tow LEXUS RX450h 2022 Workshop Manual

3245-5. Using the storage features
Pull down the hook to use.
The cargo hooks are provided for securing
loose items.
RX450h
RX450hL
To hang the cargo net, use the cargo
net hooks and rear cargo hooks. To use the grocery bag hook, push it in.
RX450h
RX450hL
Luggage compartment fea-
tures
Cargo hooks
WARNING
■When cargo hooks are not in use
To avoid injury, always return the hooks
to their stowed positions when not in use.
Cargo net hooks
WARNING
■When the cargo net is not in use
To avoid injury, always return the hooks
to their stowed positions when not in use.
Grocery bag hooks

3265-5. Using the storage features
RX450h: After removing the luggage
cover, place it somewhere other than the
passenger compartment.
RX450hL: Stow the luggage cover under
the deck board and side auxiliary box
cover.
1 Pull the lever up and fold the flap of
the deck board. 2
Lift the deck board and disengage
the hook on the underside of the
deck board.
3 Attach the hook to the upper edge
of the back door opening as shown.
Deck floor box
WARNING
■Luggage cover
●Do not place anything on the luggage
cover. In the event of sudden braking
or turning, the item may go flying and
strike an occupant. This could lead to
an unexpected acci dent, resulting in
death or serious injury.
●Do not allow children to climb on the
luggage cover. Climbing on the lug-
gage cover could result in damage to
the luggage cover, possibly causing
death or serious injury to the child.
Auxiliary boxes (RX450h)

3315-6. Using the other interior features
5
Interior features
light (orange) will be illuminated.
If charging does not begin, move the porta-
ble device as close to the center of the
charging area as possible.
When charging is complete, the operation
indicator light (green) will illuminate.
■Recharging function
 If a certain amount of time has
elapsed since charging completed
and the portable device has not
been moved, the wireless charger
will restart charging.
 If the portable device is moved
within the charging area, charging
will stop temporarily then restart.
■Operation indicator light status
*: Depending on the portable device, the
operation indicator light may stay illumi-
nated (orange) afte r charging has com-
pleted.
■If the operation indicator light
blinks
If an error is dete cted, the operation
indicator light will blink (orange). Take
the appropriate measures according to
the table below.
 Blinks (orange) at a one second
interval continuously
 Blinks (orange) 3 times repeatedly
 Blinks (orange) 4 times repeatedly
■The wireless charger can be operated
when
The power switch is in ACCESSORY or
Operation indica- tor lightState
OffThe Wireless charger
is off
Green (illumi-
nated)
Standby (charging is
possible)
Charging is complete*
Orange (illumi-
nated)
A portable device has
been placed on the
charging area (identi-
fying the portable
device)
Charging in progress
Suspected causesMeasure
Vehicle to char-
ger communica-
tion failure.Contact your Lexus
dealer.
Suspected causesMeasure
A foreign object
exists between
the portable
device and
charging area.
Remove the foreign
object.
Portable device is
not positioned
properly on the
charging area.Move the portable
device toward the cen-
ter of the charging
area.
Suspected causesMeasure
The temperature
of the wireless
charger is exces-
sively high.Stop charging immedi-
ately and continue
charging after a while.

3365-6. Using the other interior features
WARNING
■Caution while driving
When charging a portable device while
driving, for safety reasons, the driver
should not operate th e portable device.
■Caution regarding interference with
electronic devices
People with implantable cardiac pace-
makers, cardiac resynchronization 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.
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 the possibil-
ity of fire, equipment failure or damage,
or burns due to heat.
●Do not put any metallic objects
between the charging area and the
portable device while charging.
●Do not attach metallic objects, such as
aluminum stickers, to the charging
area.
●Do not cover the wireless charger with
a cloth or other obje ct while charging.
●Do not attempt to charge portable
devices which are not compatible with
the Qi wireless charging standard.
●Do not disassemble, modify or remove
the wireless charger.
●Do not apply force or impact to the
wireless charger.
NOTICE
■Conditions in which the wireless
charger may not operate correctly
In the following situations, the wireless
charger may not operate correctly:
●When a portable device is fully
charged
●When there is a foreign object
between the charging area and porta-
ble device
●When a portable device becomes hot
while charging
●When a portable device is placed on
the wireless area with its charging sur-
face facing up
●When a portable device is not cen-
tered on the charging area
●When the vehicle is near a TV tower,
electric power plant, gas station, radio
station, large display, airport or other
facility that gene rates strong radio
waves or electrical noise
●When the portable device is in contact
with, or is covered by any of the follow-
ing metallic objects:
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
•Coins
• Metal hand warmers
• Media such as CDs and DVDs
●When wireless keys (that emit radio
waves) other than those of your vehicle
are being used nearby.
If in situations other than above the wire-
less charger does not operate properly
or the operation indicator light is blink-
ing, the wireless charger may be mal-
functioning. Contact your Lexus dealer.

