heating LEXUS ES350 2022 User Guide

2494-5. Using the driving support systems
4
Driving
■If a message about AWD is shown on the multi-information display
Perform the following actions.
MessageDetails/Actions
“AWD System Overheated
Switching to 2WD Mode”
AWD system is overheating.
 Perform the following actions.
 Reduce the vehicle speed until the message disappears.
 Stop the vehicle in a safe place and let the engine idle.
Once the display message on the multi-information display
turns off, there is no problem continuing to drive.
If the message does not disappear, have your vehicle
checked by your Lexus dealer immediately.
“AWD System Overheated
2WD Mode Engaged”
The vehicle switched from all-wheel drive (AWD) to front
wheel drive due to overheating.
 Perform the following actions.
 Reduce the vehicle speed until the message disappears.
 Stop the vehicle in a safe place and let the engine idle.
Once the display message on the multi-information display
turns off, the AWD system returns to normal.
If the message does not disappear, have your vehicle
checked by your Lexus dealer immediately.
“AWD System Malfunction
2WD Mode Engaged Visit
Your Dealer”A malfunction occurred in the AWD system.
 Have your vehicle checked by your Lexus dealer imme-
diately.
WARNING
■The ABS does not operate effectively
when
●The limits of tire gripping performance
have been exceeded (such as exces-
sively worn tires on a snow covered
road).
●The vehicle hydroplanes while driving
at high speed on wet or slick roads.
■Stopping distance when the ABS is
operating may exceed that of normal
conditions
The ABS is not designed to shorten the
vehicle’s stopping distance. Always
maintain a safe distance from the vehicle
in front of you, especially in the following
situations:
●When driving on dirt, gravel or snow-
covered roads
●When driving with tire chains
●When driving over bumps in the road
●When driving over roads with pot-
holes or uneven surfaces

2605-2. Lexus Climate Concierge
5-2.Lexus Climate Concierge
Select
The indicator on the Lexus Climate Con-
cierge control screen illuminates, and the
automatic air conditioning system, seat
heaters and ventilators, and heated steer-
ing wheel operate in automatic mode.
If any of the system is operated manually,
the indicator turns off. However, all other
functions continue to operate in automatic
mode.
■When using the Lexus Climate Con-
cierge
Lexus Climate Concierge can be operated
on the sub function menu or option control
screen. ( P.265)
■Automatic air conditioning system
( P.262)
The temperature can be adjusted indi-
vidually for the driver seat and passen-
ger seat.
■Seat heaters and ventilators (if
equipped) ( P.269)
Heating or ventilation is automatically
selected according to the set tempera-
ture of the air conditioning system, the
outside temperature, etc. Also, heating
and ventilation may turn off.
The seat heater and ventilator of the
front passenger seat operate in auto-
matic mode if a passenger is detected.
■Heated steering wheel (if
equipped) ( P.269)
Heated steering wheel operates auto-
matically according to the set tem-
perature of the air conditioning system,
the outside temperature, etc.
Lexus Climate Concierge
The seat heaters (if equipped), seat
ventilators (if equipped) and heated
steering wheel (if equipped) are
each automatically controlled
according to the set temperature of
the air conditioning system, the out-
side and cabin temperature, etc.
Lexus Climate Concierge allows a
comfortable condition to be main-
tained without adjusting each sys-
tem.
Press the “MENU” button on the
Remote Touch and select to
display the air conditioning control
screen. Then, select on the sub
menu ( P.265) to display the
Lexus Climate Concierge control
screen.
Turning on Lexus Climate Con-
cierge
Operation of each system

