2022 LEXUS RX450h inflation pressure

39I-39I@6
1
2
3
4
5
6
7
8
9
Pictorial indexSearch by illustration
For safety
and securityMake sure to read through them
(Main topics: Child seat, theft deterrent system)
Vehicle status
information and
indicatorsReading driving-related information
(Main topics: Meters, multi-information display)
Before drivingOpening and closing the doors and windows,
adjustment before driving
(Main topics: Keys, doors, seats)
DrivingOperations and advice which are necessary for driving
(Main topics: Starting hybrid system, refueling)
Interior featuresUsage of the interior features
(Main topics: Air conditioner, storage features)
Maintenance
and careCaring for your vehicle and maintenance procedures
(Main topics: Interior and exterior, light bulbs)
When trouble
arisesWhat to do in case of malfunction and emergency
(Main topics: Battery discharge, flat tire)
Vehicle
specificationsVehicle specifications, customizable features
(Main topics: Fuel, oil, tire inflation pressure)
For ownersReporting safety defects for U.S. owners, seat belt, SRS
airbag and headlight aim instructions for Canadian
owners
IndexSearch by symptom
Search alphabetically

4TABLE OF CONTENTS
6-1. Maintenance and careCleaning and protecting the vehi-cle exterior ................................... 350
Cleaning and protecting the vehi- cle interior .................................... 353
6-2. Maintenance Maintenance requirements ..... 356
General maintenance ................ 357
Emission inspection and mainte- nance (I/M) programs ............ 360
6-3. Do-it-yourself maintenance Do-it-yourself service precautions............................................................ 361
Hood.................................................. 363
Positioning a floor jack............... 363
Engine compartment.................. 365
12-volt battery................................ 370
Tires ................................................... 374
Tire inflation pressure................. 380
Wheels.............................................. 382
Air conditioning filter..................383
Windshield wiper inserts........... 385
Electronic key battery ................ 386
Checking and replacing fuses ........................................................... 388
Headlight aim................................. 390
Light bulbs ....................................... 392
7-1. Essential information Emergency flashers..................... 402
If your vehicle has to be stopped in an emergency ............................. 402If the vehicle is submerged or water
on the road is rising .................. 403
7-2. Steps to take in an emergency If your vehicle needs to be towed.......................................................... 405
If you think something is wrong .......................................................... 409
If a warning light turns on or a warn- ing buzzer sounds...................... 410
If a warning messa ge is displayed
.......................................................... 420
If you have a flat tire ..................... 424
If the hybrid syst em will not start
.......................................................... 436
If you lose your keys.................... 438
If the fuel filler door cannot be opened .......................................... 438
If the electronic key does not oper- ate properly ................................. 439
If the 12-volt battery is discharged ............................................................ 441
If your vehicle overheats ........... 446
If the vehicle becomes stuck ... 449
8-1. Specifications Maintenance data (fuel, oil level, etc.) ................................................. 452
Fuel information............................. 461
Tire information ............................ 463
8-2. Customization Customizable features ............... 472
8-3. Initialization Items to initialize ........................... 485
6Maintenance and care
7When trouble arises
8Vehicle specifications

13Pictorial index
Precautions for winter season ..................................................................................... P.286
To prevent freezing (windshield wiper de-icer)
*.................................................P.305
Precautions for car wash ................................................................................................ P.351
Fuel filler door ........................................................................................................ P.209
Refueling method .............................................................................................................P. 209
Fuel type/fuel tank capacity ......................................................................................... P.454
Tires.......................................................................................................................... .. P.374
Tire size/inflation pressure ............................ ................................................... P.374, 458
Winter tires/tire chains .................................................................................................. P.286
Checking/rotation/tire pressure warning system.............................................. P.374
Coping with flat tires........................................................................................................ P .424
Hood ..........................................................................................................................P.363
Opening ........................................................................................................................ ....... P.363
Engine oil ..................................................................................................................... .........P.455
Coping with overheating ............................................................................................... P.446
Warning messages .......................................................................................................... P.420
Headlights/front turn signal lights/front side marker lights ............ P.192, 198
Side turn signal lights ............................................................................................. P.192
Parking lights/daytime running lights................ ...............................................P.198
Fog lights/cornering lights
*...................................................................... P.198, 204
Rear side marker lights .........................................................................................P.198
Stop/tail lights ..........................................................................................................P.198
Back-up lights/rear turn signal lights ............. ......................................... P.192, 198
Shifting the shift lever to R .............................................................................................. P.189
License plate lights .................................................................................................P.198
*:If equipped
Light bulbs of the exterior lights for driving
(Replacing method: P. 392, Watts: P.460)
E
F
G
H
I
J
K
L
M
N
O

