dental contact with the shift lever,
wiper switch etc.
 Use the rear door child-protector
lock or the window lock switch to
avoid children opening the door
while driving or operating the
power window accidentally.
( P.94, 119)
 Do not let small children operate
equipment which may catch or
pinch body parts, such as the
power window, hood, trunk, seats
etc.
WARNING
■When children are in the vehicle
Never leave children unattended in the
vehicle, and never allow children to have
or use the key.
Children may be able to start the vehicle
or shift the vehicle into neutral. There is
also a danger that children may injure
themselves by playing with the windows,
the moon roof (if eq uipped) or other fea-
tures of the vehicle. In addition, heat
build-up or extremely cold temperatures
inside the vehicle can be fatal to children.
Child restraint systems
Before installing a child restraint
system in the vehicle, there are pre-
cautions that need to be observed,
different types of child restraint sys-
tems, as well as installation meth-
ods, etc., written in this manual.
Use a child restraint system when
riding with a small child that cannot
properly use a seat belt. For the
child’s safety, install the child restraint
system to a rear seat. Be sure to fol-
low the installation method that is in
the operation manual enclosed with
the restraint system.
Table of contents
Points to remember

621-4. Theft deterrent system
■Items to check before locking the
vehicle
To prevent unexpected triggering of
the alarm and vehicle theft, make sure
of the following:
 Nobody is in the vehicle.
 The windows and moon roof (if
equipped) are closed before the
alarm is set.
 No valuables or other personal
items are left in the vehicle.
■Setting
Close the doors, trunk and hood, and
lock all the doors. The system will be
set automatically after 30 seconds.
The indicator light changes from being on
to flashing when the system is set.
■Deactivating or stopping
Do one of the following to deactivate
or stop the alarm:
 Unlock the doors.
 Open the trunk.
 Turn the engine switch to ACCES-
SORY or IGNITION ON mode, or
start the engine. (The alarm will be
deactivated or stopped after a few
seconds.)
■System maintenance
The vehicle has a maintenance-free type
alarm system.
■Triggering of the alarm
The alarm may be triggered in the following
situations:
(Stopping the alarm deactivates the alarm
system.)
●A person inside the vehicle opens a door
or the trunk or hood, or unlocks the vehi-
cle.
●The battery is recharged or replaced
when the vehicle is locked. ( P.363)
Alarm
The alarm uses light and sound to
give an alert when an intrusion is
detected.
The alarm is triggered in the follow-
ing situations when the alarm is set:
 A locked door or trunk is
unlocked or opened in any way
other than using the entry func-
tion, wireless remote control or
mechanical key. (The doors will
lock again automatically.)
 The hood is opened.
Setting/deactivating/stopping
the alarm system

87
3
3
Before driving
Before driving
.3-1. Key informationKeys ................................................... 88
3-2. Opening, closing and locking the doors and trunk
Doors................................................. 92
Trunk.................................................. 96
Smart access system with push-button start ....................... 99
3-3. Adjusting the seats Front seats ..................................... 106
Rear seats ...................................... 107
Driving position memory ........ 108
Head restraints.............................. 111
3-4. Adjusting the steering wheel and mirrors
Steering wheel.............................. 113
Inside rear view mirror.............. 114
Outside rear view mirrors ....... 116
3-5. Opening, closing the windows and moon roof
Power windows............................ 118
Moon roof ..................................... 120

903-1. Key information
Locks the doors (P.92)
Unlocks the doors ( P.92)
Opens the windows and moon
roof
* (  P.92)
Opens the trunk ( P.97)
Sounds the alarm
*: This setting must be customized at your Lexus dealer.
■Theft deterrent panic mode
When is pressed for longer than
about one second, an alarm will sound intermittently and the vehicle lights will flash
to deter any person from trying to break
into or damage your vehicle.
To stop the alarm, press any button on the
electronic key.
To take out the mechanical key, push
the release button and take the key out.
The mechanical key can
only be inserted in
one direction, as the key only has grooves
on one side. If the key cannot be inserted in
a lock cylinder, turn it over and re-attempt
to insert it.
After using the mechanical key, store it in
the electronic key. Carry the mechanical
key together with the electronic key. If the
electronic key battery is depleted or the
entry function does not operate properly,
you will need the mechanical key.
(  P.359)
NOTICE
●When installing the ba ttery, make sure
to check the direction of the battery.
Installing the battery in the wrong
direction may cause the battery to
deplete rapidly.
●The surface of the card key may be
damaged, or its coating may peel off in
the following situations:
• The card key is carried together with hard objects, such as coins and keys.
• The card key is scraped with a sharp object, such as the tip of a mechanical
pencil.
• The surface of the card key is wiped with thinner or benzene.
Wireless remote control
A
B
C
D
E
Using the mechanical key

