2020 Lexus ES300h maintenance

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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, power windows)
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, and seat belt,
SRS airbag and headlight aim instructions for Canadian
owners
IndexSearch by symptom
Search alphabetically

3TABLE OF CONTENTS
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4-2. Driving proceduresPower (ignition) switch ............... 143
EV drive mode ............................... 148
Hybrid transmission ..................... 150
Turn signal lever............................. 154
Parking brake ................................. 155
Brake Hold....................................... 157
4-3. Operating the lights and wipers Headlight switch ............................ 159
Automatic High Beam ................ 162
Windshield wipers and washer 164
4-4. Refueling Opening the fuel tank cap......... 170
4-5. Using the driving support systems Lexus Safety System + 2.0 ........ 172
PCS (Pre-Collision System)..... 178
LTA (Lane Tracing Assist)......... 185
RSA (Road Sign Assist) .............. 194
Dynamic radar crui se control with
full-speed range.......................... 196
BSM (Blind Spot Monitor) ....... 206
Driving Mode Select switch ..... 212
PKSA (Parking Support Alert) 214
Intuitive parking assist ................. 215
RCTA (Rear Cross Traffic Alert) function ........................................... 221
RCD (Rear Camera Detection) function .......................................... 225
PKSB (Parking Support Brake) ........................................................... 228
Parking Support Brake function (static objects) ............................ 234
Parking Support Brake function (rear-crossing vehicles).......... 240
Parking Support Brake function (rear pedestrians) ..................... 244Driving assist systems .................
247
4-6. Driving tips Hybrid vehicle driving tips ......... 251
Winter driving tips ....................... 253
5-1. Remote Touch Remote Touch............................... 258
5-2. Lexus Climate Concierge Lexus Climate Concierge........ 263
5-3. Using the air conditioning system Automatic air conditioning system.......................................................... 265
Heated steering wheel/seat heat- ers/seat ventilators................... 273
5-4. Using the interior lights Interior lights list ............................ 277
5-5. Using the storage features List of storage features .............. 280
Trunk features ............................... 283
5-6. Using the other interior features Other interior features .............. 284
Garage door opener ................. 296
Compass ......................................... 302
6-1. Maintenance and care Cleaning and protecting the vehi-cle exterior................................... 306
Cleaning and protecting

the vehi-
cle interior .................................... 309
6-2. Maintenance Maintenance re quirements .......312
General maintenance................. 313
5Interior features
6Maintenance and care

4TABLE OF CONTENTS
Emission inspection and mainte-nance (I/M) programs ............. 316
6-3. Do-it-yourself maintenance Do-it-yourself service precautions............................................................ 317
Hood................................................... 319
Positioning a floor jack................ 319
Engine compartment................... 321
12-volt battery................................ 326
Tires ................................................... 329
Tire inflation pressure ................. 338
Wheels.............................................. 340
Air conditioning filter...................341
Cleaning the hybrid battery (trac- tion battery) air intake vent and fil-
ter..................................................... 343
Electronic key battery ................ 346
Checking and replacing fuses 348
Headlight aim................................. 350
Light bulbs ........................................ 351
7-1. Essential information Emergency flashers..................... 356
If your vehicle has to be stopped in an emergency ............................. 356
If the vehicle is trapped in rising water............................................... 357
7-2. Steps to take in an emergency If your vehicle needs to be towed........................................................... 359
If you think something is wrong 362
If a warning light turns on or a warn- ing buzzer sounds ..................... 364
If a warning message is displayed ........................................................... 374If you have a flat tire ....................
378
If the hybrid syst em will not start
.......................................................... 385
If you lose your keys.................... 387
If the fuel filler door cannot be opened .......................................... 387
If the electronic key does not oper- ate properly ................................. 388
If the 12-volt battery is discharged .......................................................... 390
If your vehicle overheats ........... 395
If the vehicle becomes stuck ... 398
8-1. Specifications Maintenance data (fuel, oil level, etc.) ................................................. 400
Fuel information............................ 407
Tire information ............................ 409
8-2. Customization Customizable features ............... 418
8-3. Items to initialize Items to initialize ........................... 429
9-1. For owners Reporting safety defects for U.S. owners ........................................... 432
Seat belt instructions for Canadian owners (in French) ................... 432
SRS airbag instructions for Cana- dian owners (in French) ......... 434
He

adlight aim instructions for
Canadian owners (in French) 440
7When trouble arises
8Vehicle specifications
9For owners

591-3. Lexus Enform
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For safety and security
when operating Lexus Enform Remote.
In some states, use of Lexus Enform
Remote may violate state or local laws.
Before using Lexus Enform Remote,
check your state and local laws.
●Any malfunction of the Lexus should be
repaired by your Lexus dealer.
●Lexus Enform Remote is designed to
work at temperatures above -22°F (-
30°C). This specification is related to the
Lexus Enform Remote operation, but is
dependent on the vehicle’s operating
temperature range which may be differ-
ent.
●Content is subject to change without
notice.
●Some features of the Lexus Enform
Remote may not be available on some
models.
●Additional information can be found at
www.lexus.com/enform/.
●Availability of func tions of the Lexus
Enform service is de pendent on network
reception level.
■Safety information for Lexus Enform
Remote
Refer to the safety information for Safety
Connect: P.57
*: If equipped
■Availability of service
Lexus Enform Service Connect is not avail-
able in some countries or areas.
■Lexus Enform Serv ice Connect Infor-
mation
Availability of functions of the Lexus Enform
Service Connect is dependent on network
reception level.
■Safety information for Lexus Enform
Service Connect
Refer to the safety information for Safety
Connect: P.57
Lexus Enform Service Con-
nect
*
Lexus Enform Service Connect
uses DCM (Data Communication
Module) to collect and transmit
vehicle data that allows Lexus to
provide:
 Vehicle Health Report (VHR)
(Safety Recalls, Service Cam-
paigns, Current Vehicle Alerts,
Required Maintenance, and Vehi-
cle Condition Status)
 Maintenance Notifications
 Vehicle Alert Notifications
For details about this service and
how to register, refer to
http://www.lexus.com/enform/
.
The Lexus Enform Service Con-
nect is achieved by using a DCM
built in the vehicle.

