2020 Lexus ES350 air condition

2645-3. Using the air conditioning system
tioning mode turns on.
When a drive mode other than Eco drive
mode is selected, eco air conditioning
mode may turn off.
1Press the automatic mode switch or
select “AUTO” on the sub function
menu. (P.262)
2
Press the outside/recirculated air
mode switch to switch to automatic
air intake mode.
The air conditioning system automatically
switches between outside air and recircu-
lated air modes.
3Adjust the temperature setting.
4
To stop the operation, press the off
switch or select “Off” on the sub
function menu. ( P.262)
If the fan speed setting or air flow
modes are operated , the automatic
mode indicator goes off. However,
automatic mode for functions other
than that operated is maintained.
■Using automatic mode
Fan speed is adjusted automatically accord-
ing to the temperature setting and the
ambient conditions.
Therefore, the fan may stop for a while until
warm or cool air is ready to flow immedi-
ately after the automatic mode switch is
pressed or “AUTO” is selected. Cool air may blow around the upper body
even when the heater is on due to sunlight.
■Automatic mode for air intake control
In automatic mode, the system detects
exhaust gas and other pollutants and auto-
matically switches between outside air and
recirculated air modes.
When the dehumidification function is off,
and the fan is operating, turning automatic
mode on will activate the dehumidification
function. The next time the dehumidification
function is turned off, the AUTO mode for
switching between outside air and recircu-
lated air modes is canceled.
To turn on the “DUAL” mode, perform
any of the following procedures:
 Select “DUAL” on the sub function
menu. ( P.263)
 Select “DUAL” on the option con-
trol screen.
 Adjust the front passenger’s side
temperature setting.
The indicator on the main control screen
comes on when the “DUAL” mode is on.
■Location of air outlets
The air outlets and air volume changes
according to the selected air flow
mode.
WARNING
■To prevent burns (vehicles with wind-
shield wiper de-icer)
Do not touch the glass at lower part of
the windshield or to the side of the front
pillars when the wind shield wiper de-icer
is on.
Using automatic mode
Adjusting the temperature for
driver and passenger seats sepa-
rately (“DUAL” mode)
Air outlet layout and operations

2655-3. Using the air conditioning system
5
Interior features
■Adjusting the air flow direction and
opening/closing the air outlets
Front center/front side
1
Direct air flow to the left or right, up
or down
2
Turn the knob to open or close the
vent
Rear
1
Direct air flow to the left or right, up
or down
2
Turn the knob to open or close the
vent
WARNING
■To prevent the windshield defogger
from operating improperly
Do not place anything on the instrument
panel which may cover the air outlets.
Otherwise, air flow may be obstructed,
preventing the windshield defoggers
from defogging.

2665-3. Using the air conditioning system
*: If equipped
Each time the switch is pressed, the
operation condition changes as fol-
lows.
AUTO (lit)  Hi (2 segments lit)  Lo
(1 segment lit)  Off
The AUTO indicator and/or level
indicator illuminates during opera-
tion.
■Operation condition
The engine switch is in IGNITION ON
mode.
■When AUTO mode is selected
The heated steering wheel function may
turn off according to the air conditioning set
temperature, outside temperature, etc.
■Stored settings
When the engine switch is turned to IGNI-
TION ON mode, the stored settings are
Heated steering wheel*/seat
h
eaters*/seat ventilators*
 Heated steering wheel
Warms up the grip of the steering wheel
Seat heaters
Warm up the seat upholstery
Seat ventilators
Maintain good air flow by sucking air
into the seats
Press the “MENU” button on the
Remote Touch and select “Climate” to
display the air conditioning control
screen. Then, select
on the sub
menu ( P.262
) to display the heated
steering wheel/seat heaters/seat ventila-
tors control screen.
WARNING
■To prevent minor burn injuries
Care should be taken if anyone in the fol-
lowing categories comes in contact with
the steering wheel or seats when the
heater is on:
●Babies, small children, the elderly, the
sick and the phys ically challenged
●Persons with sensitive skin
●Persons who are fatigued
●Persons who have taken alcohol or
drugs that induce sleep (sleeping
drugs, cold remedies, etc.)
NOTICE
■To prevent damage to the seat heat-
ers and seat ventilators
Do not put heavy objects that have an
uneven surface on the seat and do not
stick sharp objects (n eedles, nails, etc.)
into the seat.
■To prevent battery discharge
Do not use the functions when the
engine is off.
Heated steering wheel
A
B

