2022 LEXUS ES300h oil

3236-3. Do-it-yourself maintenance
6
Maintenance and care
Fuse boxes (P.349)
Engine oil filler cap ( P.324)
Engine oil level dipstick ( P.323)
Brake fluid reservoir ( P.327)
Radiator ( P.326)
Electric cooling fan
Condenser ( P.326)
Power control unit coolant reservoir ( P.326)
Engine coolant reservoir ( P.325)
Washer fluid tank ( P.327)
Q12-volt battery
 P.328
With the engine at operating tempera-
ture and turned off, check the oil level
Engine compartment
Components
A
B
C
D
E
F
G
H
I
J
Checking and adding the engine
oil

3246-3. Do-it-yourself maintenance
on the dipstick.
QChecking the engine oil
1 Park the vehicle on level ground.
After warming up the engine and turning
off the hybrid system, wait more than 5
minutes for the oil to drain back into the
bottom of the engine.
2Holding a rag under the end, pull
the dipstick out.
3 Wipe the dipstick clean.
4 Reinsert the dipstick fully.
5 Holding a rag under the end, pull
the dipstick out and check the oil
level.
Low
Normal
Excessive
The shape of the dipstick may differ
depending on the type of vehicle or
engine.
6Wipe the dipstick and reinsert it
fully.
QChecking the oil type and prepar-
ing the items needed
Make sure to check the oil type and
prepare the items needed before add-
ing oil.
 Engine oil selection
P.404
 Oil quantity (Low  Full)
1.6 qt. (1.5 L, 1.3 Imp.qt.)
 Item
Clean funnel
QAdding engine oil
If the oil level is below or near the low
level mark, add engine oil of the same
type as that already in the engine.
1 Remove the oil filler cap by turning
it counterclockwise.
2 Add engine oil slowly, checking the
dipstick.
3 Install the oil filler cap by turning it
clockwise.
QEngine oil consumption
A certain amount of engine oil will be con-
sumed while driving. In the following situa-
tions, oil consumption may increase, and
engine oil may need to be refilled in
A
B
C

3256-3. Do-it-yourself maintenance
6
Maintenance and care
between oil maintenance intervals.
OWhen the engine is new, for example
directly after purchasing the vehicle or
after replacing the engine
OIf low quality oil or oil of an inappropriate
viscosity is used
OWhen driving at high engine speeds or
with a heavy load, or when driving while
accelerating or decelerating frequently
OWhen leaving the engine idling for a long
time, or when driving frequently through
heavy traffic
QAfter changing the engine oil
The engine oil maintenance data should be
reset. Perform the following procedures:
1 While the vehicle is stopped, press
of the meter control switches.
2 Press or of the meter control
switches, and select .
3 Press or of the meter control
switches, select “Vehicle Settings”, and
then press “OK”.
4 Press or of the meter control
switches, select “O il Maintenance”, and
then press “OK”.
5 Select “Yes” and then press “OK”.
A message will be displayed on the multi-
information display when the reset proce-
dure has been completed.
The coolant level is satisfactory if it is
between the “F”/“FULL” and
“L”/“LOW” lines on the reservoir when
the hybrid system is cold.
QEngine coolant reservoir
WARNING
QUsed engine oil
OUsed 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.
ODispose of used oil an d 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.
ODo not leave used engine oil within the
reach of children.
NOTICE
QTo prevent serious engine damage
Check the oil level on a regular basis.
QWhen replacing the engine oil
OBe careful not to spill engine oil on the
vehicle components.
OAvoid overfilling, or the engine could
be damaged.
OCheck the oil level on the dipstick
every time you refill the vehicle.
OBe sure the engine oil filler cap is prop-
erly tightened.
Checking the coolant

3556-3. Do-it-yourself maintenance
6
Maintenance and care
bumper.
8Engage the clips to the front
bumper to install the fender liner,
and then remove the protective
tape.
WARNING
QReplacing light bulb
OTurn off the light. Do not attempt to
replace the bulb immediately after
turning off the light.
The bulb become very hot and may
cause burns.
ODo not touch the glass portion of the
light bulb with bare hands. When it is
unavoidable to hold the glass portion,
use and hold with a clean dry cloth to
avoid getting moisture and oils on the
bulb.
Also, if the bulb is scratched or
dropped, it may blow out or crack.
OFully install light bulb and any parts
used to secure it. Failure to do so may
result in heat damage, fire, or water
entering the light unit. This may dam-
age the light or cause condensation to
build up on the lens.
QTo prevent damage or fire
OMake sure bulb is fully seated and
locked.
OCheck the wattage of the bulb before
installing to prevent heat damage.