621-4. Hybrid system
soft clank will be emitted from the hybrid
battery (traction battery), behind the rear
seats, when the hybrid system is started
or stopped.
●Sounds from the hybrid system may be
heard when the trunk lid is open.
●Sounds may be heard from the transmis-
sion when the gasoline engine starts or
stops, when driving at low speeds, or
during idling.
●Engine sounds may be heard when
accelerating sharply.
●Sounds may be heard due to regenera-
tive braking when the brake pedal is
depressed or as the accelerator pedal is
released.
●Vibration may be felt when the gasoline
engine starts or stops.
●Cooling fan sounds may be heard from
the air intake vent under the rear seat.
■Maintenance, repair, recycling, and dis-
posal
Contact your Lexus dealer regarding main-
tenance, repair, recycling and disposal. Do
not dispose of the vehicle yourself.
■Customization
Settings (e.g. on/off operation of the EV
indicator) can be changed.
(Customizable features:  P.418)
When driving with the gasoline engine
stopped, a sound, which changes in
accordance with the driving speed, will
be played in order to warn people
nearby of the vehicle’s approach. This
sound may be heard inside the vehicle.
The sound will stop when the vehicle
speed exceeds approximately 22mph
(35km/h).
■Vehicle proximity notification system
In the following cases, the vehicle proximity
notification system may be difficult for sur-
rounding people to hear.
●In very noisy areas
●In the wind or the rain
Also, as the vehicle proximity notification
system is installed on the front of the vehicle,
it may be more difficult to hear from the rear
of the vehicle compared to the front.
Vehicle proximity notification
system

671-5. Theft deterrent system
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For safety and security
1-5.Theft deterrent system
The indicator light flashes after the
power switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing after
the power switch has been turned to ACCESSORY or ON mode to indi-
cate that the system has been can-
celed.
■System maintenance
The vehicle has a maintenance-free type
immobilizer system.
■Conditions that may cause the system to
malfunction
●If the grip portion of the key is in contact
with a metallic object
●If the key is in close proximity to or touch-
ing a key registered to the security sys-
tem (key with a built-in transponder chip)
of another vehicle
■Certifications for the immobilizer system
For vehicles sold in the U.S.A. , Hawaii, Guam and Puerto Rico
Immobilizer system
The vehicle’s keys have built-in tran-
sponder chips that prevent the
hybrid system from starting if a key
has not been previously registered
in the vehicle’s on-board computer.
Never leave the keys inside the
vehicle when you leave the vehicle.
This system is designed to help pre-
vent vehicle theft but does not guar-
antee absolute security against all
vehicle thefts.
Operating the system

691-5. Theft deterrent system
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For safety and security
■Items to check before locking the
vehicle
To prevent unexpected triggering of
the alarm and vehicle theft, make sure
of the following:
 Nobody is in the vehicle.
 The windows and moon roof are
closed before the alarm is set.
 No valuables or other personal
items are left in the vehicle.
■Setting
Close the doors, trunk and hood, and
lock all the doors. The system will be
set automatically after 30 seconds.
The indicator light changes from being on
to flashing when the system is set.
■Canceling or stopping
Do one of the following to deactivate
or stop the alarm:
 Unlock the doors.
 Turn the power switch to ACCES-
SORY or ON mode, or start the
hybrid system. (The alarm will be
deactivated or stopped after a few
seconds.)
■System maintenance
The vehicle has a maintenance-free type
alarm system.
■Triggering of the alarm
The alarm may be triggered in the following
situations:
(Stopping the alarm deactivates the alarm
system.)
●The trunk is unlocked using the mechani-
cal key.
●A person inside the vehicle opens a door,
the trunk or hood, or unlocks the vehicle
using a door lock switch.
Alarm
The alarm uses light and sound to
give an alert when an intrusion is
detected.
The alarm is triggered in the follow-
ing situations when the alarm is set:
 A locked door is unlocked or
opened in any way other than
using the entry function, wireless
remote control or mechanical
key. (The doors will lock again
automatically.)
 A locked trunk is unlocked or
opened in any way other than
using the entry function or wire-
less remote control.
 The hood is opened.
Setting/canceling/stopping the
alarm system

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Maintenance and care
Maintenance and care
6-1. Maintenance and careCleaning and protecting the vehi-cle exterior ................................ 306
Cleaning and protecting the vehi- cle interior ................................. 309
6-2. Maintenance Maintenance requirements ... 312
General maintenance .............. 313
Emission inspection and mainte- nance (I/M) programs .......... 316
6-3. Do-it-yourself maintenance Do-it-yourself service precautions......................................................... 317
Hood................................................ 319
Positioning a floor jack............. 319
Engine compartment................ 321
12-volt battery............................. 326
Tires ................................................ 329
Tire inflation pressure .............. 338
Wheels........................................... 340
Air conditioning filter................341
Cleaning the hybrid battery (trac- tion battery) air intake vent and
filter .............................................. 343
Electronic key battery ............. 346
Checking and replacing fuses ........................................................ 348
Headlight aim.............................. 350
Light bulbs ..................................... 351