engine LEXUS IS300 2022 Owners Manual

3968-2. Customization
■PKSB (Parking Support Brake)* ( P.216)
*:If equipped
■Driving mode select switch ( P.227)
*:If equipped
■Automatic air conditioning system ( P.243)
■Seat heaters* ( P.251)
*:If equipped
■Illumination ( P.253)
FunctionDefault settingCustomized setting
PKSB (Parking Support
Brake) functionOnOff—O—
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
ABC
ABC
ABC
ABC
ABC

3978-2. Customization
8
Vehicle specifications
■Seat belt reminder (P.332)
■Vehicle customization
●When the smart access system with
push-button start is off, the entry unlock
function cannot be customized.
●When the doors rema in closed after
unlocking the doors and the timer acti-
vated automatic door lock function acti-
vates, signals will be generated in
accordance with the operation buzzer
volume and operational signal (Emer-
gency flashers) function settings.
●Some settings can be changed using a
switch or the audio system screen. If a
setting is changed using a switch, the
changed setting will not be reflected on
the audio system screen until the engine
switch is turned of f and then to IGNI-
TION ON mode.
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
FunctionDefault settingCustomized setting
Vehicle speed linked seat belt
reminder buzzerOnOff——O
FunctionDefault settingCustomized settingABC
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

417Alphabetical Index
Distance until next engine oil change .....74
Do-it-yourself maintenance .................... 279
Door courtesy lights ................................... 253Wattage.......................................................... 375
Door lock Doors .................................................................. 90
Smart access system with push-button start ................................................................... 97
Wireless remote control...........................88
Doors Automatic door lock ing and unlocking
system ............................................................. 93
Door glasses ....................................................114
Door lock.......................................................... 90
Open door warning buzzer ............ 91, 93
Outside rear view mirrors ........................112
Rear door child-protectors ..................... 93
Drive distance .................................................. 78
Drive info 1/Drive info 2/Drive info 3.... 78
Driver’s seat position memory Driving position memory........................ 104
Memory recall function ........................... 105
Power easy access system .................... 104
Drive-Start Control (DSC) Sudden start restraint control................125
Driving Break-in tips .....................................................121
Correct driving posture .............................23
Driving mode select switch ...................227
Procedures .....................................................120
Winter drive tips......................................... 234
Driving information display ......................... 77
Driving position memory........................... 104 Memory recall function ........................... 105
Power easy access system .................... 104
Driving range ................................................... 78
Driving support system information display ............................................................................. 80
DSC (Drive-Start Control) Sudden start restraint control................125 Dynamic radar cruise control with
full-speed range ..........................................187 Warning message ...................................... 195
E
Eco Driving Indicator.....................................79
Eco Driving Indicator Light .........................79
EDR (Event data recorder) ............................7
Elapsed time ..................................................... 78
Electric Power Steering (EPS) .............. 229 Warning light ............................................... 332
Electronic key .................................................. 86 Battery-saving function..............................98
If the electronic key does not operate properly ........................................................ 351
Replacing the battery .............................. 308
Emergency flashers .................................... 320
Emergency, in case of If a warning buzzer sounds...................329
If a warning light turns on.......................329
If a warning message is displayed.... 338
If the battery is discharged ....................353
If the electronic key does not operate properly ........................................................ 351
If the engine will not start........................349
If the fuel filler do or cannot be opened
........................................................................... 351
If the vehicle is submerged or water on the road is rising ........................................321
If you have a flat tire ....................................341
If you lose your keys ................................ 350
If you think something is wrong.......... 327
If your vehicle becomes stuck .............. 361
If your vehicle has to be stopped in an emergency .................................................320
If your vehicle needs to be towed ..... 323
If your vehicle overheats ........................357
Engine ACCESSORY mode................................132
Compartment..............................................287
Engine switch ................................................ 130
Fuel pump shut off system.....................328

