maintenance LEXUS ES300h 2021 Repair Manual

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 actio n according to the warning light. ( P.365)
■Warning messages
The warning messages explained below
may differ from the actual messages
according to operation conditions and vehi-
cle specifications.
■Warning buzzer
In some cases, the bu zzer may not be heard
due to being in a noisy location or audio
sound.
■If “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.
■If “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, gr
ip the steering wheel
firmly and operate it using more force than
usual.
■If “Hybrid system overheated Output
power reduced” is displayed
This message may be displayed when driv-
ing under severe operat ing conditions. (For
example, when driving up a long steep hill.)
Handling method:  P.396
■If “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.
Warning buzzer*Warning
Comes onSounds
Indicates an important situation, such as when a sys-
tem related to driving is ma lfunctioning or that dan-
ger may result if the co rrection procedure is not
performed
FlashesSoundsIndicates a situation, such as when damage to the
vehicle or danger may result
Comes onDoes not sound
Indicates a condition, such as malfunction of electri-
cal components, their condition, 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

3777-2. Steps to take in an emergency
7
When trouble arises
■If “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.
■If “Shift to P Before Exiting Vehicle” is
displayed
Message is displayed when the driver’s
door is opened with out turning the power
switch off with the shift lever in any position
other than P.
Shift the shift lever to P.
■If “Shift is in N Release accelerator
before shifting” is displayed
The accelerator pedal has been depressed
when the shift lever is in N.
Release the accelerator pedal and shift the
shift lever to D or R.
■If “Accelerator pedal is pressed” is dis-
played
The accelerator pedal has been depressed
when the shift lever is in P.
Release the accelerator pedal.
■If “Press brake when vehicle is stopped
Hybrid system may overheat” is dis-
played
The message may be displayed when the
accelerator pedal is depressed to hold the
vehicle while the vehicle is stopped on an
incline, etc. The hybrid system may over-
heat. Release the accelerator pedal and
depress the brake pedal.
■If “Auto Power Off to Conserve Bat-
tery” is displayed
Power was turned off due to the automatic
power off function. Next time when starting
the hybrid system, operate the hybrid sys-
tem for approximately 5 minutes to
recharge the 12-volt battery.
■If “High Power Cons umption Power to
Climate Temporarily Limited” is dis-
played
Turn off unnecessary electronic equipment
to reduce power consumption.
Please wait until the power supply returns
to normal.
■If “Headlight System Malfunction Visit
Your Dealer” is displayed
The following systems may be malfunction-
ing. Have the vehicle inspected by your
Lexus dealer immediately.
●The LED headlight system
●AFS (Adaptive Front-lighting System)
●The automatic headlight leveling system
(if equipped)
●Automatic High Beam
■If “Radar Cruise Control Unavailable
See Owner’s Manual” is shown
The dynamic radar cruise control with full-
speed range system is suspended tempo-
rarily or until the pr oblem shown in the mes-
sage is resolved. (causes and coping
methods: P.178)
■If “Radar Cruise Control Unavailable” is
shown
The dynamic radar cruise control with full-
speed range system cannot be used tempo-
rarily. Use the system when it becomes
available again.
■If a message that indicates the malfunc-
tion of front camera is displayed
The following systems may be suspended
until the problem shown in the message is
resolved. ( P.178, 365)
●PCS (Pre-Collision System)
●LTA (Lane Tracing Assist)
●Automatic High Beam
●RSA (Road Sign Assist) (if equipped)
●Dynamic radar cruise control with full-
speed range
■If “Maintenance Required Soon” is dis-
played
Indicates that all maintenance according to
the driven distance on the maintenance

