2021 Lexus IS350 light

3978-2. Customization
8
Vehicle specifications
■Smart access system with push-button start (P.92, 99)
■Wireless remote control ( P.90, 92, 96)
Open door warning buzzerOnOff——O
Welcome light illumination
controlOnOff——O
FunctionDefault settingCustomized setting
Smart access system with
push-button startOnOff——O
Smart door unlockingDriver’s doorAll the doorsO—O
Number of consecutive door
lock operations2 timesAs many as desired——O
FunctionDefault settingCustomized setting
Wireless remote controlOnOff——O
Unlocking operation
Driver’s door
unlocked in one step, all doors
unlocked in two steps
All doors unlocked in one stepO—O
Trunk unlocking operationPress and hold (short)
One short press
——O
Push twice
Press and hold (long)
Off
Alarm (panic mode)OnOff——O
FunctionDefault settingCustomized settingABC
ABC
ABC

3998-2. Customization
8
Vehicle specifications
■Turn signal lever (P.142)
*1: After flashing the turn signal lights when turnin g left or right while this function is off and
the turn signal lever is moved to the first positi on in the direction of the flashing light, the
turn signal lights can be sele cted to be flashing or off.
*2: The turn signal lights keep flashing if the turn signal lever is moved to the first position in
the direction of flashing light.
*3: The turn signal lights will be off if the turn si gnal lever is moved to the first position in the
direction of flashing light.
■Automatic light control system ( P.149)
■Lights ( P.149)
*: U.S.A. only
■PCS (Pre-Collision System) ( P.170)
FunctionDefault settingCustomized setting
The number of times the turn
signal lights flash automati-
cally when the turn signal
lever is moved to the first
position during a lane
change
*1
3
5
——O
7
Off*2
Off*3
FunctionDefault settingCustomized setting
Light sensor sensitivityStandard-2 to 2O—O
Time elapsed before head-
lights automatically turn off
after doors are closed
30 seconds
Off
O—O60 seconds
90 seconds
FunctionDefault settingCustomized setting
Daytime running lights*OnOffO—O
FunctionDefault settingCustomized setting
PCS (Pre-Collision System)OnOff—O—
Adjust alert timingMiddleEarly—O—Late
ABC
ABC
ABC
ABC

4028-2. Customization
■Driving mode select switch (P.236)
*:If equipped
■Automatic air conditioning system ( P.253)
■Seat heaters* ( P.261)
*:If equipped
■Illumination ( P.263)
FunctionDefault settingCustomized setting
Powertrain control in custom-
ized mode
*NormalPowerO——Eco
Chassis control in custom-
ized mode
*NormalSportO——
Air conditioning operation in
customized mode
*NormalEcoO——
FunctionDefault settingCustomized setting
A/C Auto switch operationOnOffO—O
FunctionDefault settingCustomized setting
Seat heater timer controlOffOnO—O
FunctionDefault settingCustomized setting
Time elapsed before the inte-
rior lights turn off15 seconds
Off
O—O7.5 seconds
30 seconds
Operation after the engine
switch is turned offOnOff——O
Operation when the doors
are unlockedOnOff——O
Operation when you
approach the vehicle with the
electronic key on your person
OnOff——O
Inside door handle lightsOnOff——O
ABC
ABC
ABC
ABC

405
9
9
For owners
For owners
.9-1. For ownersReporting safety defects for U.S. owners ........................................ 406
Seat belt instructions for Cana- dian owners (in French)....... 406
SRS airbag instructions for Cana- dian owners (in French)....... 408
Headlight aim instructions for Canadian owners (in French)
......................................................... 414

4149-1. For owners
Boulon de réglage A
Boulon de réglage B
 Vérifiez que le réservoir de carbu-
rant du véhicule est plein et que la
zone autour des phares n'est pas
déformée.
 Stationnez le véhicule sur une sur-
face plane.
 Assurez-vous que la pression de
gonflage des pneus est au niveau
recommandé.
 Faites asseoir quelqu'un dans le
siège conducteur.
AVERTISSEMENT
■Modification et mise au rebut des
composants du système de coussins
gonflables SRS
Ne mettez pas votre véhicule au rebut et
ne procédez à aucune des modifications
suivantes sans consulter votre conces-
sionnaire Lexus. Les coussins gonflables
SRS peuvent ne pas fonctionner cor-
rectement ou se déployer (se gonfler)
accidentellement, prov oquant la mort ou
de graves blessures.
●Installation, dépo se, démontage et
réparation des coussins gonflables
SRS
●Réparations, modifications, dépose ou
remplacement du vo lant, du tableau
de bord, de la planche de bord, des
sièges ou de leur garnissage, des mon-
tants avant, latéraux et arrière ou des
rails latéraux de toit
●Réparations ou modi fications des ailes
avant, du pare-chocs avant ou des
flancs de l'habitacle
●Installation d'un protège-calandre
(pare-buffle, pare-kangourou, etc.), de
chasse-neige, de treuils ou d'un
porte-bagages de toit
●Modifications du système de suspen-
sion du véhicule
●Installation d'appa reils électroniques
tels que les émetteurs/récepteurs
radios mobiles et les lecteurs CD
●Modifications de votre véhicule pour
une personne atteinte d'un handicap
physique
Headlight aim instructions
for Canadian owners (in
French)
The following is a French explana-
tion of headlight aim instructions
from the headlight aim section in
this manual.
Boulons de réglage du mouve-
ment vertical
Avant de vérifier le réglage des
phares
A
B