2675-3. Using the air conditioning system
5
Interior features
recalled.
■Seat heaters
Each time the switch is pressed, the
operation condition changes as fol-
lows.
AUTO (lit)  Hi (3 segments lit) 
Mid (2 segments lit)  Lo (1 segment
lit)  Off
The AUTO indicator and/or level
indicator illuminates during opera-
tion.
■Seat ventilators
Each time the switch is pressed, the
operation condition changes as fol-
lows.
AUTO (lit)  Hi (3 segments lit) 
Mid (2 segments lit)  Lo (1 segment
lit)  Off
The AUTO indicator and/or and level
indicator illuminates during operation.
■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 sele cted), the seat venti-
lator 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 following stored set-
tings are recalled.
●Seat heaters
●Seat ventilators
Seat heaters and ventilators
A
B
A
B
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.

2685-3. Using the air conditioning system
■Main display
Using the touchpad of the Remote
Touch, select the button on the screen.
to can be adjusted by perform-
ing the following operations.
Flick operation: Move the pointer to
the desired item and flick the touchpad
up or down.
The item can be adjusted by one level.
Trace operation: After selecting the
desired item, trace the pad surface.
The item can be adjusted by the amount
that you trace.
Trace operation cannot be used while driv-
ing.
Adjust the seat ventilator fan speed
level
The seat ventilator can be adjusted in 3 lev-
els.
When the seat ventilator is operated, the
fan speed level is disp layed 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 le
vel 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
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.262)
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
Control screen
AC
A
B
C
D
E
A
B
C

2695-3. Using the air conditioning system
5
Interior features
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 le vel 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 heat ers and ventilators can
be changed. (Customizable features:
 P.404)
D

2855-6. Using the other interior features
5
Interior features
WARNING
■Caution while driving
When charging a portable device, for
safety reasons, the driver should not
operate the main the part of the portable
device while driving.
■Caution regarding interference with
electronic devices
People with implantable cardiac pace-
makers, cardiac resy nchronization ther-
apy-pacemakers or implantable
cardioverter defibrillators, as well as any
other electrical medical device, should
consult their physician about the usage of
the wireless charger.
The operations of the wireless charger
may have an affect on medical devices.
■To prevent damage or burns
Observe the following precautions.
Failure to do so may result in a possibility
of equipment failure and damage, catch
fire, burns due to overheat.
●Do not insert any metallic objects
between the charging area and the
portable device while charging
●Do not attach stickers, metallic
objects, etc., to the charger area or
portable device
●Do not cover with cloth, etc., and
charge
●Do not charge portable devices other
than designated
●Do not attempt to dismantle for disas-
sembly or modifications
●Do not hit or apply a strong force
NOTICE
■Conditions in which the function may
not operate correctly
In the following conditions, it may not
operate correctly
●The portable device is fully charged
●There is foreign matter between the
charge area and portable device
●The temperature of the portable
device gets higher from charging
●The charging surface of the portable
device is facing up
●The placement of the portable device
is out of alignmen t with the charge
area
●Near a TV tower, electric power plant,
gas station, radio stat ion, large display,
airport or other fac ility that generates
strong radio waves or electrical noise
●When the electronic key is in contact
with, or is covered by the following
metallic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
• Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
●When other wireless keys (that emit
radio waves) are being used nearby
In addition, excluding the above-men-
tioned, when the charger does not per-
form normally or the operation indicator
light is flashing continuously, it is consid-
ered that the wireless charger is malfunc-
tioning. Contact your Lexus dealer.
■To prevent failure or damage to data
●Do not bring magnetic cards, such as
credit cards, or magnetic recording
media, etc., close to the charger while
charging, otherwise, data may disap-
pear under the influence of magne-
tism. Also, do not bring precision
instruments such as wrist watches, etc.,
close to the charger, as such objects
may break.

299
6
6
Maintenance and care
Maintenance and care
6-1. Maintenance and careCleaning and protecting the vehi-cle exterior ................................ 300
Cleaning and protecting the vehi- cle interior ................................. 303
6-2. Maintenance Maintenance requirements .. 305
General maintenance ............. 306
Emission inspection and mainte- nance (I/M) programs ......... 309
6-3. Do-it-yourself maintenance Do-it-yourself service precautions......................................................... 310
Hood................................................ 312
Positioning a floor jack............. 312
Engine compartment................ 314
Tires ................................................ 320
Tire inflation pressure .............. 329
Wheels............................................ 331
Air conditioning filter...............333
Electronic key battery ............. 334
Checking and replacing fuses ........................................................ 336
Headlight aim.............................. 338
Light bulbs .................................... 339