2645-3. Using the air conditioning system
mode and the fan speed to any setting
except off.
■Outside/recirculated air mode
●Setting to the recirculated air mode tem-
porarily is recommended in preventing
dirty air from entering the vehicle interior
and helping to cool the vehicle when the
outside air temperature is high.
●Outside/recirculated air mode may
automatically switch regardless of the air
conditioning setting depending on the
temperature setting or inside tempera-
ture.
■Registering air conditioning settings to
electronic keys
●Unlocking the vehicle using an electronic
key and turning the engine switch to
IGNITION ON mode will recall that
key’s registered air conditioning settings.
●When the engine switch is turned off, the
current air conditioning settings will auto-
matically be registered to the electronic
key that was used to unlock the vehicle.
●The system may not operate correctly if
more than one electronic key is in the
vicinity or if the smart access system with
push-button start is used to unlock the
passenger door.
●Vehicles with the driving position mem-
ory: The doors that can recall the air con-
ditioning setting
* when unlocked using
the smart access system with push-but-
ton start can be changed. For details,
contact your Lexus dealer.
*: The doors that can recall the driving posi-
tion memory are changed at the same
time.
■Operation of the air conditioning sys-
tem in Eco drive mode
In Eco drive mode, the air conditioning sys-
tem is controlled as follows to prioritize fuel
efficiency:
●Engine speed and compressor operation
controlled to restrict heating/cooling
capacity
●Fan speed restricted when automatic
mode is selected To improve air conditioning performance,
perform the following operations:
●Turn off eco air conditioning mode
(
 P.266)
●Adjust the fan speed
●Turn off Eco drive mode ( P.213)
■When the outside temperature falls to
nearly 32°F (0°C)
The dehumidification function may not
operate even when “A/C” is selected.
■Ventilation and air conditioning odors
●To let fresh air in, set the air conditioning
system to the outside air mode.
●During use, various odors from inside
and outside the vehicle may enter into
and accumulate in the air conditioning
system. This may then cause odor to be
emitted from the vents.
●To reduce potential odors from occur-
ring, the start timing of the blower may be
delayed for a short period of time imme-
diately after the air conditioning system is
started in automatic mode.
●When parking, the system automatically
switches to fresh air intake mode to
encourage better air circulation through-
out the vehicle, helping to reduce odors
that occur when starting the vehicle.
■Using the voice command system
Air conditioning system can be operated
using voice commands. For details, refer to
the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.
■Air conditioning filter
 P.331
■Air conditioning system refrigerant
●A label regarding the refrigerant of the
air conditioning system is attached to the
hood at the location shown in the follow-
ing illustration.

2715-3. Using the air conditioning system
5
Interior features
■Operation condition
The engine switch is in IGNITION ON
mode.
■Air conditioning system-linked control
mode
When the seat ventilator fan speed level is
Hi (when “AUTO” is selected), the seat
ventilator fan speed may become higher
according to the fan speed of the air condi-
tioning system.
■When AUTO mode is selected
The following functions may turn off
according to the air conditioning set tem-
perature, outside temperature, etc.
●Seat heaters
●Seat ventilators
■Stored settings
When the engine switch is turned to IGNI-
TION ON mode, the stored settings of the
following functions are recalled.
●Seat heaters
●Seat ventilators
■Main display
Using the touchpad of the Remote
Touch, select the button on the screen.
This system can also be operated by
the touch screen.
Adjust the seat ventilator fan speed
level
The seat ventilator can be adjusted in 3
levels.
When the seat ventilator is operated, the
fan speed level is displayed on the screen.
Adjust the seat heater temperature
level
The seat heater can be adjusted in 3 levels.
When the seat heater is operated, the tem-
perature level is displayed on the screen.
Adjust the heated steering wheel
temperature level
The heated steering wheel can be adjusted
in 2 levels.
When the heated steering wheel is oper-
ated, the temperature level is displayed on
the screen.
Automatic mode on/off indicators
When the automatic mode is on, the indi-
cator illuminates on the screen.
Sub function menu
WARNING
■To prevent overheating and minor
burn injuries
Observe the following precautions when
using the seat heaters.
●Do not cover the seat with a blanket or
cushion when using the seat heater.
●Do not use seat heater more than nec-
essary.
Control screen
A
B
C
D
E

2725-3. Using the air conditioning system
When the sub function button on the
Remote Touch is pressed, the following
functions can be set to automatic mode.: Left-hand side seat heater/seat
ventilator
: Heated steering wheel
: Right-hand side seat heater/seat
ventilator
■Side display (12.3-inch display
model)
Display the air conditioning control
screen ( P.267)
Adjust the seat heater temperature
level
Each time the switch is selected, the tem-
perature level and level indicator (orange)
change as follows:
AUTO  Hi  Mid  Lo  Off
Adjust the seat ventilator fan speed
level
Each time the switch is selected, the fan
speed level and level indicator (blue)
change as follows:
AUTO  Hi  Mid  Lo  Off
Adjust the heated steering wheel
temperature level
Each time the switch is selected, the tem-
perature level and level indicator change
as follows: AUTO
 Hi  Lo  Off
■Customization
Steering wheel heating preference in auto-
matic mode and the automatic mode set-
tings for the seat heaters and ventilators can
be changed. (Customizable features:
 P.408)
A
B
C
D