419What to do if... (Troubleshooting)
depleted?
In this case, the engine can be started in a
temporary way. (P.360)
Is the battery discharged? ( P.361)
 Is the engine switch in IGNITION
ON mode?
If you cannot release the shift lever by
depressing the brake pedal with the engine
switch in IGNITION ON mode. ( P.139)
 It is locked automatically to prevent
theft of the vehicle. ( P.134)
 Is the window lock switch pressed?
The power window except for the one at
the driver’s seat cannot be operated if the
window lock switch is pressed. ( P.119)
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY or IGNITION ON
mode (the engine is not running) for
a period of time. ( P.136) 
The seat belt reminder light is flash-
ing
Are the driver and the front passenger
wearing the seat belts? ( P.340)
 The parking brake indicator is on
Is the parking brake released? ( P.143)
Depending on the situation, other
types of warning buzzer may also
sound. ( P.337, 346)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
( P.62)
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.)
 Is the electronic key left inside the
vehicle or the moon roof opened?
Check the message on the multi-informa-
tion display. ( P.346)
The shift lever cannot be shifted
from P even if you depress the
brake pedal
The steering wheel cannot be
turned after the engine is
stopped
The windows do not open or
close by operating the power
window switches
The engine switch is turned off
automatically
A warning buzzer sounds during
driving
An alarm is activated and the
horn sounds
A warning buzzer sounds when
leaving the vehicle

420What to do if... (Troubleshooting)
When a warning light turns on or a
warning message is displayed, refer
to P.337, 346.
 Stop the vehicle in a safe place and
replace the flat tire with the spare
tire. ( P.349)
 Try the procedure for when the vehi-
cle becomes stuck in mud, dirt, or
snow. ( P.368)
A warning light turns on or a
warning message is displayed
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

421Alphabetical Index
Alphabetical Index
A
A/CAir conditioning filter .................................315
Automatic air conditioning system ... 253
Micro dust and pollen filter...................258
ABS (Anti-lock Brake System).............. 238 Warning light ............................................... 339
ACA (Active Cornering Assist) ........... 238
Active Cornering Assist (ACA) ........... 238
Active Sound Control (ASC) .................. 147
Adaptive Variable Suspension system238
AHB (Automatic High Beam) .................. 151
Air conditioning filter ...................................315
Air conditioning system Air conditioning filter .................................315
Automatic air conditioning system ... 253
Micro dust and pollen filter...................258
Airbags Airbag operating conditions................... 30
Airbag precautions for your child ........ 33
Correct driving posture .............................23
Curtain shield airbag operating condi- tions .................................................................. 30
Curtain shield airbag precautions ....... 33
Front passenger occupant classification system ............................................................. 36
General airbag precautions ................... 33
Locations of airbags.................................... 28
Modification and disposal of airbags . 35
Side airbag operating conditions ......... 30
Side airbag precautions ............................ 33
Side and curtain shield airbags operating conditions...................................................... 30
Side and curtain shield airbags precau- tions .................................................................. 33
SRS airbags ..................................................... 28
SRS warning light ......................................338
Alarm ................................................................... 62 Warning buzzer ......................................... 337
Anchor brackets .......................................42, 51 Antennas (smart acc
ess system with
push-button start)........................................ 99
Anti-lock Brake System (ABS).............. 238 Warning light ...............................................339
Approach warning........................................ 197
Armrest............................................................ 270
ASC (Active Sound Control) .................. 147
Assist grips ..................................................... 270
Audio system-linked display ........................81
Automatic air conditioning system ...... 253
Automatic headlight leveling system ... 150
Automatic High Beam ................................. 151
Automatic light control system................149
Automatic transmission ............................. 138 M mode ............................................................. 141
Paddle shift switches .........................140, 141
Snow mode.................................................... 140
Average fuel economy..................................79
Average vehicle speed .................................79
B
Back-up lights Replacing light bulbs ................................ 322
Battery If the battery is discharged ..................... 361
Preparing and checking before winter.......................................................................... 243
Warning light .............................................. 338
Blind Spot Monitor (BSM)....................... 202
Boost gauge...................................................... 80
Brake Brake hold ...................................................... 146
Fluid......................................................300, 378
Parking brake ................................................143
Warning light ............................................... 337
Brake assist .................................................... 238
Break-in tips.....................................................125
Brightness control Instrument panel light control................. 75
BSM (Blind Spot Monitor)....................... 202