912-1. Instrument cluster
2
Vehicle status information and indicators
*4: This distance is computed based on your average fuel consumption. As a
result, the actual distance that can be
driven may differ from that displayed.
■Energy monitor
 P.99
■AWD Control
Displays the driving force applied to
each wheel using segments.
The greater the number of segments
displayed, the greater the driving force
applied.
■G-force (if equipped)
Displays lateral G-forces on the vehi-
cle. Also displays, around the periph-
ery of the G-force display, the left and
right steering amount, accelerator
pedal input, and brake fluid pressure.
Acceleration G-force on the vehi-
cle
Current G-force value (analyzed
value of front/rear and left/right
G-forces)
Record of the maximum G-forces
Accelerator pedal input
Brake fluid pressure
Steering amount
This display is intended for use as a guide- line. Depending on fact
ors such as the road
surface condition, temperature and vehicle
speed, the display may not show the actual
condition of the vehicle.
 Resetting the record of maximum
G-forces
Press and hold of the meter control
switch to reset the record.
Peak hold function
If lateral G-forces of 0.5 G or greater are
generated, the G-forc e value display will
turn amber and be held for 2 seconds.
■Tire pressure
 P.376
■Units (if equipped)
The units of measure used can be
changed while driving.
Unlike the units setting performed on the
settings display, th e units setting per-
formed on the drive information display
can be changed while driving.
■Blank (No items)
Displays no drive information contents.
■G-force display (if equipped)
●The G-force values may not be zero even
when the vehicle is parked, such as when
it is parked on an incline.
●Depending on the vehicle usage condi-
tions, the brake fluid pressure display may
not reach its maximum reading even
though the brake pedal is fully depressed.
●If a 12-volt battery terminal is discon-
nected and reconnect ed, the steering
amount display may be disabled tempo-
rarily. After driving th e vehicle for a while,
the display will be enabled.
■Tire pressure
• It may take a few minutes to display the tire inflation pressu re after the power
A
B
C
D
E
F

922-1. Instrument cluster
switch is turned to ON mode. It may also
take a few minutes to display the tire infla-
tion pressure after inflation pressure has
been adjusted.
• “---” may be displayed if the tire position information cannot be determined due to
unfavorable radio wave conditions.
• Tire inflation pressu re changes with tem-
perature. The displayed values may also
be different from the values measured
using a tire pressure gauge.
Select to display the following naviga-
tion system-linked information.
 Route guidance
 Compass display (heading-up dis-
play)
Select to enable selection of an audio
source or track on the meter using the
meter control switches.
Select to display the operational status
of the following systems:
 LTA (Lane Tracing Assist) ( P.225)
 RSA (Road Sign Assist) (if
equipped) ( P.234)
 Dynamic radar cruise control with
full-speed range ( P.236)
■Meter display settings that can be
changed
 Clock
Select to switch between 12-hour display
and 24-hour display.
Language
Select to change t he language displayed.
Units
Select to change the units of measure dis-
played.
 EV indicator ( P.187)
Select to enable/disab le the EV indicator.
 Switch settings
Select to display how to change the top
screen.
Drive information 1/Drive informa-
tion 2/Drive information 3
Select to select up to 2 items ( P.90) that
will be displayed on each Drive information
screen (Drive information 1 screen, Drive
information 2 screen, and Drive informa-
tion 3 screen) respectively.
 Pop-up display
Select to enable/dis able the pop-up dis-
play.
• Intersection guidance
• Incoming calls
• Brightness adjustment
 Color (except F SPORT models)
Select to set the color of the cursor on the
multi-information display.
Tachometer setting
Select to set the tachometer or Hybrid
System Indicator to always be displayed or
Navigation system-linked dis-
play (if equipped)
Audio system-linked display
Driving assist system information
Settings display