3657-2. Steps to take in an emergency
7
When trouble arises
QCharging system warning light* (warning buzzer)
*: This light illuminates on the multi-information display.
QLow engine oil pressure warning light* (warning buzzer)
*: This light illuminates on the multi-information display.
QMalfunction indicator lamp (warning buzzer)
QSRS warning light (warning buzzer)
Warning lightDetails/Actions
Indicates a malfunction in the vehicle’s charging system
Immediately stop the vehicle in a safe place and contact your
Lexus dealer.
Warning lightDetails/Actions
Indicates that the engine oil pressure is too low
 Immediately stop the vehicle in a safe place and contact your
Lexus dealer.
Warning lightDetails/Actions
(U.S.A.)
or
(Canada)
Indicates a malfunction in:
The hybrid system;
 The electronic engine control system; or
 The electronic throttle control system
 Immediately stop the vehicle in a safe place and contact your
Lexus dealer.
Warning lightDetails/Actions
Indicates a malfunction in:
The SRS airbag system;
 The front passenger occupant classification system; or
 The seat belt pretensioner system
 Have the vehicle inspected by your Lexus dealer immediately.

3767-2. Steps to take in an emergency
*: A buzzer sounds the first time a message is shown on the multi-information display.
In some situations, the master warning light and warning buzzer may not oper-
ate as specified. In this case, follow the instructions displayed in the warning
message.
 If a warning light comes on or flashes at the same time that a warning message is
displayed, take corrective action according to the warning light. ( P.364)
QWarning messages
The warning messages explained below
may differ from the actual messages
according to operation conditions and vehi-
cle specifications.
QWarning buzzer
In some cases, the buzzer may not be heard
due to being in a noisy location or audio
sound.
QIf “Engine Oil Level Low Add or
Replace” is displayed
The engine oil level is low. Check the level
of the engine oil, and add if necessary.
This message may appear if the vehicle is
stopped on a slope. Move the vehicle to a
level surface and check to see if the mes-
sage disappears.
QIf “Hybrid System Stopped Steering
Power Low” is displayed
This message is displayed if the hybrid sys-
tem is stopped while driving.
When steering wheel operations are
heavier than usual, grip the steering wheel
firmly and operate it using more force than
usual.
QIf “Hybrid system overheated Output
power reduced” is displayed
This message may be displayed when driv-
ing under severe operating conditions. (For
example, when driving up a long steep hill.)
Handling method:  P.396
QIf “Traction Battery Needs to be Pro-
tected Refrain From the Use of N Posi-
tion” is displayed
This message may be displayed when the
shift lever is in N.
As the hybrid battery (traction battery) can
not be charged when the shift lever is in N,
shift the shift lever to P when the vehicle is
stopped.
QIf “Traction Battery Needs to be Pro-
tected Shift into P to Restart” is dis-
played
This message is displayed when the hybrid
battery (traction battery) charge has
become extremely low because the shift
lever has been left in N for a certain amount
of time.
When operating the vehicle, shift to P and
restart the hybrid system.
QIf “Shift to P Before Exiting Vehicle” is
displayed
Message is displayed when the driver’s
door is opened without turning the power
Comes onDoes not sound
Indicates a condition, such as malfunction of electri-
cal components, their cond ition, or indicates the
need for maintenance
FlashesDoes not sound
Indicates a situation, such as when an operation has
been performed incorrectly, or indicates how to
perform an operation correctly
Warning buzzer*Warning