3827-2. Steps to take in an emergency
1Stop the vehicle in a safe place and
turn off the air conditioning system,
and then stop the engine.
2 If you see steam:
Carefully lift the hood after the
steam subsides.
If you do not see steam:
Carefully lift the hood.
3 After the engine has cooled down
sufficiently, inspect the hoses and
WARNING
●When working with the battery, always
wear safety glasses and take care not
to allow any battery fluids (acid) to
come into contact with skin, clothing
or the vehicle body.
●Do not lean over the battery.
●In the event that battery fluid comes
into contact with the skin or eyes,
immediately wash the affected area
with water and seek medical attention.
Place a wet sponge or cloth over the
affected area until medical attention
can be received.
●Always wash your hands after han-
dling the battery support, terminals,
and other battery-related parts.
●Do not allow children near the battery.
■When replacing the battery
When the vent plug and indicator are
close to the hold down clamp, the battery
fluid (sulfuric acid) may leak.
NOTICE
■When handling jumper cables
When connecting the jumper cables,
ensure that they do not become entan-
gled in the cooling fan or engine drive
belt.
If your vehicle overheats
The following may indicate that
your vehicle is overheating.
 The engine coolant temperature
gauge ( P.68, 71) is in the red
zone or a loss of engine power is
experienced. (For example, the
vehicle speed does not increase.)
 “Engine Coolant Temp High Stop
in a Safe Place See Owner’s
Manual” is shown on the multi-
information display.
 Steam comes out from under the
hood.
Correction procedures

4178-2. Customization
8
Vehicle specifications
■Heated steering wheel* ( P.269)
*: If equipped
■Illumination ( P.273)
*: If equipped
FunctionDefault settingCustomized setting
Steering wheel heating preference
in automatic modeStandard-2 (low) to 2 (high)OO
FunctionDefault settingCustomized setting
Time elapsed before the interior
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
Footwell lightsOnOffO
Instrument panel ornament light*
and door trim ornament lights
*OnOffO
Time elapsed before the outer foot
lights turn off15 seconds
Off
OO7.5 seconds
30 seconds
Operation of the outer foot lights
when you approach the vehicle
with the electronic key on your
person
OnOffO
Operation of the outer foot lights
when the doors are unlockedOnOffO
Operation of the outer foot lights
when a door is openedOnOffO
ABC
ABC

438Alphabetical index
C
Card key ............................................................ 92
Care ........................................................298, 301Aluminum wheels ......................................298
Exterior ...........................................................298
Interior .............................................................. 301
Seat belts......................................................... 301
Cargo capacity...............................................142
Cargo hooks ................................................. 279
Center Display ............................................. 258
Chains .............................................................. 252
Child-protectors............................................. 99
Child restraint system................................... 43 Fixed with a LATCH system ..................50
Fixed with a seat belt....................................47
Front passenger occupant classification system ..............................................................37
Points to remember .................................... 43
Riding with children ..................................... 43
Types of child restraint system installation method ........................................................... 44
Using an anchor bracket .......................... 53
Child safety ....................................................... 43 Airbag precautions...................................... 33
Battery precautions .........................318, 381
Child restraint system................................. 44
Heated steering wheel and seat heater precautions................................................ 269
How your child should wear the seat belt ............................................................................ 25
Moon roof precautions ............................ 127
Panoramic moon roof precautions... 130
Power window lock switch..................... 124
Power window precautions ................... 124
Rear door child-protectors ..................... 99
Seat belt extender precautions ............. 25
Seat belt precautions .................................. 43
Trunk precautions ...................................... 100
Cleaning ................................................298, 301 Aluminum wheels ......................................298
Exterior ...........................................................298 Interior .............................................................. 301
Radar sensor ....................................... 171, 209
Seat belts ......................................................... 301
Clock .................................................68, 71, 280
Coat hooks.....................................................288
Compass ......................................................... 294
Condenser .......................................................316
Console box ................................................... 277
Console box light .........................................277
Cooling system...............................................316 Engine overheating...................................382
Cornering lights ............................................ 160 Replacing light bulbs............................... 338
Cruise control Dynamic radar cruise control with full-speed range ............................................... 198
Cup holder ......................................................277
Current fuel consumption .......................... 78
Curtain shield airbags .................................. 28
Customizable features ..............................408
Custom mode .................................................213
D
Daytime running light system .................. 158
Defogger Outside rear view mirrors.....................263
Rear window ................................................263
Windshield ....................................................263
Dimension ......................................................388
Dinghy towing.................................................143
Display BSM (Blind Spot Monitor)................... 208
Dynamic radar cruise control with full-speed range ............................................... 198
Head-up display............................................83
Intuitive parking assist ................................216
LTA (Lane Tracing Assist) ....................... 191
Multi-information display .......................... 76
Parking Support Brake function (rear pedestrians)............................................... 244
RCD (Rear Camera Detection) ........ 229
RCTA............................................................... 223