3475-6. Using the other interior features
5
Interior features
●The vehicle is on an inclined surface.
●The vehicle is in a place where the earth’s
magnetic field is subject to interference
by artificial magnetic fields (under-
ground car park/parking lot, under a
steel tower, between buildings, roof car
park/parking lot, near an intersection,
near a large vehicle, etc.).
●The vehicle has become magnetized.
(There is a magnet or metal object near
the inside rear view mirror.)
●The battery has been disconnected.
●A door is open.
■Deviation
The direction display deviates from the tr ue direction determined by the earth’s
magnetic field. The amount of deviation varies according to the geographic posi-
tion of the vehicle.
If you cross over a map boundary shown in illustration, the compass will deviate.
To obtain higher precision or perfec t calibration, refer to the following.
■Deviation calibration 1Stop the vehicle.
WARNING
■While driving the vehicle
Do not adjust the display. Adjust the dis-
play only when the vehicle is stopped.
NOTICE
■To avoid compass malfunctions
Do not place magnets or any metal
objects near the inside rear view mirror.
Doing this may cause the compass sen-
sor to malfunction.
■To ensure normal operation of the
compass
●Do not perform a circling calibration of
the compass in a place where the
earth’s magnetic field is subject to
interference by artificial magnetic
fields.
●During calibration, do not operate
electric systems (moon roof, pan-
oramic moon roof, power windows,
etc.) as they may interfere with the cal-
ibration.
Calibrating the compass

3536-1. Maintenance and care
6
Maintenance and care
Remove dirt and dust using a vac-
uum cleaner. Wipe dirty surfaces
with a cloth dampened with luke-
warm water.
 If dirt cannot be removed, wipe it off
with a soft cloth dampened with
neutral detergent diluted to approx-
imately 1%.
Wring out any excess water from
the cloth and thoroughly wipe off
remaining traces of detergent and
water.
■Shampooing the carpets
There are several commercial foaming-type
cleaners available. Use a sponge or brush
to apply the foam. Rub in overlapping cir-
cles. Do not use water. Wipe dirty surfaces
and let them dry. Excellent results are
obtained by keeping the carpet as dry as
possible.
■Handling the seat belts
Clean with mild soap and lukewarm water
using a cloth or spon ge. Also check the
belts periodically for excessive wear, fraying
or cuts.
NOTICE
●Vehicles with towing package: Do not
point the nozzle of a high pressure
washer at the areas shown in the illus-
tration, as high pressure water may
damage the oil cooler.
Cleaning and protecting the
vehicle interior
Perform cleaning in a manner
appropriate to each component
and its material.
Protecting the vehicle interior

