2022 LEXUS IS350 trunk

3517-2. Steps to take in an emergency
7
When trouble arises
Remove the cover inside the trunk and
pull the lever.
■When the electronic key does not work
properly
●Make sure that the smart access system
with push-button start has not been deac-
tivated in the customization setting. If it is
off, turn the function on.
●Check if battery-saving mo de is set. If it is
set, cancel the function. ( P.98)
■Doors
Use the mechanical key ( P.88) in
order to perform the following opera-
tions:
If the fuel filler door cannot
be opened
If the fuel filler door cannot be
opened by pressing the center of
the rear edge of the fuel filler door
with the doors unlocked, the follow-
ing procedure can be used to open
the fuel filler door.
Opening the fuel filler door
If the electronic key does not
operate properly
If communication between the
electronic key and vehicle is inter-
rupted ( P.98) or the electronic
key cannot be used because the
battery is depleted, the smart
access system with push-button
start and wireless remote control
cannot be used. In such cases, the
doors and trunk can be opened and
the engine can be started by follow-
ing the procedure below.
NOTICE
■In case of a smart access system with
push-button start malfunction or
other key-rela ted problems
Take your vehicle with all the electronic
keys provided with your vehicle to your
Lexus dealer.
Locking and unlocking the
doors, unlocking the trunk

3527-2. Steps to take in an emergency
1Locks all the doors
2 Unlocks the door
Turning the key rearward unlocks the
driver’s door. Turning the key once again
within 5 seconds unlocks the other doors.
■Trunk
Turn the mechanical key clockwise to
open. ( P.61)
■Key linked functions
1 Closes the windows and moon roof
(turn and hold)
*
2Opens the windows and moon roof
(turn and hold)
*
*
: This setting must be customized at your Lexus dealer.
1
Ensure that the shift lever is in P and
depress the brake pedal.
2 Touch the Lexus emblem side of the
electronic key to the engine switch.
When the electronic key is detected, a
buzzer sounds and the engine switch will
turn to IGNITION ON mode.
When the smart access system with
push-button start is deactivated in
customization setting, the engine switch
will turn to ACCESSORY mode.
3 Firmly depress the brake pedal and
check that is shown on the
multi-information display.
4 Press the engine switch.
In the event that the engine still cannot
WARNING
■When using the mechanical key and
operating the power windows or
moon roof
Operate the power window or moon
roof after checking to make sure that
there is no possibility of any passenger
having any of their body parts caught in
the window or moon roof.
Also, do not allow children to operate the
mechanical key. It is possible for children
and other passengers to get caught in
the power window or moon roof.
Starting the engine

3758-1. Specifications
8
Vehicle specifications
A: Wedge base bulbs (amber)
B: Wedge base bulbs (clear)
*: Light bulbs not listed in this table are LED bulbs.
Wheel size
Front wheels: 19  8 1/2J
Rear wheels: 19  9 1/2J
Spare wheels: 18  4T
Wheel bolt torque103 ft•lbf (140 N•m, 14.3 kgf•m)
Light bulbs*
Light bulbsBulb No.WType
ExteriorFront turn signal lights (bulb type)WY21W21A
Rear turn signal lights21A
Interior
Door courtesy lights1685B
Vanity lights8B
Footwell lights1943.8B
Trunk light5B

3908-2. Customization
*1: For details about each function: P.81
*2: The default setting varies according to country.
*3:Except F SPORT models
*4: Some status screens cannot be registered (i ndicated on the multi-information display)
*5: F SPORT models
*6: IS350 AWD/IS350/IS300 AWD
*7:IS300
*8:IS500
■Door lock (P.90, 94, 351)
Rev peak*5OnOff—O—
Rear seat reminder functionOnOff—O—
FunctionDefault settingCustomized setting
Unlocking using a mechani-
cal key
Driver’s door
unlocked in one step, all doors
unlocked in two steps
All doors unlocked in one step——O
Automatic door lock
Shifting the shift
lever to position other than P
Off
O—OVehicle speed is
approximately 12
mph (20 km/h) or
higher
Automatic door unlockShifting the shift lever to POff
O—ODriver’s door is opened
Locking/unlocking of the
trunk when all doors are
locked/unlocked
OnOff——O
Function*1Default settingCustomized settingABC
ABC

3928-2. Customization
■Driving position memory* ( P.104)
*:If equipped
■Power windows ( P.114)
■Moon roof* ( P.116)
Trunk unlocking operationPress and hold
(short)
One short press
——O
Push twice
Press and hold (long)
Off
Alarm (panic mode)OnOff——O
FunctionDefault settingCustomized setting
Driver’s seat movement when
exiting the vehicleStandardOffO—OPartial
Doors linked to the driving
position memory recall func-
tion
Driver’s doorAll doors——O
FunctionDefault settingCustomized setting
Mechanical key linked opera-
tionOffOn——O
Wireless remote control
linked operationOffOn (open only)——O
Wireless remote control
linked operation signal
(buzzer)
OnOff——O
FunctionDefault settingCustomized setting
Mechanical key linked opera-
tionOffOn——O
Linked operation of compo-
nents when mechanical key is
used (open only)
Slide onlyTilt only——O
FunctionDefault settingCustomized settingABC
ABC
ABC
ABC

