air filter LEXUS RC350 2019 Owners Manual

3TABLE OF CONTENTS
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1
2
3
4
5
6
7
8
9
4-2. Driving procedures Engine (ignition) switch .............. 125
Automatic transmission.............. 128
Turn signal lever............................. 133
Parking brake ................................. 134
ASC (Active Sound Control) .. 134
4-3. Operating the lights and wipers Headlight switch ............................ 136
Automatic High Beam ................ 138
Windshield wipers and washer ............................................................. 141
4-4. Refueling Opening the fuel tank cap......... 148
4-5. Using the driving support systems Lexus Safety System + ................. 151
PCS (Pre-Collision System)..... 154
LDA (Lane Departure Alert with steering control) .......................... 161
Dynamic radar cruise control ............................................................ 168
Intuitive parking assist ................. 176
BSM (Blind Spot Monitor) ........ 182
Driving mode select switch....... 190
Driving assist systems .................. 192
4-6. Driving tips Winter driving tips ........................ 196
5-1. Remote Touch/Display Remote Touch ............................... 200
Center Display .............................. 202
5-2. Using the air conditioning system Automatic air conditioning system .205 Heated steering wheel/seat heat-
ers/seat ventilators..................... 212
5-3. Using the interior lights Interior lights list ............................. 215
5-4. Using the storage features List of storage features ................ 217
Trunk features ................................. 219
5-5. Using the other interior features Other interior features .............. 220
Garage door opener .................. 222
Compass .......................................... 227
6-1. Maintenance and care Cleaning and protecting the vehi-cle exterior.................................... 232
Cleaning and protecting the vehi- cle interior .................................... 235
6-2. Maintenance Maintenance re quirements .....238
General maintenance................ 239
Emission inspection and mainte- nance (I/M) programs ............. 242
6-3. Do-it-yourself maintenance Do-it-yourself service precautions.243
Hood ................................................. 245
Positioning a floor jack .............. 245
Engine compartment .................. 247
Tires ................................................... 255
Tire inflation pressure................... 261
Wheels ............................................. 263
Air conditioning

filter ................. 264
Electronic key battery ................ 265
5Interior features
6Maintenance and care

2075-2. Using the air conditioning system
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5
Interior features
screen
Display the option control screen
( P.207)
Adjust the left-hand side tempera-
ture setting
Adjust the fan speed setting
Select the air flow mode
Adjust the right-hand side tem-
perature setting
Function on/off indicators
When the function is on, the indicator illu-
minates on the control screen.
Display the sub function menu
( P.207)
Using the Remote Touch, select the button
on the screen and activate it by pressing on
or double tapping the Remote Touch Pad.
■Option control screen
Select on the air conditioning con-
trol screen to display the option control
screen. The functions can be switched
on and off.
Adjusting the temperature for
driver and passenger seats sepa-
rately (“DUAL” mode) ( P.208)
Select to set eco mode on/off
( P.210)
Set cooling and dehumidification function on/off
If the “A/C” indicator is turned off, the sys-
tem will blow ambient temperature air or
heated air.
Removing pollen from the air
(Micro dust and pollen filter)
(
P.209)
■Sub function menu
When the sub function button on the
Remote Touch is pressed, the following
functions can be switched on and off.
Set automatic mode on/off
(P.208)
Turn the fan off
Set cooling and dehumidification
function on/off
If the “A/C” indicator is turned off, the sys-
tem will blow ambient temperature air or
heated air.
Adjust the temperature for driver
and passenger seats separately
(“DUAL” mode) ( P.208)
Select to set eco mode on/off
( P.210)
B
C
D
E
F
G
H
A
B
C
D
A
B
C
D
E

2095-2. Using the air conditioning system
RC350AWD_RC350_RC300AWD_RC30
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5
Interior features
automatically.
The indicator above the selected button
comes on.
■Micro dust and pollen filter
Pollen is removed from the air and the
air flows to the upper part of the body.
Select on the option control
screen.
When the micro dust and pollen filter is on, is displayed on the air conditioning
control screen.
In order to prevent the windshield from
fogging up when the outside air is cold, the
dehumidification function may operate.
Pollen is filtered even if the micro dust and
pollen filter is turned off.
■Defogging the windshield
Defoggers are used to defog the wind-
shield and side windows.
Press .
Set the outside/recirc ulated air mode but-
ton to outside air mode if the recirculated
air mode is used. (It may switch automati-
cally.)
To defog the windshield and the side win-
dows early, turn the air flow and tempera-
ture up.
To return to the previous mode, press
again when the windshield is
defogged.
■Defogging the rear window and
outside rear view mirrors
Defoggers are used to defog the rear
window, and to remove raindrops, dew
and frost from the outside rear view
mirrors. Press .
The defoggers will automatically turn off
after a period of time.
■Windshield wiper de-icer (if
equipped)
This feature is used to prevent ice from
building up on the windshield and
wiper blades.
Turns on/off.
The indicator comes on when the wind-
shield wiper de-icer is on.
The windshield de-icer will automatically
turn off after a period of time.
■Registering air conditioning settings to
electronic keys (vehicles with driving
position memory)
●Unlocking the vehicle using an electronic
key and turning the engine switch to
IGNITION ON mode will recall that
key's registered air co nditioning 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 electr onic key is in the
vicinity or if the smart access system with
push-button start is used to unlock a pas-
senger door.
●The doors that can recall the air condi-
tioning setting* when unlocked using the
smart access system with push-button
start can be changed. For details, contact