3787-2. Steps to take in an emergency
schedule* should be performed soon.
Comes on approximately 4500 miles
(7200 km) after the message has been
reset. If necessary, perform maintenance.
Please reset the message after the mainte-
nance is performed. ( P.312)
*: Refer to the separa te “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the maintenance interval
applicable to your vehicle.
■If “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 ha s been reset.) Per-
form the necessary maintenance. Please
reset the message after the maintenance is
performed. ( P.312)
*: Refer to the separa te “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the maintenance interval
applicable to your vehicle.
■If “Oil Maintenance Required Soon” is
displayed
Indicates that the engine oil should be
scheduled to be changed.
Check the engine oil and change it if neces-
sary. After changing the engine oil, make
sure to reset the message. ( P.312)
■If “Oil Maintenance Required” is dis-
played
Indicates that the engine oil should be
changed.
Check and change the en gine oil, and oil fil-
ter by your Lexus de aler. After changing
the engine oil, make sure to reset the mes-
sage. ( P.323)
■If a message that in dicates 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.
■If a message that indicates the need for
referring to Owner’
s Manual is dis-
played
●If any of the following messages are
shown on the multi-information display,
follow the instructions.
• “Engine Coolant Temp High” ( P.396)
●If any of the following messages are
shown on the multi-info rmation 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”
●If any of the following messages are
shown on the multi-info rmation display, it
may indicate a malfun ction. Immediately
stop the vehicle and contact your Lexus
dealer.
• “Braking Power Low”
• “Charging System Malfunction”
• “Oil Pressure Low”
●If 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.64)
• “Hybrid system stopped”
• “Engine stopped”
●If “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
●If “Maintenance required for Traction
battery cooling parts” is shown, the filter
may be clogged, the air intake vent may

3797-2. Steps to take in an emergency
7
When trouble arises
be blocked, or there may be a gap in the
duct. Therefore, perform the following
correction procedure.
• If the air intake vents and filters of the hybrid battery (traction battery) are dirty,
perform the procedure on P.344 to
clean them.
• If the warning message is shown when the air intake vents and filters of the
hybrid battery (traction battery) are not
dirty, have the vehicle inspected by your
Lexus dealer.
 Stop the vehicle in a safe place on a
hard, flat surface.
 Set the parking brake.
 Shift the shift lever to P.
 Stop the hybrid system.
 Turn on the emergency flashers.
( P.358)
NOTICE
■If “High Power Consumption Power
to Climate Temporarily Limited” is
displayed frequently
There is a possible malfunction relating
to the charging system or the 12-volt bat-
tery may be deteriorating. Have the vehi-
cle inspected by your Lexus dealer.
■If “Low Auxiliary Battery See
Owner’s Manual” is displayed fre-
quently
The 12-volt battery may have deterio-
rated. As the battery may discharge in
this state when left unattended, have the
battery inspected by your Lexus dealer.
■If “Maintenance Required For Trac-
tion Battery At Your Dealer” is dis-
played (for vehicles sold in except
Canada)
The hybrid battery (traction battery) is
scheduled to be inspected or replaced.
Have the vehicle inspected by your
Lexus dealer immediately.
●Continuing to drive the vehicle without
having the hybrid battery (traction bat-
tery) inspected will cause the hybrid
system not to start.
●If the hybrid system does not start,
contact your Lexus dealer immedi-
ately.
If you have a flat tire
Your vehicle is equipped with a
spare tire. The flat tire can be
replaced with the spare tire.
For details about tires: P.329
WARNING
■If you have a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat
tire can damage the tire and the wheel
beyond repair, which could result in an
accident.
Before jacking up the vehicle

401
8
8
Vehicle specifications
Vehicle specifications
8-1. SpecificationsMaintenance data (fuel, oil level, etc.) .............................................. 402
Fuel information ......................... 409
Tire information............................ 411
8-2. Customization Customizable features............ 420
8-3. Items to initialize Items to initialize ......................... 431