2244-5. Using the driving support systems
• If a vehicle ahead is a child sized bicycle, a bicycle that is carrying a large load, a
bicycle ridden by more than one person,
or a uniquely shaped bicycle (bicycle with
a child seat, tandem bicycle, etc.)
• If a pedestrian/or the riding height of a
bicyclist ahead is shorter than approxi-
mately 3.2 ft. (1 m) or taller than approxi-
mately 6.5 ft. (2 m)
• If a pedestrian/bicyclist is wearing over- sized clothing (a rain coat, long skirt,
etc.), making their silhouette obscure
• If a pedestrian is bending forward or squatting or bicyclist is bending forward
• If a pedestrian/bicyc list is moving fast
• If a pedestrian is pushing a stroller, wheel- chair, bicycle or other vehicle
• When driving in inclement weather such
as heavy rain, fog, snow or a sandstorm
• When driving through steam or smoke
• When the surrounding area is dim, such as at dawn or dusk, or while at night or in
a tunnel, making a detectable object
appear to be nearly the same color as its
surroundings
• When driving in a place where the sur- rounding brightness changes suddenly,
such as at the entrance or exit of a tunnel
• After the hybrid system has started the vehicle has not been driven for a certain
amount of time
• While making a left/right turn and for a few seconds after making a left/right turn
• While driving on a curve and for a few seconds after driving on a curve
• If your vehicle is skidding
• If the front of the vehicle is raised or low-
ered
• If the wheels are misaligned
• If a wiper blade is blocking the front cam- era
• The vehicle is being driven at extremely
high speeds
• When driving on a hill • If the radar sensor or front camera is mis-
aligned
●In some situations su ch as the following,
sufficient braking force may not be
obtained, preventing the system from
performing properly:
• If the braking functions cannot operate to their full extent, such as when the brake
parts are extremely cold, extremely hot,
or wet
• If the vehicle is not properly maintained
(brakes or tires are excessively worn,
improper tire inflation pressure, etc.)
• When the vehicle is being driven on a
gravel road or other slippery surface
■If VSC is disabled
●If VSC is disabled ( P.280), the
pre-collision brake assist and pre-colli-
sion braking functions are also disabled.
●The PCS warning light will turn on and
“VSC Turned Off Pre-Collision Brake
System Unavailable” will be displayed on
the multi-information display.

2854-6. Driving tips
4
Driving
Control and maintain the vehicle at a
constant speed. Before stopping at a
toll booth or similar, allow plenty of
time to release the accelerator and
gently apply the brakes. A greater
amount of electrical energy can be
regenerated when slowing down.
Use the air conditioning only when
necessary. Doing so can help reduce
excessive gasoline consumption.
In summer: When the ambient tem-
perature is high, use the recirculated
air mode. Doing so will help to reduce
the burden on the air conditioning sys-
tem and reduce fuel consumption as
well.
In winter: Because the gasoline engine
will not automatically cut out until it and
the interior of the vehicle are warm, it
will consume fuel. Also, fuel consump-
tion can be improved by avoiding over-
use of the heater.
Make sure to check the tire inflation
pressure frequently. Improper tire infla-
tion pressure can cause poor fuel
economy.
Also, as snow tires can cause large
amounts of friction, their use on dry
roads can lead to poor fuel economy.
Use tires that are appropriate for the
season. Carrying heavy luggage will lead to
poor fuel economy. Avoid carrying
unnecessary luggage.
Installing a large
roof rack will also cause poor fuel
economy.
Since the gasoline engine starts up and
cuts out automatically when cold,
warming up the engine is unnecessary.
Moreover, frequently driving short dis-
tances will cause the engine to repeat-
edly warm up, which can lead to excess
fuel consumption.
Highway driving
Air conditioning
Checking tire inflation pressure
Luggage
Warming up before driving

349
6
6
Maintenance and care
Maintenance and care
.6-1. Maintenance and careCleaning and protecting the vehi-cle exterior ................................ 350
Cleaning and protecting the vehi- cle interior ................................. 353
6-2. Maintenance Maintenance requirements........................................................ 356
General maintenance ............. 357
Emission inspection and mainte- nance (I/M) programs ......... 360
6-3. Do-it-yourself maintenance Do-it-yourself service precautions......................................................... 361
Hood............................................... 363
Positioning a floor jack............ 363
Engine compartment............... 365
12-volt battery............................. 370
Tires ................................................ 374
Tire inflation pressure.............. 380
Wheels........................................... 382
Air conditioning filter...............383
Windshield wiper inserts........ 385
Electronic key battery ............. 386
Checking and replacing fuses ........................................................ 388
Headlight aim.............................. 390
Light bulbs .................................... 392