light Lexus IS350 2021 / LEXUS 2021 IS 300, IS 350 (OM53E98U) Owner's Guide

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.

441-2. Child safety
remove the head restraint. Other-
wise, put the head restraint in the
upper most position.
WARNING
■When using a child restraint system
Observe the following precautions.
Failure to do so may result in death or
serious injury.
●Never install a re ar-facing child
restraint system on the front passenger
seat even if the “AIR BAG OFF” indi-
cator light is illuminated. In the event of
an accident, the force of the rapid infla-
tion of the front passenger airbag can
cause death or serious injury to the
child if the rear-facing child restraint
system is installed on the front passen-
ger seat.
●A forward-facing child restraint system
may be installed on the front passen-
ger seat only when it is unavoidable. A
child restraint system that requires a
top tether strap should not be used in
the front passenger seat since there is
no top tether strap anchor for the front
passenger seat.
●A forward-facing child restraint system
may be installed on the front passen-
ger seat only when it is unavoidable.
When installing a forward-facing child
restraint system on the front passenger
seat, adjust the seatback angle to the
most upright position, move the seat
fully rearward, and move the seat
height to the upper most position, even
if the “AIR BAG OFF” indicator light is
illuminated.
If the head restraint interferes with your
child restraint system, and the head
restraint can be re moved, remove the
head restraint. Othe rwise, put the head
restraint in the up per most position.
●Do not allow the child to lean his/her
head or any part of his/her body
against the door or th e area of the seat,
front or rear pillars, or roof side rails
from which the SRS side airbags or
SRS curtain shield airbags deploy even
if the child is seated in the child
restraint system. It is dangerous if the
SRS side and curtain shield airbags
inflate, and the impact could cause
death or serious injury to the child.

541-3. Lexus Enform
1-3.Lexus Enform
*:If equipped
“SOS” button
LED light indicators
Microphone
Lexus Enform Safety Con-
nect*
Safety Connect is a subscrip-
tion-based telematics service that
uses Global Positioning System
(GPS) data and embedded cellular
technology to provide safety and
security features to subscribers.
Safety Connect is supported by
Lexus’ designated response center,
which operates 24 hours per day, 7
days per week.
Safety Connect service is available
by subscription on select, telemat-
ics hardware-equipped vehicles.
By using the Safety Connect ser-
vice, you are agreeing to be bound
by the Telematics Subscription Ser-
vice Agreement and its Terms and
Conditions, as in effect and
amended from time to time, a cur-
rent copy of which is available at
Lexus.com. All use of the Safety
Connect service is subject to such
then-applicable Terms and Condi-
tions.
System components
A
B
C

571-3. Lexus Enform
1
For safety and security
●Safety Connect is available beginning Fall
2009 on select Lexus models (in the
contiguous United States only). Contact
with the Safety Connect response center
is dependent upon the telematics device
being in operative condition, cellular con-
nection availability, and GPS satellite sig-
nal reception, which ca n limit the ability to
reach the response center or receive
emergency service support. Enrollment
and Telematics Subscription Service
Agreement required. A variety of sub-
scription terms is available; charges vary
by subscription term selected and loca-
tion.
●Automatic Collision Notification, Emer-
gency Assistance and Stolen Vehicle
Location will function in the United
States, including Hawaii and Alaska,
Puerto Rico and in Canada, and
Enhanced Roadside Assistance will func-
tion in the United States, Puerto Rico and
in Canada.
●Automatic Collision Notification, Emer-
gency Assistance, Stolen Vehicle and
Enhanced Road Assist ance will not func-
tion in the United States Virgin Islands.
For vehicles first sold in the USVI, no
Safety Connect services will function in
and outside the United States Virgin
Islands.
●Safety Connect services are not subject
to section 255 of the Telecommunica-
tions Act and the device is not TTY com-
patible.
■Languages
The Safety Connect response center will
offer support in multiple languages. The
Safety Connect system will offer voice
prompts in English, Spanish, and French.
Please indicate your language of choice
when enrolling.
■When contacting the response center
You may be unable to contact the response
center if the network is busy.
When the engine switch is turned to
IGNITION ON mode, the red indica-
tor light comes on for 2 seconds then
turns off. Afterward, the green indica-
tor light comes on, indicating that the
service is active.
The following indicator light patterns
indicate specific system usage condi-
tions:
 Green indicator light on = Active
service
 Green indicator light flashing =
Safety Connect call in process
 Red indicator light (except at vehi-
cle start-up) = System malfunction
(contact your Lexus dealer)
 No indicator light (off) = Safety
Connect service not active
■Automatic Collision Notification
In case of either airbag deployment or
severe rear-end collision, the system is
designed to automatically call the
response center. The responding agent
receives the vehicle’s location and
attempts to speak with the vehicle
occupants to assess the level of emer-
gency. If the occupants are unable to
communicate, the agent automatically
treats the call as an emergency, con-
tacts the nearest emergency services
provider to describe the situation, and
requests that assistance be sent to the
Safety Connect LED light Indi-
cators
Safety Connect services