4028-1. Specifications
8-1.Specifications
*1:Unladen vehicle
*2: Vehicles with 215/55R17 tires
*3: Vehicles with 235/45R18 tires
■Vehicle identification number
The vehicle identification number
(VIN) is the legal identifier for your
vehicle. This is the primary identifica-
tion number for your Lexus. It is used in
registering the ownership of your vehi-
cle.
This number is stamped on the top left
of the instrument panel. This number is also stamped under the
right-hand front seat.
Maintenance data (fuel, oil level, etc.)
Dimensions and weight
Overall length195.9 in. (4975 mm)
Overall width73.4 in. (1865 mm)
Overall height*156.9 in. (1445 mm)
Wheelbase113.0 in. (2870 mm)
Tread*1
Front63.0 in. (1599 mm)*2
62.6 in. (1589 mm)*3
Rear63.3 in. (1609 mm)*2
63.0 in. (1600 mm)*3
Vehicle capacity weight
(Occupants + luggage)905 lb. (410 kg)
Seating capacity
Seating capacity5 (Front 2, Rear 3)
Vehicle identification

4318-3. Items to initialize
8
Vehicle specifications
8-3.Items to initialize
Items to initialize
The following items must be initialized for normal system operation after such
cases as the 12-volt battery being re connected, or maintenance being per-
formed on the vehicle:
List of the items to initialize
ItemWhen to initializeReference
Intuitive parking assist*After reconnecting or changing the
12-volt batteryP.218
PKSB (Parking Support Brake)*After reconnecting or changing the
12-volt batteryP.233
Tire pressure warning system
• When rotating the tires.
• When the tire inflation pressure is changed by changing tire size.
(When there are multiple speci-
fied pressures)
• After registering the ID codes.
• When the tire inflation pressure is changed such as when changing
traveling speed.
P.335
Power windowsWhen functioning abnormallyP.130
Lexus parking assist monitor*
• 12-volt battery has been rein-stalled.
• The steering wheel has been moved while the 12-volt battery
was being reinstalled.
• 12-volt battery power is low.Refer to “NAV- IGATION
AND MULTI- MEDIA SYS- TEM
OWNER’S
MANUAL”.
Panoramic view monitor*
• 12-volt battery has been rein- stalled.
• The steering wheel has been moved while the 12-volt battery
was being reinstalled.
• 12-volt battery power is low.Refer to the
“NAVIGA-
TION AND
MULTIMEDIA SYSTEM
OWNER’S
MANUAL”.

4328-3. Items to initialize
*:If equipped
Message indicating maintenance is
requiredAfter the maintenance is performedP.312
Oil maintenanceAfter the maintenance is performedP.323
ItemWhen to initializeReference

Alphabetical index451
Distance until next engine oil change .... 80
Do-it-yourself maintenance ......................313
Door courtesy lights ....................................277
Door lockDoors.................................................................. 101
Smart access system with push-button start ....................................................................112
Wireless remote control........................... 99
Doors ................................................................... 101 Automatic door lock ing and unlocking
system ........................................................... 104
Door glasses ................................................. 130
Door lock.......................................................... 101
Open door warning buzzer ....... 102, 104
Outside rear view mirrors ...................... 127
Rear door child-protectors ................... 104
Drive distance .................................................. 82
Drive info 1/Drive info 2 .............................. 82
Driver’s seat position memory .................120 Driving position memory.........................120
Memory recall function ............................ 122
Drive-start control ........................................ 137
Driving................................................................136 Break-in tips ................................................... 137
Correct driving posture .............................23
Driving Mode Select switch................... 213
Hybrid vehicle driving tips .................... 252
Procedures .....................................................136
Winter drive tips......................................... 254
Driving information display ........................ 82
Driving Mode Select switch......................213
Driving range ................................................... 82
Driving support system information display ............................................................................. 83
Dynamic radar cruise control with full- speed range................................................. 198Warning message.....................................206
E
ECB (Electronically Controlled Brake Sys- tem) ................................................................ 248
Eco drive mode ..............................................213 EDR (Event data recorder) ............................7
Elapsed time ..................................................... 82
Electric motor (traction motor) .................. 61
Electric Power Steering (EPS)
Function ..........................................................248
Warning light ............................................... 367
Electronically Controlled Brake System (ECB) ............................................................ 248
Electronic key .................................................. 98 Battery-saving function.............................. 113
If the electronic key does not operate properly ...................................................... 389
Replacing the battery ............................... 347
Emergency, in case of If a warning buzzer sounds.................. 365
If a warning light turns on...................... 365
If a warning message is displayed .....375
If the 12-volt battery is discharged ..... 391
If the electronic key does not operate properly ...................................................... 389
If the fuel filler do or cannot be opened
......................................................................... 388
If the hybrid system will not start ....... 386
If the vehicle is trapped in rising water ......................................................................... 359
If you have a flat tire .................................. 379
If you lose your keys ................................ 388
If you think something is wrong..........364
If your vehicle becomes stuck ............ 399
If your vehicle has to be stopped in an emergency ................................................ 358
If your vehicle needs to be towed ...... 361
If your vehicle overheats ....................... 396
Emergency flashers ....................................358
Energy monitor ............................................... 90
Engine ACCESSORY mode............................... 148
Compartment................................................321
Hood ................................................................. 319
How to start the hybrid system............ 145
Identification number .............................. 403
If the hybrid system will not start ....... 386