2115-2. Using the air conditioning system
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5
Interior features
●To reduce potential odors from occur-
ring:
• It is recommended that the air condition-
ing system be set to outside air mode
prior to turning the vehicle off.
• 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.
■Air conditioning filter
 P.264
■Customization
Some functions can be customized.
(  P.339)
■Location of air outlets
The air outlets and air volume changes
according to the selected airflow
mode.
■Adjusting the position of and open-
ing and closing the air outlets
Front Direct air flow to the left or right, up
or down
Turn the knob to open or close the
vent
Rear
Direct air flow to the left or right, up
or down
To close the vent, move the knob to the
most outside position.
Air outlets
WARNING
■To prevent the windshield from fog-
ging up
●Do not use during cool air
operation in extremely humid weather.
The difference between the tempera-
ture of the outside air and that of the
windshield can cause the outer surface
of the windshield to fog up, blocking
your vision.
●Do not place anything on the instru-
ment panel which may cover the air
outlets. Otherwise, air flow may be
obstructed, preventing the windshield
defoggers from defogging.
A
B
A

231
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6
6
Maintenance and care
Maintenance and care
.6-1. Maintenance and careCleaning and protecting the vehi-cle exterior ................................ 232
Cleaning and protecting the vehi- cle interior ................................. 235
6-2. Maintenance Maintenance requirements........................................................ 238
General maintenance ............. 239
Emission inspection and mainte- nance (I/M) programs ......... 242
6-3. Do-it-yourself maintenance Do-it-yourself service precautions243
Hood............................................... 245
Positioning a floor jack............ 245
Engine compartment............... 247
Tires ................................................ 255
Tire inflation pressure ............... 261
Wheels........................................... 263
Air conditioning filter...............264
Electronic key battery ............. 265
Checking and replacing fuses ........................................................ 267
Headlight aim.............................. 269
Light bulbs .................................... 270

2446-3. Do-it-yourself maintenance
RC350AWD_RC350_RC300AWD_RC30
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Light bulbs
( P.270)
• Bulb with same num-
ber and wattage rat-
ing as original
• Phillips-head screw- driver
• Flathead screw- driver
• Wrench
Radiator, con-
denser and inter-
cooler radiator
(  P.252)

Tire inflation pres-
sure ( P.261)• Tire pressure gauge
• Compressed air
source
Washer fluid
( P.254)
• Water or washer
fluid containing anti-
freeze (for winter
use)
• Funnel (used only for adding water or
washer fluid)
WARNING
The engine compartment contains many
mechanisms and fluids that may move
suddenly, become hot, or become elec-
trically energized. To avoid death or seri-
ous injury, observe the following
precautions.
■When working on the engine com-
partment
●Keep hands, clothi ng and tools away
from the moving fans and engine drive
belt.
●Be careful not to touch the engine,
radiator, exhaust manifold, etc. right
after driving as they may be hot. Oil
and other fluids may also be hot.
ItemsParts and tools●Do not leave anything that may burn
easily, such as paper and rags, in the
engine compartment.
●Do not smoke, cause sparks or expose
an open flame to fuel or the battery.
Fuel and battery fumes are flammable.
●Be extremely cautious when working
on the battery. It contains poisonous
and corrosive sulfuric acid.
■When working near the electric cool-
ing fans or radiator grille
Be sure the engine switch is off.
With the engine switch in IGNITION
ON mode, the electric cooling fans may
automatically start to run if the air condi-
tioning is on and/or the coolant tempera-
ture is high. ( P.252)
■Safety glasses
Wear safety glasses to prevent flying or
falling material, fluid spray, etc. from get-
ting in your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter
removed may cause excessive engine
wear due to dirt in the air.