3787-2. Steps to take in an emergency
ment” for the maintenance interval
applicable to your vehicle.
QIf “Maintenance Required Visit Your
Dealer” is displayed
Indicates that all maintenance is required to
correspond to the driven distance on the
maintenance schedule
*.
Comes on approximately 5000 miles
(8000 km) after the message has been
reset. (The indicator will not work properly
unless the message has been reset.) Per-
form the necessary maintenance. Please
reset the message after the maintenance is
performed. ( P.314)
*: Refer to the separate “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the maintenance interval
applicable to your vehicle.
QIf “Oil Maintenance Required Soon” is
displayed
Indicates that the engine oil should be
scheduled to be changed.
Check the engine oil an d change it if neces-
sary. After changing the engine oil, make
sure to reset the message. ( P.314)
QIf “Oil Maintenance Required” is dis-
played
Indicates that the engine oil should be
changed.
Check and change the engine oil, and oil fil-
ter by your Lexus dealer. After changing
the engine oil, make sure to reset the mes-
sage. ( P.325)
QIf a message that indicates the need for
visiting your Lexus dealer is displayed
The system or part shown on the multi-
information display is malfunctioning. Have
the vehicle inspected by your Lexus dealer
immediately.
QIf a message that indicates the need for
referring to Owner’s Manual is dis-
played
OIf any of the following messages are
shown on the multi-information display,
follow the instructions.
• “Engine Coolant Temp High” ( P.396)
OIf any of the following messages are
shown on the multi-information display, it
may indicate a malfunction. Have the
vehicle inspected by your Lexus dealer
immediately.
• “Access System with Elec. Key Malfunc-
tion”
• “Hybrid system malfunction”
•“Check Engine”
• “Hybrid battery system malfunction”
• “Accelerator system malfunction”
OIf any of the following messages are
shown on the multi-information display, it
may indicate a malfunction. Immediately
stop the vehicle and contact your Lexus
dealer.
•“Braking Power Low”
• “Charging System Malfunction”
• “Oil Pressure Low”
OIf any of the following messages are
shown on the multi-information display,
the vehicle may have run out of fuel. Stop
the vehicle in a safe place and, if the fuel
level is low, refuel the vehicle. ( P.62)
• “Hybrid system stopped”
• “Engine stopped”
OIf “Low Auxiliary Battery” is shown
• When the display goes off after several
seconds
*:
Maintain the hybrid system operation for
more than 15 minutes and charge the 12-
volt battery.
• When the display does not go off:
Start up the hybrid system using the proce-
dures for “If the 12-volt battery is dis-
charged” ( P.391).
*: Displays for about 6 seconds
OIf “Maintenance required for Traction
battery cooling parts” is shown, the filter
may be clogged, the air intake vent may
be blocked, or there may be a gap in the
duct. Therefore, perform the following
correction procedure.
• If the air intake vent and filter of the
hybrid battery (traction battery) are dirty,
perform the procedure on P.343 to
clean them.
• If the warning message is shown when the air intake vent and filter of the hybrid

3847-2. Steps to take in an emergency
1Remove any dirt or foreign matter
from the wheel contact surface.
If foreign matter is on the wheel contact
surface, the wheel nuts may loosen while
the vehicle is in motion, causing the tire to come off.
2
Install the spare tire and loosely
tighten each wheel nut by hand by
approximately the same amount.
Tighten the wheel nuts until the tapered
portion comes into loose contact with
the disc wheel seat .
3Lower the vehicle.
4 Firmly tighten each wheel nut two
or three times in the order shown in
the illustration.
Tightening torque:
WARNING
OFailure to follow these precautions
could cause the wheel nuts to loosen
and the tire to fall off, resulting in death
or serious injury.
• Never use oil or grease on the wheel bolts or wheel nuts.
Oil and grease may cause the wheel
nuts to be excessively tightened, lead-
ing to bolt or disc wheel damage. In
addition, the oil or grease can cause
the wheel nuts to loosen and the wheel
may fall off, causing a serious accident.
Remove any oil or grease from the
wheel bolts or wheel nuts.
• Have the wheel nuts tightened with a torque wrench to 76 ft•lbf (103 N•m,
10.5 kgf•m) as soon as possible after
changing wheels.
• When installing a tire, only use wheel nuts that have been specifically
designed for that wheel.
• If there are any cracks or deformations in the bolt screws, nut threads or bolt
holes of the wheel, have the vehicle
inspected by your Lexus dealer.
• Do not attach a heavily damaged wheel ornament, as it may fly off the
wheel while the vehicle is moving.
Installing the spare tire
A
B