412What to do if... (Troubleshooting)
1-1.What to do if... (Troubleshooting)What to do if... (Troubleshooting)
If you lose your mechanical keys,
new genuine mechanical keys can
be made by your Lexus dealer.
( P.350)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.350)
 Is the electronic key battery weak or
depleted? ( P.308)
 Is the engine switch in IGNITION
ON mode?
When locking the doors, turn the engine
switch off. ( P.132)
 Is the electronic key left inside the
vehicle?
When locking the door s, make sure that
you have the electronic key on your per-
son.
 The function may not operate prop-
erly due to the condition of the radio
wave. ( P.98)
 Is the child-protector lock set?
The rear door cannot be opened from
inside the vehicle when the lock is set.
Open the rear door fr om outside and then
unlock the child-protector lock. ( P.93)
The function to prevent the elec-
tronic key from being left inside the
trunk will operate and you can open
the trunk as usual. Take the key out
from the trunk. ( P.95)
 Did you press the engine switch
while firmly depressing the brake
pedal? ( P.130)
 Is the shift lever in P? ( P.130)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.97)
 Is the steering wheel unlocked?
( P.130)
 Is the electronic key battery weak or
If you have a problem, check the
following before contacting your
Lexus dealer.
The doors cannot be locked,
unlocked, opened or closed
You lose your keys
The electronic key does not
operate properly
The doors cannot be locked or
unlocked
The rear door cannot be opened
The trunk lid is closed with the
electronic key left inside
If you think something is wrong
The engine does not start

413What to do if... (Troubleshooting)
depleted?
In this case, the engine can be started in a
temporary way. (P.352)
 Is the battery discharged?
( P.353)
 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.135)
 It is locked automatically to prevent
theft of the vehicle. ( P.130)
 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.115)
 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.132) 
The seat belt reminder light is flash-
ing
Are the driver and the front passenger
wearing the seat belts? ( P.332)
The parking brake indicator is on
Is the parking brake released? ( P.139)
Depending on the situation, other
types of warning buzzer may also
sound. (P.329, 338)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
(P.61)
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-
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

416Alphabetical Index
BuzzerHands off steering wheel warning (LTA).......................................................................... 183
C
Card key ............................................................ 86
Care Exterior ........................................................... 270
Interior ............................................................. 274
Seat belts........................................................ 274
Wheels and wheel ornaments.. 270, 271
Cargo capacity...............................................128
Cargo net ....................................................... 258
Center Display ............................................. 240
Chains .............................................................. 235
Child restraint system Fixed with a LATCH system .................. 49
Fixed with a seat belt................................... 45
Front passenger occupa nt classification
system ............................................................. 36
Points to remember ...................................... 41
Riding with children ....................................... 41
Types of child restraint system installation method ............................................................42
Using an anchor bracket ............................ 51
Child safety Airbag precautions...................................... 33
Battery precautions ..................................356
Child restraint system..................................42
Heated steering wheel and seat heater precautions..................................................251
How your child should wear the seat belt ............................................................................ 25
Moon roof precautions ............................. 118
Power window lock switch...................... 115
Power window precautions .................... 115
Rear door child-protectors ..................... 93
Removed electronic key battery precau- tions ...............................................................309
Seat belt extender precautions ............. 25
Seat belt precautions .................................... 41
Trunk precautions ........................................ 94 Child-protectors............................................. 93
Cleaning
Exterior............................................................ 270
Interior ............................................................. 274
Radar sensor ................................................. 160
Seat belts ........................................................ 274
Wheels and wheel ornaments .. 270, 271
Clock ............................................... 69, 70, 260
Coat hooks..................................................... 260
Condenser ..................................................... 293
Console box .................................................. 257
Consumption screen .................................... 82
Cooling system............................................. 292 Engine overheating...................................357
Cruise control Dynamic radar cruise control with full-speed range ....................................... 187
Cup holders ................................................... 257
Current fuel consumption .......................... 78
Curtain shield airbags .................................. 28
Customizable features ..............................388
D
Daytime running light system ...................145
Defogger Outside rear view mirrors.....................245
Rear window ................................................245
Windshield ....................................................245
Differential Front differential oil......................................371
Rear differential oil.......................................371
Dimensions .................................................... 364
Dinghy towing.................................................129
Display Center Display ............................................240
Dynamic radar cruise control with full-speed range ....................................... 187
Intuitive parking assist ..............................203
LTA (Lane Tracing Assist) ..................... 180
Multi-information display .......................... 75
RCTA................................................................ 210
Warning message .................................... 338