fuel filter LEXUS RX350 2021 Owners Manual

4TABLE OF CONTENTS
6-1. Maintenance and careCleaning and protecting the vehi-cle exterior ................................... 344
Cleaning and protecting the vehi- cle interior .................................... 347
6-2. Maintenance Maintenance requirements ..... 350
General maintenance ................. 351
Emission inspection and mainte- nance (I/M) programs ............ 354
6-3. Do-it-yourself maintenance Do-it-yourself service precautions........................................................... 355
Hood.................................................. 357
Positioning a floor jack............... 357
Engine compartment.................. 359
Tires ................................................... 365
Tire inflation pressure ................. 373
Wheels.............................................. 374
Air conditioning filter..................376
Windshield wiper inserts........... 378
Electronic key battery ................ 379
Checking and replacing fuses ............................................................ 381
Headlight aim................................. 382
Light bulbs ....................................... 384
7-1. Essential information Emergency flashers..................... 394
If your vehicle has to be stopped in an emergency ............................. 394If the vehicle is trapped in rising
water .............................................. 395
7-2. Steps to take in an emergency If your vehicle needs to be towed.......................................................... 397
If you think something is wrong ........................................................... 401
Fuel pump shut off system ........ 402
If a warning light turns on or a warn- ing buzzer sounds..................... 403
If a warning messa ge is displayed
............................................................ 412
If you have a flat tire ..................... 416
If the engine will not start .......... 428
If you lose your keys.................... 430
If the fuel filler door cannot be opened .......................................... 430
If the electronic key does not oper- ate properly ................................... 431
If the vehicle battery is discharged .......................................................... 433
If your vehicle overheats ........... 437
If the vehicle becomes stuck ... 439
8-1. Specifications Maintenance data (fuel, oil level, etc.) .................................................. 442
Fuel information............................ 450
Tire information ............................ 452
8-2. Customization Customizable features ............... 461
8-3. Initialization Items to initialize ........................... 474
6Maintenance and care
7When trouble arises
8Vehicle specifications

2955-3. Using the air conditioning system and defogger
5
Interior features
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, con-
tact your Lexus dealer.
*: The doors that can recall the driving
position 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 restri ct heating/cooling
capacity
●Fan speed restricted when automatic
mode is selected
To improve air condit ioning performance,
perform the following operations:
●Adjust the fan speed
●Turn off Eco drive mode ( P.271)
■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 sys-
tem. This may then cause odor to be
emitted from the vents.
●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 or with the
micro dust and pollen filter on.
■Using the voice command system
Air conditioning system can be operated
using voice commands. For details, refer to
“NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.
■Air conditioning filter
 P.376
■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.
●The meaning of each symbol on the label
are as follows:
■Customization
Some functions can be customized.
(  P.461)
Caution
Air conditioning system
Air conditioning system
lubricant type
Requires registered tech-
nician to service air condi-
tioning system
Flammable refrigerant

2985-3. Using the air conditioning system and defogger
Vehicles with DUAL-ZONE climate
controlAdjusting the temperature for
driver and passenger seats sepa-
rately (“DUAL” mode) ( P.301)
Set eco air conditioning mode
Air conditioning and heater output is lim-
ited to prioritize fuel economy.
Cooling and dehumidification func-
tion
If the “A/C” indicator is turned off, the sys-
tem will blow ambient temperature air or
heated air.
Select the front seat concentrated
airflow mode (S-FLOW)
( P.300)
Prevent ice from building up on the
windshield and wiper blades
(Windshield wiper de-icer) (if
equipped)
Removing pollen from the air
(Micro dust and pollen filter)
Vehicles with 3-ZONE climate con-
trol
Adjust the temperature for driver,
passenger and rear seats sepa-
rately (“3-ZONE” mode)
( P.301)
Set eco air conditioning mode
Air conditioning and heater output is lim-
ited to prioritize fuel economy.
Cooling and dehumidification func-
tion
If the “A/C” indicator is turned off, the sys-
tem will blow ambient temperature air or
heated air.
Select the front seat concentrated
airflow mode (S-FLOW)
( P.300)
Prevent ice from building up on the
windshield and wiper blades
(Windshield wiper de-icer) (if
equipped)
Removing pollen from the air
(Micro dust and pollen filter)
A
B
C
D
E
F
A
B
C
D
E
F

3566-3. Do-it-yourself maintenance
Light bulbs
( P.384)
•Bulb with same num-
ber and wattage rat-
ing as original
•Flathead screw- driver
•Wrench
Radiator and con-
denser ( P.362)
Tire inflation pres-
sure (P.373)• Tire pressure gauge
•Compressed air
source
Washer fluid
( P.364)
• 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 fan 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.
●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.
ItemsParts and tools●Be extremely cautious when working
on the battery. It contains poisonous
and corrosive sulfuric acid.
■When working near the electric cool-
ing fan or radiator grille
Be sure the engine switch is off.
With the engine switch in IGNITION
ON mode, the electric cooling fan may
automatically start to run if the air condi-
tioning is on and/or the coolant tempera-
ture is high. ( P.362)
■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.

4448-1. Specifications
■Oil capacity (Drain and refillref-
erence
*)
*: The engine oil capacity is a reference
Engine
Model3.5 L 6-cylinder (2GR-FKS)
Type6-cylinder V type, 4-cycle, gasoline
Bore and stroke3.70  3.27 in. (94.0  83.0 mm)
Displacement210.9 cu. in. (3456 cm3)
Valve clearance (engine cold)Automatic adjustment
Drive belt tensionAutomatic adjustment
Fuel
Fuel typeUnleaded gasoline only
Octane Rating87 (Research Octane Number 91) or higher
Fuel tank capacity
(Reference)19.2 gal. (72.5 L, 15.9 Imp. gal.)
Lubrication system
With filter
Vehicles with towing pack-
age
5.8 qt. (5.5 L, 4.8 Imp. qt.)
Vehicles without towing
package
5.7 qt. (5.4 L, 4.8 Imp. qt.)
Without fil-
ter5.6 qt. (5.3 L, 4.7 Imp. qt.)

