service reset Lexus ES300h 2020 Owner's Manual

3126-2. Maintenance
6-2.Maintenance
■Repair and replacement
It is recommended that genuine Lexus parts
be used for repairs to ensure performance
of each system. If non-Lexus parts are used
in replacement or if a repair shop other than
a Lexus dealer perfor ms repairs, confirm
the warranty coverage.
■Allow inspection and repairs to be per-
formed by a Lexus dealer
●Lexus technicians are well-trained spe-
cialists and are kept up to date with the
latest service information. They are well
informed about the operations of all sys-
tems on your vehicle.
●Keep a copy of the repa ir order. It proves
that the maintenance that has been per-
formed is under warra nty coverage. If any
problem should arise while your vehicle is
under warranty, your Lexus dealer will
promptly take care of it.
General maintenance should be per-
formed on a daily basis. This can be
done by yourself or by a Lexus dealer.
Scheduled maintenance should be
performed at specified intervals
according to the maintenance sched-
ule.
For details about ma intenance items and
schedules, refer to the “Warranty and Ser-
vice Guide”, “Owner’s Manual Supple-
ment” or “Scheduled Maintenance”.
■Resetting the message indicating main-
tenance is required
After the required maintenance is per-
formed according to the maintenance
schedule, please reset the message.
To reset the message, follow the procedure
described below:
1
Press or of the meter control
switches and select .
2
Press or of the meter control
switches and select “Vehicle Settings”.
Then press “OK”.
Maintenance requirements
To ensure safe and economical driv-
ing, day-to-day care and regular
maintenance are essential. It is the
owner’s responsibility to perform
regular checks. Lexus recommends
the following maintenance:
WARNING
■If your vehicle is not properly main-
tained
Improper maintenanc e could result in
serious damage to the vehicle and possi-
ble death or serious injury.
■Handling of the 12-volt battery
●Engine exhaust, some of its constitu-
ents, and a wide variety of automobile
components contain or emit chemicals
known to the State of California to
cause cancer and birth defects and
other reproductive harm. Work in a
well ventilated area.
●Oils, fuels and fluids contained in vehi-
cles as well as waste produced by
component wear contain or emit
chemicals known to the State of Cali-
fornia to cause cancer and birth
defects or other reproductive harm.
Avoid exposure and wash any affected
area immediately.
●12-volt battery posts, terminals and
related accessories contain lead and
lead compounds which are known to
cause brain damage. Wash your hands
after handling. ( P.326)
General maintenance
Scheduled maintenance

3136-2. Maintenance
6
Maintenance and care
3Press or of the meter control
switches and select “Scheduled Mainte-
nance”. Then press “OK”.
4
Select “Yes” and press “OK”.
A message will be disp layed when the reset
procedure has been completed.
You can perform some maintenance
procedures by yourself.
Please be aware that do-it-yourself
maintenance may affect warranty cov-
erage.
The use of Lexus repair manuals is recom-
mended.
For details about warranty coverage, refer
to the separate “Owner’s Guide”, “War-
ranty and Service Guide”, “Owner’s Man-
ual Supplement” or “Warranty Booklet”.
Do-it-yourself maintenance
General maintenance
Listed below are the general main-
tenance items that should be per-
formed at the intervals specified in
the “Warranty and Service Guide”
or “Owner’s Manual Supplement”.
It is recommended that any prob-
lem you notice should be brought to
the attention of your Lexus dealer
or qualified service shop for advice.
WARNING
■If the hybrid system is operating
Turn the hybrid system off and ensure
that there is adequate ventilation before
performing maintenance checks.
Engine compartment
ItemsCheck points
Brake fluid
Is the brake fluid at the
correct level?
(  P.325)
Engine/power
control unit cool-
antIs the engine/power
control unit coolant at
the correct level?
( P.323)
Engine oil
Is the engine oil at the
correct level?
( P.321)
Exhaust system
There should not be
any fumes or strange
sounds.

3236-3. Do-it-yourself maintenance
6
Maintenance and care
between oil maintenance intervals.
●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, or when driving while
accelerating or decelerating 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 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 “Veh icle Settings”, and
then press “OK”.
4
Press or of the meter control
switches, select “Oil Maintenance”, and
then press “OK”.
5
Select “Yes” and then press “OK”.
A message will be displayed on the multi-
information display.
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.
■Engine coolant reservoir
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 refill the vehicle.
●Be sure the engine o il filler cap is prop-
erly tightened.
Checking the coolant

Alphabetical index455
Electronic key battery.............................. 346
Fuses ................................................................348
Light bulbs.......................................................351
Tires .................................................................. 378
Resetting the message indicating mainte- nance is required ........................................312
Road Sign Assist ............................................194
RSA (Road Sign Assist) ..............................194
S
SCB (Secondary Collision Brake) ........247
Seat belt reminder ligh t............................. 367
Seat belts............................................................ 24 Adjusting the seat belt................................ 26
Automatic Locking Retractor ................ 26
Child restraint system installation......... 43
Cleaning and maintaining the seat belt.........................................................................309
Emergency Locking Retractor .............. 26
How to wear your seat belt ..................... 25
How your child should wear the seat belt ............................................................................ 25
Pregnant women, proper seat belt use .............................................................................24
Reminder light and buzzer ................... 367
Seat belt extender ........................................ 25
Seat belt pretensioners .............................. 26
SRS warning light ......................................365
Seat heaters ................................................... 273
Seating capacity.............................................. 141
Seat position memory................................... 118
Seats..................................................................... 117 Adjustment precautions .............................117
Adjustment........................................................117
Child seats/child restraint system installa-tion .....................................................................42
Cleaning.........................................................309
Driving position memory .......................... 118
Head restraints ...............................................121
Power easy access system ...................... 118
Properly sitting in the seat .........................23
Seat heaters .................................................. 273 Seat position memory ................................ 118
Seat ventilators ............................................ 273
Seat ventilators ............................................. 273
Secondary Collision Brake (SCB) ........247
Sensor Automatic headlight system .................. 159
Automatic High Beam system ..............162
Inside rear view mirror ............................. 125
Intuitive parking assist ............................... 215
LTA (Lane Tracing Assist) ..................... 185
Parking Support Brake function (rear-crossing vehicles)...................................240
Parking Support Brake function (static objects) ........................................................235
Radar sensor ..................................... 172, 208
Rain-sensing windshield wipers ...........167
RCTA............................................................... 222
Service plug ...................................................... 63
Service reminder message .......................312
S-FLOW mode .............................................. 271
Shift lever Hybrid transmission................................... 150
Shift lever light ...............................................277
Side airbags ...................................................... 28
Side marker lights..........................................159 Light switch .................................................... 159
Side mirrors .....................................................125 Adjustment ..................................................... 125
BSM (Blind Spot Monitor)................... 206
Folding...............................................................126
Linked mirror functi on when reversing
............................................................................ 127
Mirror position memory ............................ 118
RCTA function .............................................. 221
Side turn signal lights ...................................154 Replacing light bulbs ................................. 351
Turn signal lever .......................................... 154
Side windows ..................................................128
Smart access system with push-button start.................................................................... 110Antenna location ........................................... 110
Entry functions ..................................... 99, 105