2646-3. Do-it-yourself maintenance
RC350AWD_RC350_RC300AWD_RC30
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1Turn the engine switch off.
2 Open the glove box. Lift up the side
with the stay, disconnect the stay
tabs and remove the partition by
pulling horizontally.
3 Press the tabs and remove the filter
cover. 4
Press the tabs and remove the filter
case.
5 Remove the air conditioning filter
from the filter case and replace it
with a new one.
The “ UP” marks shown on the filter
and the filter case sh ould be pointing up.
■Checking interval
Inspect and replace the air conditioning fil-
ter according to the maintenance schedule.
In dusty areas or areas with heavy traffic
flow, early replacement may be required.
(For scheduled maintenance information,
please refer to the “Owner’s Manual Sup-
plement” or “Scheduled Maintenance”.)
■If air flow from the vents decreases dra-
matically
The filter may be clogged. Check the filter
and replace if necessary.
■Air conditioning filt er with deodorizing
function
When fragrances are placed in your vehi-
cle, the deodorizing effect may become
significantly weakened in a short period.
Air conditioning filter
The air conditioning filter must be
changed regularly to maintain air
conditioning efficiency.
Removing the air conditioning
filter

2656-3. Do-it-yourself maintenance
RC350AWD_RC350_RC300AWD_RC30
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6
Maintenance and care
When an air conditioning odor comes out
continuously, replace the air conditioning
filter.
■If the electronic key battery is depleted
The following symptoms may occur:
●The smart access system with push-but-
ton start and wireless remote control will
not function properly.
●The operational range will be reduced.
■When the card key battery needs to be
replaced (if equipped)
The battery for the card key is available only
at Lexus dealers. Your Lexus dealer can
replace the battery for you.
 Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2032
■Use a CR2032 lithium battery
●Batteries can be purchased at your Lexus
dealer, local electrical appliance shops or
camera stores.
●Replace only with the same or equivalent
type recommended by the manufacturer.
●Dispose of used batteries according to
local laws.
NOTICE
■When using the air conditioning sys-
tem
Make sure that a filter is always installed.
Using the air conditioning system without
a filter may cause damage to the system.
Electronic key battery
Replace the battery with a new one
if it is depleted.
As the key may be damaged if the
following procedure is not per-
formed properly, it is recom-
mended that key battery
replacement be performed by your
Lexus dealer.
Items to prepare

3731-1. What to do if... (Troubleshooting)
RC350AWD_RC350_RC300AWD_RC30
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Alphabetical Index
A
A/C Air conditioning filter ............................... 264
Automatic air conditioning system ...205
Micro dust and pollen filter...................209
ABS (Anti-lock Brake System)................192 Warning light ............................................... 283
Active Sound Control (ASC) ..................134
Adaptive Variable Suspension System 192
Air conditioning filter ................................. 264
Air conditioning system Air conditioning filter ............................... 264
Automatic air conditioning system ...205
Micro dust and pollen filter...................209
Airbags Airbag operating conditions................... 30
Airbag precautions for your child .........32
Correct driving posture .............................23
Curtain shield airbag operating condi-tions .................................................................. 30
Curtain shield airbag precautions ........32
Front passenger occupant classification system ............................................................. 36
General airbag precautions ....................32
Locations of airbags.................................... 28
Modification and disposal of airbags . 35
Side airbag operating conditions ......... 30
Side airbag precautions .............................32
Side and curtain shield airbags operating conditions...................................................... 30
Side and curtain shield airbags precau- tions ...................................................................32
SRS airbags ..................................................... 28
SRS warning light ...................................... 283
Alarm ................................................................... 58 Warning buzzer ......................................... 282
Anchor brackets ............................................... 41
Antennas (smart access system with push-button start)........................................ 93
Anti-lock Brake System (ABS)................192 Warning light ............................................... 283 Approach warning........................................ 173
ASC (Active Sound Control) ..................134
Assist grips ..................................................... 220
Audio system-linked display ...................... 75
Automatic air conditioning system ...... 205
Automatic headlight leveling system .... 137
Automatic High Beam ............................... 138
Automatic light control system................136
Automatic transmission ..............................128
M mode ............................................................. 131
Paddle shift switches ........................ 130, 131
Snow mode.................................................... 130
Average fuel economy..................................72
Average vehicle speed .................................72
B
Back-up light Replacing light bulbs ................................270
Wattage ..........................................................326
Battery Battery checking ........................................253
If the battery is discharged ................... 306
Preparing and checking before winter.....196
Warning light ...............................................282
Boost gauge.......................................................74
Brake Fluid.....................................................................321
Parking brake ................................................134
Warning light ...............................................282
Brake assist ......................................................192
Break-in tips...................................................... 117
Brightness control Instrument panel light control................... 71
C
Card key ............................................................ 82
CareAluminum wheels ...................................... 232
Exterior............................................................ 232
Interior .............................................................235