493Alphabetical Index
Alphabetical Index
A
A/CAir conditioning filter ............................... 376
Front automatic air conditioning system......................................................................... 292
Front seat concentr ated airflow mode
(S-FLOW)................................................ 300
Micro dust and pollen filter................... 299
Rear automatic air conditioning system .........................................................................303
ABS (Anti-lock Brake System)...............274 Warning light ...............................................405
ACA (Active Cornering Assist) ........... 275
Active Cornering Assist (ACA) ........... 275
Adaptive Front-lighting System (AFS) 190
Adaptive Variable Suspension System275
AFS (Adaptive Front-lighting System) 190
AHB (Automatic High Beam) .................. 191
Air conditioning filter ................................. 376
Air conditioning system Air conditioning filter ............................... 376
Front automatic air conditioning system......................................................................... 292
Front seat concentr ated airflow mode
(S-FLOW)................................................ 300
Micro dust and pollen filter................... 299
Rear automatic air conditioning system .........................................................................303
Airbags Airbag operating conditions................... 33
Airbag precautions for your child ........ 36
Correct driving posture ............................ 25
Curtain shield airbag operating condi- tions .................................................................. 33
Curtain shield airbag precautions ....... 36
Front passenger occupant classification system ............................................................. 39
General airbag precautions ................... 36
Locations of airbags.................................... 30
Modification and disposal of airbags . 38
Side airbag operating conditions ......... 33 Side airbag precautions ............................ 36
Side and curtain shie
ld airbags operating
conditions ...................................................... 33
Side and curtain shield airbags precau- tions .................................................................. 36
SRS airbags......................................................30
SRS warning light...................................... 404
Alarm ................................................................... 68 Warning buzzer ........................................ 403
Anchor brackets ..................................... 46, 57
Antennas (smart acc ess system with
push-button start)........................................ 115
Anti-lock Brake System (ABS)...............274 Warning light .............................................. 405
Approach warning...................................... 233
Armrest............................................................ 330
Assist grips ..................................................... 330
Audio system-linked display ...................... 85
Automatic headlight leveling system ... 189
Automatic High Beam ................................. 191
Automatic light control system............... 188
Automatic transmission ..............................178 M mode ............................................................. 181
Paddle shift switches ........................ 180, 181
Auxiliary boxes ..................................... 317, 319
Average fuel economy................................. 82
Average vehicle speed ................................ 82
AWD Control.................................................. 83
B
Back door ........................................................ 103
Back-up light Wattage ..........................................................449
Back-up lights Replacing light bulbs .....................385, 391
Battery Battery checking ........................................363
If the battery is discharged ....................433
Preparing and checking before winter......................................................................... 280
Warning light .............................................. 404
Blind Spot Monitor (BSM)....................... 236

499Alphabetical Index
Interior lights list..........................................309
Rear interior lights .....................................309
Rear personal lights................................... 310
Replacing light bulbs............................... 385
Turn signal lever ...........................................182
Vanity lights .................................................. 333
Wattage.......................................................... 449
Lock steering column .................................. 175
LTA (Lane Tracing Assist) Operation........................................................ 216
Warning messages .................................. 224
Luggage cover .............................................. 318
M
Maintenance Do-it-yourself maintenance .................355
General maintenance ...............................351
Maintenance data...................................... 442
Maintenance requirements ................. 350
Malfunction indicator lamp ..................... 404
Master warning light .................................. 409
Menu icons..........................................................81
Meter Clock ................................................................... 77
Indicators ...........................................................74
Instrument panel light control ................80
Meter control switches .............................. 82
Meters ................................................................. 77
Multi-information display ............................81
Settings .............................................................. 85
Units .................................................................... 84
Warning lights .............................................403
Warning message....................................... 412
Micro dust and pollen filter ..................... 299
Mirrors Inside rear view mirror............................. 140
Outside rear view mirror defoggers294
Outside rear view mirrors ........................141
Vanity mirrors.............................................. 333
Moon roof Door lock linked moon roof operation........................................................................... 147 Door lock linked panoramic moon roof
operation ..................................................... 150
Jam protection function ............................147
Operation ....................................................... 146
Multi-information display ..............................81 Audio system-linked display ...................85
AWD Control ................................................83
Drive information .......................................... 82
Driving assist system information .........85
Driving information display ...................... 82
Dynamic radar cruise control with full-speed range ...................................... 227
Eco Driving Indicator..................................83
G-force ..............................................................84
LTA (Lane Tracing Assist) ...................... 221
Menu icons ....................................................... 81
Meter control switches .............................. 82
Navigation system-linked display ........85
Pop-up display ................................................ 81
Settings...............................................................85
Suggestion function .....................................86
Tire pressure ................................................ 367
Units.....................................................................84
Warning message .......................................412
N
Navigation system-linked display..... 85, 91
Noise from under vehicle ...............................6
O
“ODO TRIP” switch ...................................... 80
Odometer ......................................................... 80
Odometer and trip meter display Display items .................................................. 80
“ODO TRIP” switch ................................... 80
Pop-up display .............................................. 80
Oil Engine oil........................................................ 444
Rear differential oil......... ..................... ....... 447
Opener Fuel filler door ............................................. 200