452Alphabetical index
If your vehicle has to be stopped in an
emergency ............................................... 358
Ignition switch (power switch) ..............145
Overheating.................................................396
Power switch .................................................145
Tachometer ..................................................... 78
Engine coolant.............................................. 323 Capacity .........................................................405
Checking ....................................................... 323
Preparing and checking before winter......................................................................... 254
Engine coolant temperature gauge ....... 78
Engine oil ..........................................................321 Capacity .........................................................404
Checking ......................................................... 321
Preparing and checking before winter......................................................................... 254
Warning light ...............................................366
Engine oil maintenance data .................. 323
EPS (Electric Power Steering) .............. 248 Function .......................................................... 248
Warning light ............................................... 367
EV drive mode............................................... 150
Event data recorder (EDR) ............................7
EV indicator ...................................................... 62
F
Flat tire ............................................................. 379 Tire pressure warning system ...............331
Floor mats ...........................................................22
Fluid Brake................................................................406
Hybrid transmission .................................406
Washer ........................................................... 325
Footwell light ..................................................277
Front passenger occupant classification system ...............................................................37
Front seats ......................................................... 119 Adjustment....................................................... 119
Cleaning.........................................................309
Correct driving posture .............................23
Driving position memory.........................120 Head restraints..............................................123
Memory recall function............................. 122
Power easy access system .................... 120
Seat heaters .................................................. 273
Seat position memory .............................. 120
Seat ventilators ............................................ 273
Front side marker light ................................. 161 Light switch ...................................................... 161
Front side marker lights Replacing light bulbs ................... 352, 353
Front turn signal lights .................................156 Replacing light bulbs ................... 352, 353
Turn signal lever .......................................... 156
Fuel ...................................................................... 172 Capacity ........................................................ 403
Fuel gauge ........................................................ 78
Information ................................................... 409
Refueling........................................................... 172
Type ................................................................. 403
Warning light .............................................. 368
Fuel consumption Average fuel economy .............................. 82
Current fuel consumption ........................ 82
Fuel filler door ................................................. 172 If the fuel filler do or cannot be opened
......................................................................... 388
Refueling........................................................... 172
Fuel gauge ......................................................... 78
Fuses ................................................................. 349
G
Garage door opener ................................. 296
Gauges ............................................................... 78
Glove box .........................................................281
Glove box light ...............................................281
Grocery bag hooks .................................... 283
H
Hands Free Power Trunk Lid .................. 108
Headlights ......................................................... 161 Adaptive Front-lighting System (AFS)