440Alphabetical index
Compartment ............................................... 312
Engine switch.................................................144
Fuel pump shut off system ................... 350
Hood................................................................. 310
How to start the engine............................144
Identification number ...............................389
If the engine will not start ....................... 374
If your vehicle has to be stopped in an emergency ................................................ 344
Ignition switch (engine switch) .............144
Overheating .................................................382
Tachometer .............................................. 68, 71
Engine coolant ................................................316 Capacity ......................................................... 392
Checking .........................................................316
Preparing and checking before winter...........................................................................251
Engine coolant temperature gauge .68, 71
Engine immobilizer system ........................ 59
Engine oil ..........................................................313 Capacity .........................................................390
Checking .........................................................313
Preparing and checking before winter...........................................................................251
Warning light ............................................... 352
Engine oil maintenance data ....................315
Engine switch .................................................. 144 Auto power off function ........................... 147
Changing the engine switch modes.. 147
If your vehicle has to be stopped in an emergency ................................................ 344
Starting the engine ...................................... 144
Enhanced Vehicle Stability Control (Enhanced VSC) ...................................... 246
Enhanced VSC (Enhanced Vehicle Stabil- ity Control) .................................................. 246
EPS (Electric Power Steering) .............. 246 Function .......................................................... 246
Warning light ...............................................353
Event data recorder (EDR) ........................... 8F
Flat tire ............................................................. 365 Tire pressure warning system ............. 322
Floor mats ...........................................................22
Fluid Automatic transmission ..........................393
Brake ................................................................394
Washer ............................................................ 319
Footwell light ................................................. 273
Front passenger occupant classification system ...............................................................37
Front seats ......................................................... 112 Adjustment ....................................................... 112
Cleaning .......................................................... 301
Correct driving posture ............................ 23
Driving position memory .......................... 113
Head restraints............................................... 116
Memory recall function.............................. 115
Power easy access system ...................... 113
Seat heaters ..................................................269
Seat position memory ................................ 113
Seat ventilators ............................................269
Front side marker light ............................... 158 Light switch .................................................... 158
Front side marker lights Replacing light bulbs................... 338, 339
Wattage ......................................................... 396
Front turn signal lights .................................153 Replacing light bulbs................... 338, 339
Turn signal lever .......................................... 153
Wattage ......................................................... 396
Fuel ......................................................................169 Capacity ........................................................ 390
Fuel gauge.................................................68, 71
Fuel pump shut off system.................... 350
Information ....................................................397
Refueling.......................................................... 169
Type ................................................................. 390
Warning light ...............................................354
Fuel consumption Average fuel economy .............................. 78

Alphabetical index443
Maintenance requirements ..................303
Malfunction indicator lamp ..................... 352
Master warning light ..................................358
Menu icons.........................................................76
Meter Changing the main meter location ..... 75
Clock ........................................................... 68, 71
Indicators .......................................................... 66
Instrument panel light control ....... 70, 75
Meter control switches ...............................77
Meters ......................................................... 68, 71
Multi-information display.......................... 76
Settings ..............................................................80
Units ....................................................................80
Warning lights...............................................351
Warning message.......................................361
Mirrors Inside rear view mirror............................... 119
Outside rear view mirror defoggers263
Outside rear view mirrors ......................120
Vanity mirrors..............................................280
Moon roof Door lock linked moon roof operation.................................................................126, 129
Jam protection function..................126, 129
Operation............................................. 125, 128
Multi-information display .............................76 Audio system-linked display...................80
Boost gauge.................................................... 79
Drive information 1/Drive information 2............................................................................ 78
Driving information display.......................77
Driving support system information dis- play ...................................................................80
Dynamic radar cruise control with full- speed range ............................................... 198
Eco Driving Indicator .................................86
Gear Position .................................................80
G-force.............................................................. 79
LTA (Lane Tracing Assist)....................... 191
Menu icons ...................................................... 76
Meter control switches ...............................77 Navigation system-linked display ....... 80
Pop-up display .............................................. 80
Settings.............................................................. 80
Suggestion function ...................................... 81
Tire pressure ................................................ 322
Units.................................................................... 80
Warning message ...................................... 361
N
Navigation system-linked display... 80, 83
Noise from under vehicle ...............................6
O
Odometer ................................................. 70, 74
Odometer and trip meter display
“ODO TRIP” switch ........................... 70, 75
Display items .......................................... 70, 74
Pop-up display ...................................... 70, 75
“ODO TRIP” switch .............................. 70, 75
Oil Engine oil....................................................... 390
Opener Fuel filler door ............................................... 169
Hood ................................................................. 310
Trunk ................................................................. 102
Outside door handle lights...................... 273
Outside rear view mirrors .........................120 Adjustment ..................................................... 120
BSM (Blind Spot Monitor)................... 208
Folding................................................................ 121
Linked mirror function when reversing............................................................................122
Mirror position memory............................ 113
Outside rear view mirror defoggers263
RCTA function ............................................ 223
Outside temperature..............................68, 71
Overheating .................................................. 382
P
Paddle shift switches ........................... 151, 152