923-2. Opening, closing and locking the doors and trunk
3-2.Opening, closing and locking the doors and trunk
■Smart access system with
push-button start
Carry the electronic key to enable this
function.
1 Grip the driver’s door handle to
unlock the door. Grip the passen-
ger’s front door handle to unlock all
the doors.
*
Make sure to touch the sensor on the back
of the handle.
The doors cannot be unlocked for 3 sec-
onds after the doors are locked.
*: The door unlock settings can be
changed.
2 Touch the lock sensor (indentation
on the upper part of the front door
handle) to lock all the doors.
Check that the door is securely locked.
■Wireless remote control
1 Locks all the doors
Check that the door is securely locked.
2Unlocks all the doors
Pressing the button unlocks the driver’s
door. Pressing the button again within 5
seconds unlocks the other door.
Press and hold to open the windows and
moon roof.
*
*
: This setting must be customized at your Lexus dealer.
■Switching the door unlock function
It is possible to set which doors the entry
function unlocks using the wireless remote
control.
1 Turn the engine switch off.
2 When the indicator light on the key sur-
face is not on, press and hold ,
or for approximately 5
seconds while pre ssing and holding
.
The setting changes each time an operation
is performed, as shown below. (When
changing the setting continuously, release
the buttons, wait for at least 5 seconds, and
repeat step 2 .)
Doors
Unlocking and locking the doors
from the outside

1013-2. Opening, closing and locking the doors and trunk
3
Before driving
gas station, radio station, large display,
airport or other faci lity that generates
strong radio waves or electrical noise
●When carrying a portable radio, cellular
phone, cordless phone or other wireless
communication device
●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 ke ys (that emit radio
waves) are being used nearby
●When carrying the electronic key
together with the following devices that
emit radio waves
• Another vehicle’s 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
■Note for the entry function
●Even when the electronic key is within the
effective range (detection areas), the sys-
tem may not operate properly in the fol-
lowing cases:
• The electronic key is too close to the win- dow or outside door handle, near the
ground, or in a high place when the doors
are locked or unlocked.
• The electronic key is near the ground or
in a high place, or too close to the rear
bumper center when the trunk is opened.
• The electronic key is on the instrument panel, rear package tray or floor, or in the
door pockets or glove box when the
engine is started or engine switch modes
are changed.
●Do not leave the electronic key on top of
the instrument panel or near the door
pockets when exiting the vehicle.
Depending on the radio wave reception conditions, it may be detected by the
antenna outside the cabin and the doors
will become lockable from the outside,
possibly trapping the electronic key
inside the vehicle.
●As long as the electronic key is within the
effective range, the doors may be locked
or unlocked by anyone. However, only
the doors detecting the electronic key
can be used to unlock the vehicle.
●Even if the electronic
key is not inside the
vehicle, it may be po ssible to start the
engine if the electronic key is near the
window.
●The doors may unlock or lock if a large
amount of water splashes on the door
handle, such as in the rain or in a car
wash, when the electronic key is within
the effective range. (The doors will auto-
matically be locked after approximately
30 seconds if the doors are not opened
and closed.)
●If the wireless remote control is used to
lock the doors when the electronic key is
near the vehicle, there is a possibility that
the door may not be unlocked by the
entry function. (Use the wireless remote
control to unlock the doors.)
●Touching the door lock or unlock sensor
while wearing gloves may prevent lock or
unlock operation.
●When the lock operation is performed
using the lock sensor, recognition signals
will be shown up to two consecutive
times. After this, no recognition signals
will be given.
●If the door handle becomes wet while the
electronic key is within the effective
range, the door may lock and unlock
repeatedly. In this case, follow the follow-
ing correction procedures to wash the
vehicle:
• Place the electronic key in a location 6 ft. (2 m) or more away from the vehicle.
(Take care to ensure that the key is not
stolen.)
• Set the electronic key to battery-saving mode to disable the smart access system
with push-button start. ( P.100)
●If the electronic key is inside the vehicle
and a door handle becomes wet during a

1163-4. Adjusting the steering wheel and mirrors
1To select a mirror to adjust, press
the switch.
The indicator comes on.
Left
Right
Pressing the same switch again will put the
switch in neutral.
2To adjust the mirror, press the
switch.
Up
Right
Down
Left
■Mirror angle can be adjusted when
The engine switch is in ACCESSORY or
IGNITION ON mode.
■Defogging the mirrors
The outside rear view mirrors can be
cleared using the mirror defoggers. Turn on
the rear window defogger to turn on the
outside rear view mirror defoggers.
(  P.253)
■Automatic adjustment of the mirror
angle (if equipped)
A desired mirror face angle can be entered
to memory and recalled automatically by
the driving position memory. ( P.108)
■Auto anti-glare function (if equipped)
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 reflec ted light. (P.114)
■Linked mirror function when reversing
(if equipped)
When either “L” or “R” of the mirror select
switch is selected, the outside rear view mir-
rors will automatically angle downwards
when the vehicle is re versing in order to
give a better view of the ground.
Outside rear view mirrors
The rear view mirror’s position can
be adjusted to enable sufficient
confirmation of the rear view.
WARNING
■Important points while driving
Observe the following precautions while
driving.
Failure to do so may result in loss of con-
trol of the vehicle and cause an accident,
resulting 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 prop-
erly adjusted before driving.
Adjustment procedure
A
B
A
B
C
D