3616-3. Do-it-yourself maintenance
6
Maintenance and care
6-3.Do-it-yourself maintenance
Do-it-yourself service pre-
cautions
If you perform maintenance by
yourself, be sure to follow the cor-
rect procedure as given in these
sections.
Maintenance
ItemsParts and tools
12-volt battery
condition
(P.370)•Grease
• Conventional
wrench (for terminal
clamp bolts)
Brake fluid level
(P.369)
• FMVSS No.116 DOT
3 or SAE J1703
brake fluid
• Rag or paper towel
• Funnel (used only for adding brake fluid)
Engine/power
control unit cool-
ant level
( P.367)
• “Toyota Super Long
Life Coolant” or a
similar high quality
ethylene gly-
col-based non-sili-
cate, non-amine,
non-nitrite and
non-borate coolant
with long-life hybrid
organic acid tech-
nology
For the U.S.A.:
“Toyota Super Long
Life Coolant” is
pre-mixed with 50%
coolant and 50%
deionized water.
For Canada:
“Toyota Super Long
Life Coolant” is
pre-mixed with 55%
coolant and 45%
deionized water.
•Funnel (used only for adding coolant)
Engine oil level
( P.365)
•“Toyota Genuine
Motor Oil” or equiv-
alent
• Rag or paper towel
•Funnel (used only for adding engine oil)
Fuses ( P.388)
•Fuse with same
amperage rating as
original
Headlight aim
( P.390)• Phillips-head screw-
driver
ItemsParts and tools

3676-3. Do-it-yourself maintenance
6
Maintenance and care
●When the engine is new, for example
directly after purchasing the vehicle or
after replacing the engine
●If low quality oil or oil of an inappropriate
viscosity is used
●When driving at high engine speeds or
with a heavy load, wh en towing, or when
driving while accelera ting or decelerat-
ing frequently
●When leaving the engine idling for a long
time, or when driving frequently through
heavy traffic
■After changing the engine oil
The engine oil maintena nce data should be
reset. Perform the following procedures:
1 Press or of the meter control
switch to select on the multi-infor-
mation display.
2 Press or of the meter control
switch, select the “Vehicle Settings”
then “Oil Maintenance”. (To confirm
setting, press .)
3 Select the “Yes” and press .
4 A message is displayed on the
multi-information display.
■Engine coolant reservoir
The coolant level is satisfactory if it is
between the “FULL” and “LOW” lines
on the reservoir when the hybrid sys-
tem is cold.
Reservoir cap
“FULL” line
“LOW” line
If the level is on or below the “LOW” line,
add coolant up to the “FULL” line.
(P.446)
WARNING
■Used engine oil
●Used engine oil contains potentially
harmful contaminants which may
cause skin disorders such as inflamma-
tion and skin cancer, so care should be
taken to avoid prolonged and
repeated contact. To remove used
engine oil from your skin, wash thor-
oughly with soap and water.
●Dispose of used oil and filters only in a
safe and acceptable manner. Do not
dispose of used oil and filters in house-
hold trash, in sewers or onto the
ground.
Call your Lexus dealer, service station
or auto parts store for information
concerning recycling or disposal.
●Do not leave used engine oil within the
reach of children.
NOTICE
■To prevent serious engine damage
Check the oil level on a regular basis.
■When replacing the engine oil
●Be careful not to spill engine oil on the
vehicle components.
●Avoid overfilling, or the engine could
be damaged.
●Check the oil level on the dipstick
every time you re fill the vehicle.
●Be sure the engine o il filler cap is prop-
erly tightened.
Checking the coolant
A
B
C