601-4. Theft deterrent system
1-4.Theft deterrent system
The indicator light flashes after the
engine switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing after
the engine switch has been turned to
ACCESSORY or IGNITION ON
mode to indicate that the system has
been canceled.
■System maintenance
The vehicle has a maintenance-free type
engine immobilizer system.
■Conditions that may cause the system to
malfunction
●If the grip portion of the key is in contact
with a metallic object
●If the key is in close proximity to or touch-
ing a key registered to the security sys-
tem (key with a built-in transponder chip)
of another vehicle
Engine immobilizer system
The vehicle’s keys have built-in tran-
sponder chips that prevent the
engine from starting if a key has not
been previously registered in the
vehicle’s on-board computer.
Never leave the keys inside the
vehicle when you leave the vehicle.
This system is designed to help pre-
vent vehicle theft but does not
guarantee absolute security
against all vehicle thefts.
Operating the system

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

65
2
2
Vehicle status information and indicators
Vehicle status informationand indicators
.2-1. Instrument cluster
Warning lights and indicators........................................................... 66
Gauges and meters ...................... 71
Multi-information display.......... 76
Fuel consumption information ........................................................... 83

662-1. Instrument cluster
2-1.Instrument cluster
For the purpose of explanation, the following illustrations display all warning lights
and indicators illuminated.
Except F SPORT models
F SPORT models
The location of warning lights and indicators may differ depending on the selected main
meter location.
Warning lights and indicators
The warning lights and indicators on th e instrument cluster, center panel and
outside rear view mirrors inform the driver of the status of the vehicle’s various
systems.
Warning lights and indicators displayed on the instrument cluster

672-1. Instrument cluster
2
Vehicle status information and indicators
Warning lights inform the driver of mal-
functions in the indicated vehicle’s sys-
tems.
*1: These lights come on when the engine
Warning lights
(U.S.A.)
Brake system warning light*1
(  P.337)
(red)
(Canada)
Brake system warning light*1
(  P.337)
(yellow)
Brake system warning light*1
(  P.337)
High coolant temperature
warning light
*2 (  P.337)
Charging system warning
light
*2 (  P.338)
Low engine oil pressure warn-
ing light
*2 (  P.338)
(U.S.A.)
Malfunction indicator lamp*1
(  P.338)
(Canada)
Malfunction indicator lamp*1
(  P.338)
SRS warning light
*1 (  P.338)
(U.S.A.)
ABS warning light*1 ( P.339)
(Canada)
ABS warning light*1 ( P.339)
Brake Override System warn-
ing light/Drive-Start Control
warning light
*2 (  P.339)
(red)
Electric power steering system
warning light
*1 ( P.340)
(yellow)
Electric power st eering system
warning light
*1 (  P.340)
Low fuel level warning light
(  P.340)
Driver’s and front passenger’s
seat belt re minder light
(  P.340)
Rear passengers’ seat
belt reminder lights
*3
(  P.340)
Tire pressure warning light
*1
(  P.341)
(orange)
LTA indicator ( P.341)
(flashes)
Intuitive parking assist OFF
indicator (if equipped)
( P.341)
(flashes)
RCTA OFF indicator*1 (if
equipped) ( P.342)
(flashes)
PKSB OFF indicator*1 (if
equipped) ( P.342)
(flashes or
illuminates)PCS warning light*1 (  P.342)
Slip indicator
*1 (  P.343)
(flashes)
(U.S.A.)
Parking brake indicator
(  P.343)
(flashes)
(Canada)
Parking brake indicator
(  P.343)
(flashes)
Brake hold operated indicator*1
(  P.343)

682-1. Instrument cluster
switch is turned to IGNITION ON
mode to indicate that a system check is
being performed. They will turn off after
the engine is started, or after a few sec-
onds. There may be a malfunction in a
system if the lights do not come on, or
turn off. Have the vehicle inspected by
your Lexus dealer.
*2: This light illuminates on the multi-infor-mation display.
*3: This light illuminates on the center panel.
The indicators inform the driver of the
operating state of the vehicle’s various
systems.
WARNING
■If a safety system warning light does
not come on
Should a safety system light such as the
ABS and SRS warning light not come on
when you start the engine, this could
mean that these systems are not available
to help protect you in an accident, which
could result in death or serious injury.
Have the vehicle inspected by your
Lexus dealer immediately if this occurs.
Indicators
Turn signal indicator ( P.142)
(U.S.A.)
Headlight indicator ( P.149)
(Canada)
Tail light indicator ( P.149)
Headlight high beam indicator
(  P.150)
Automatic High Beam indicator
(  P.151)
PCS warning light*1, 2 ( P.173)
Cruise control indicator
(  P.199)
Dynamic radar cruise control
indicator ( P.192)
Cruise control “SET” indicator
(  P.192)
(white)
LTA indicator ( P.185)
(green)
LTA indicator ( P.170, 185)
(orange)
(flashes)LTA indicator ( P.185)
BSM outside rear view mirror
indicators
*3, 4 (if equipped)
(  P.202, 216)
BSM OFF indicator
*1, 2 (if
equipped) ( P.202)
Intuitive parking assist OFF
indicator
*2(if equipped)
(  P.211)
RCTA OFF indicator
*1, 2 (if
equipped) ( P.216)
PKSB OFF indicator
*1, 2 (if
equipped) ( P.221)
(flashes)
Slip indicator*1 ( P.239)
VSC OFF indicator
*1, 2
(  P.239)
Smart access system with
push-button start indicator
*5
(  P.134)
(U.S.A.)
Parking brake indicator
( P.143)