418Alphabetical Index
Hood................................................................285
How to start the engine ........................... 130
Identification number ...............................365
If the engine will not start ....................... 349
If your vehicle has to be stopped in an
emergency ................................................ 320
Ignition switch (engine switch) ............ 130
Overheating................................................. 357
Tachometer ............................................ 69, 70
Engine coolant Capacity .........................................................369
Checking ....................................................... 292
Preparing and checking before winter......................................................................... 234
Engine coolant temperature gauge 69, 70
Engine immobilizer system ........................ 60
Engine oil Capacity ......................................................... 367
Checking .......................................................289
Preparing and checking before winter......................................................................... 234
Warning light ...............................................330
Engine oil maintenance data ....................291
Engine oil pressure gauge ...........................79
Engine oil temperature gauge ...................79
Engine switch ................................................. 130 Auto power off function ........................... 132
Changing the engine switch modes.. 132
If your vehicle has to be stopped in an
emergency ................................................ 320
Enhanced Vehicle Stability Control (Enhanced VSC) ...................................... 229
Enhanced VSC (Enhanced Vehicle Stabil- ity Control) .................................................. 229
EPS (Electric Power Steering) .............. 229 Warning light ............................................... 332
Event data recorder (EDR) ............................7
F
First-aid kit storage belt ............................ 258
Flat tire Tire pressure warning system ............. 299 Vehicles with a spare tire.........................341
Floor mats ...........................................................22
Fluid Automatic transmission ..........................370
Brake ..................................................................371
Washer ...........................................................296
Footwell lights ............................................... 253 Wattage ..........................................................375
Front passenger occupant classification system .............................................................. 36
Front seats Adjustment ..................................................... 102
Cleaning ......................................................... 274
Correct driving posture ............................ 23
Driving position memory ........................ 104
Head restraints............................................. 107
Memory recall function............................ 105
Power easy access system .................... 104
Seat heaters ................................................... 251
Seat position memory .............................. 104
Seat ventilators ............................................. 251
Front side marker light Light switch .................................................... 145
Replacing light bulbs ..................................314
Front turn signal lights Replacing light bulbs....................... 314, 315
Turn signal lever .......................................... 138
Wattage ..........................................................375
Fuel Capacity ......................................................... 367
Fuel gauge............................................... 69, 70
Fuel pump shut off system.....................328
Information .................................................... 376
Refueling...........................................................157
Type .................................................................. 367
Warning light ............................................... 332
Fuel consumption Average fuel economy .............................. 78
Current fuel consumption ........................ 78
Fuel filler door If the fuel filler do or cannot be opened
........................................................................... 351

419Alphabetical Index
Refueling .......................................................... 157
Fuel gauge ................................................. 69, 70
Fuel pump shut off system........................ 328
Fuses .................................................................. 310
G
Garage door opener ................................. 263
Gauges ............................................................... 69
Gear Position................................................... 80
G-force................................................................79
Glove box ....................................................... 256
Glove box light ............................................. 257
H
Head restraints ...............................................107
Headlight aim ..................................................312
Headlights Automatic High Beam system.............. 147
Light switch .....................................................145
Replacing light bulbs..................................314
Heated steering wheel ................................251
Heaters Automatic air conditioning system ... 243
Heated steering wheel..............................251
Outside rear view mirrors .................... 245
Seat heaters .................................................... 251
High mounted stoplight Replacing light bulbs..................................314
Hill-start assist control ............................... 229
Hood Open ...............................................................285
Hooks Coat hooks ...................................................260
Retaining hooks (floor mat)......................22
Horn ..................................................................... 110
I
I/M test ............................................................ 282
Identification Engine .............................................................365 Vehicle ............................................................364
Ignition switch (engine switch)................ 130 Auto power off function............................132
Changing the engine switch modes ..132
If your vehicle has to be stopped in an emergency .................................................320
Indicators ........................................................... 66
Initialization Items to initialize ........................................ 398
Maintenance.......................................278, 291
Power windows ............................................. 114
Tire pressure warning system ............ 300
Inside door handle lights........................... 253
Inside rear view mirror ................................. 110
Instrument panel light control ................... 75
Intercooler...................................................... 293
Intercooler coolant Capacity ........................................................ 369
Checking ....................................................... 292
Interior lights.................................................. 253 Front interior light ......................................253
Rear interior light........................................253
Intuitive parking assist...................... 201, 203 Function ..........................................................203
Warning message .................................... 205
J
JackPositioning a floor jack ........................... 285
Vehicle-equipped jack ........................... 342
Jack handle .................................................... 342
Jam protection function Moon roof ........................................................ 117
Power windows ............................................. 114
K
Keyless entrySmart access system with push-button start ................................................................... 97
Wireless remote control .......................... 88