3756-3. Do-it-yourself maintenance
6
Maintenance and care
inspected at your Lexus dealer.
■Maximum load of tire
Check that the maximum load of the
replacement tire is greater than 1/2 of the
Gross Axle Weight Ratings (GAWR) of
either the front axle or the rear axle, which-
ever is greater.
For the GAWR, see the Certification Label.
For the maximum load of the tire, see the
load limit at maximum cold tire inflation
pressure mentioned on the sidewall of the
tire. ( P.463)
■Tire types
●Summer tires
Summer tires are high-speed performance
tires best suited to highway driving under
dry conditions. Since summer tires do not
have the same traction performance as
snow tires, summer tires are inadequate for
driving on snow-covered or icy roads. For
driving on snow-covered roads or icy
roads, the use of snow tires is recom-
mended. When installing snow tires, be
sure to replace all four tires.
●All season tires
All season tires are designed to provide
better traction in snow and to be adequate
for driving in most winter conditions as well
as for use year-round. All season tires,
however, do not have adequate traction
performance compared with snow tires in
heavy or loose snow. Also, all season tires
fall short in accelera tion and handling per-
formance compared with summer tires in
highway driving.
●Snow tires
For driving on snow-covered roads or icy roads, we recommend us
ing snow tires. If
you need snow tires, select tires of the
same size, construction and load capacity
as the originally installed tires. Since your
vehicle has radial tires as original equip-
ment, make sure your snow tires also have
radial construction. Do not install studded
tires without first checking local regula-
tions for possible restrictions. Snow tires
should be installe d on all wheels.
( P.286)
■If the tread on snow tires wears down
below 0.16 in. (4 mm)
The effectiveness of the tires as snow tires is
lost.
WARNING
■When inspecting or replacing tires
Observe the following precautions to
prevent accidents.
Failure to do so may cause damage to
parts of the drive train as well as danger-
ous handling characteristics, which may
lead to an accident resulting in death or
serious injury.
●Do not mix tires of different makes,
models or tread patterns.
Also, do not mix tires of remarkably
different treadwear.
●Do not use tire sizes other than those
recommended by Lexus.
●Do not mix differently constructed
tires (radial, bias-belted or bias-ply
tires).
●Do not mix summer, all season and
snow tires.
●Do not use tires that have been used
on another vehicle.
Do not use tires if you do not know
how they were used previously.
●Do not tow if your vehicle has a com-
pact spare tire installed.

3776-3. Do-it-yourself maintenance
6
Maintenance and care
■Situations in which the tire pressure
warning system may not operate prop-
erly
●In the following cases, the tire pressure
warning system may not operate prop-
erly.
• If non-genuine Lexus wheels are used.
• A tire has been replaced with a tire that is
not an OE (Original Equipment) tire.
• A tire has been replaced with a tire that is
not of the specified size.
• Tire chains, etc. are equipped.
• If a window tint that affects the radio wave signals is installed.
• If there is a lot of snow or ice on the vehi- cle, particularly around the wheels or
wheel housings.
• If the tire inflation pressure is extremely higher than the specified level.
• If wheel without the tire pressure warning
valve and transmitter is used.
• If the ID code on the tire pressure warn- ing valves and transm itters is not regis-
tered in the tire pressure warning
computer.
●Performance may be affected in the fol-
lowing situations.
• Near a TV tower, electric power plant,
gas station, radio stat ion, large display,
airport or other faci lity that generates
strong radio waves or electrical noise
• When carrying a portable radio, cellular phone, cordless phon e or other wireless
communication device
If tire position information is not correctly
displayed due to the radio wave conditions,
the display may be corrected by driving and
changing the radio wave conditions.
●When the vehicle is parked, the time
taken for the warning to start or go off
could be extended.
●When tire inflation pressure declines rap-
idly for example when a tire has burst, the
warning may not function.
■Warning performance of the tire pres-
sure warning system
The warning of the tire pressure warning
system will change in accordance with the
conditions under which it was initialized. For
this reason, the system may give a warning
even if the tire pressure does not reach a low enough level, or if the pressure is higher
than the pressure that was adjusted to when
the system was initialized.
When replacing tires or wheels, tire
pressure warning valves and transmit-
ters must also be installed.
When new tire pressure warning
valves and transmitters are installed,
new ID codes must be registered in the
tire pressure warning computer and
the tire pressure warning system must
be initialized. Have tire pressure warn-
ing valve and transmitter ID codes reg-
istered by your Lexus dealer.
(
 P.379)
■Replacing tires and wheels
If the ID code of the tire pressure warning
valve and transmitter is not registered, the
tire pressure warning system will not work
properly. After drivin g for about 20 min-
utes, the tire pressure warning light blinks
for 1 minute and stays on to indicate a sys-
tem malfunction.
Installing tire pressure warning
valves and transmitters
NOTICE
■Repairing or replac ing tires, wheels,
tire pressure warning valves, trans-
mitters and tire valve caps
●When removing or fitting the wheels,
tires or the tire pressure warning
valves and transmitters, contact your
Lexus dealer as the tire pressure warn-
ing valves and transmitters may be
damaged if not handled correctly.
●Make sure to install the tire valve caps.
If the tire valve caps are not installed,
water could enter the tire pressure
warning valves and the tire pressure
warning valves could be bound.