420Alphabetical Index
KeysBattery-saving function ............................. 98
Electronic key ................................................. 86
Engine switch................................................ 130
If the electronic key does not operate properly.........................................................351
If you lose your keys................................ 350
Key number plate ......................................... 86
Keyless entry .......................................... 90, 97
Mechanical key.............................................. 86
Replacing the battery.............................. 308
Warning buzzer ............................................ 97
Wireless remote control...........................88
Knee airbags .................................................... 28
L
Lane Tracing Assist (LTA) Operation........................................................ 175
Warning messages ................................... 184
Language (multi-informa tion display) .....81
LATCH anchors ............................................. 49
Lever Auxiliary catch lever .................................285
Hood lock release lever.........................285
Internal trunk release lever ...................... 96
Shift lever.......................................................... 134
Turn signal lever .......................................... 138
Wiper lever.................................................... 150
Lexus Enform Safety Connect.................. 54
Lexus Safety System + 2.5 AHB (Automatic High Beam).............. 147
Dynamic radar cruise control with full-speed range ........................................187
LTA (Lane Tracing Assist)...................... 175
PCS (Pre-Collision System)................. 165
RSA (Road Sign Assist) .......................... 184
License plate lights Light switch .....................................................145
Replacing light bulbs..................................314
Light bulbs Replacing .........................................................313 Lights
Automatic High Beam system ..............147
Front interior lights ....................................253
Front personal lights.................................254
Headlight switch.......................................... 145
Interior lights .................................................253
Interior lights list ..........................................253
Rear interior lights .....................................253
Rear personal lights ..................................254
Replacing light bulbs ..................................314
Trunk lid light...................................................95
Trunk light .........................................................95
Turn signal lever .......................................... 138
Vanity lights ....................................................261
Wattage ..........................................................375
Lock steering column ................................. 130
LTA (Lane Tracing Assist) Operation ........................................................175
Warning messages.................................... 184
Luggage mats ............................................... 258
M
Maintenance Do-it-yourself maintenance .................283
General maintenance ............................. 279
Maintenance data ......................................364
Maintenance requirements .................. 278
Malfunction indicator lamp ..................... 330
Menu icons.........................................................76
Meter Changing the main meter location...... 73
Clock.......................................................... 69, 70
Indicators........................................................... 66
Instrument panel light control................. 75
Meter control switches .............................. 76
Meters................................................................. 69
Multi-information display .......................... 75
Settings................................................................ 81
Warning lights .............................................329
Warning message .................................... 338
Micro dust and pollen filter ..................... 248

421Alphabetical Index
MirrorsInside rear view mirror............................... 110
Outside rear view mirror defoggers245
Outside rear view mirrors ........................112
Vanity mirrors................................................261
Moon roof Door lock linked moon roof operation.............................................................................117
Jam protection function..............................117
Operation......................................................... 116
Multi-information display .............................75 Audio system-linked display...................80
Boost gauge.................................................... 79
Drive information 1/Drive information 2/Drive information 3............................. 78
Driving information display....................... 77
Driving support syst em information dis-
play ...................................................................80
Dynamic radar cruise control with full-speed range ........................................187
Eco Driving Indicator ................................. 79
Engine oil pressure gauge ....................... 79
Engine oil temperature gauge ............... 79
Gear Position .................................................80
G-force.............................................................. 79
LTA (Lane Tracing Assist)..................... 180
Menu icons ...................................................... 76
Meter control switches .............................. 76
Navigation system-linked display ........80
Pop-up display............................................... 75
Settings ................................................................81
Speedometer.................................................. 79
Tire pressure ................................................ 299
Warning message.....................................338
N
Navigation system-linked display............ 80
Noise from under vehicle .............................. 5
O
“ODO TRIP” switch .......................................74 Odometer ..........................................................74
Odometer and trip meter display
Display items ................................................... 74
“ODO TRIP” switch .................................... 74
Pop-up display ............................................... 75
Oil Engine oil........................................................ 367
Front differential oil......................................371
Rear differential oil.......................................371
Opener Fuel filler door ................................................157
Hood ............................................................... 285
Trunk ...................................................................95
Outside rear view mirrors Adjustment ....................................................... 112
BSM (Blind Sport Monitor)....................197
Folding................................................................ 113
Linked mirror function when reversing............................................................................. 112
Mirror position memory .......................... 104
Outside rear view mirror defoggers245
RCTA function ............................................. 210
Outside temperature............................ 69, 70
Overheating .................................................. 357
P
Paddle shift switches .......................... 136, 137
Panic mode ....................................................... 88
Parking assist sensors (intuitive parking assist) ............................................................. 203
Parking brake Operation ....................................................... 139
Parking brake engaged warning buzzer............................................................................. 141
Warning light ...............................................335
Warning message ........................................ 141
Parking lights Light switch .................................................... 145
Replacing light bulbs ..................................314
Parking Support Brake function (for rear-crossing vehicles) .......................... 225 Function .......................................................... 225