trunk Lexus ES300h 2019 (OM33D00U) Service Manual

3236-3. Do-it-yourself maintenance
6
Maintenance and care
The 12-volt battery is located on the
right-hand side of the trunk.
■Before recharging
When recharging, the 12-volt battery pro-
duces hydrogen gas which is flammable
and explosive. Therefore, observe the fol-
lowing precautions before recharging:
●If recharging with the 12-volt battery
installed on the vehicle, be sure to discon-
nect the ground cable.
●Make sure the power switch on the char-
ger is off when connecting and discon-
necting the charger cables to the 12-volt
battery.
■After recharging/reconnecting the 12-
volt battery
●Unlocking the doors using the smart
access system with pu sh-button start may
not be possible immediately after recon-
necting the 12-volt battery. If this hap-
pens, use the wireless remote control or
the mechanical key to lock/unlock the
doors.
●Start the hybrid system with the power
switch in ACCESSORY mode. The
hybrid system may not start with the
power switch turned off. However, the
hybrid system will operate normally from
the second attempt.
●The power switch mode is recorded by
the vehicle. If the 12-volt battery is recon-
nected, the vehicle will return the power
NOTICE
■Do not use any fluid other than
washer fluid
Do not use soapy water or engine anti-
freeze instead of washer fluid.
Doing so may cause streaking on the
vehicle’s painted surfaces, as well as
damaging the pump leading to problems
of the washer fluid not spraying.
■Diluting washer fluid
Dilute washer fluid with water as neces-
sary.
Refer to the freezing temperatures listed
on the label of the washer fluid bottle.
12-volt battery
Location

3557-2. Steps to take in an emergency
7
When trouble arises
If a tow truck is not available in an
emergency, your vehicle may be tem-
porarily towed using cables or chains
secured to the emergency towing eye-
lets. This should only be attempted on
hard surfaced roads for short distances
at under 18 mph (30 km/h).
A driver must be in the vehicle to steer
and operate the brakes. The vehicle’s
wheels, drive train, axles, steering and
brakes must be in good condition.
To have your vehicle towed by another
vehicle, the towing eyelet must be
installed to your vehicle. Install the tow-
ing eyelet using the following proce-
dure.
1 Take out the towing eyelet.
(P.373)
2 Remove the eyelet cover using a
flathead screwdriver.
To protect the bodywork, place a rag
between the screwdriver and the vehicle
body as shown in the illustration.
3Insert the towing eyelet into the
hole and tighten partially by hand.
4 Tighten down the towing eyelet
securely using a wheel nut wrench
or hard metal bar.
5 Securely attach cables or chains to
the towing eyelet.
Take care not to damage the vehicle body.
6Enter the vehicle being towed and
start the hybrid system.
If the hybrid system does not start, turn the
power switch to ON mode.
7Shift the shift lever to N and release
the parking brake.
When the shift lever cannot be shifted:
P.142
■While towing
If the hybrid system is off, the power assist
for the brakes and steering will not function,
making steering and braking more difficult.
■Wheel nut wrench
Wheel nut wrench is installed in trunk.
Emergency towing
Emergency towing procedure

3747-2. Steps to take in an emergency
1Open the trunk.
2 Pull the lever upwards when lifting
the luggage mat up.
3 The lever can be hooked on the
edge of the trunk.
4 Remove the jack. 1
Remove the auxiliary box.
2 Loosen the center fastener that
secures the spare tire.
WARNING
●When lowering the vehicle, make sure
that there is no-one near the vehicle. If
there are people nearby, warn them
vocally before lowering.
Taking out the jack
NOTICE
■To prevent damage to luggage mat
When closing the trunk door, do not
leave the luggage mat lever hooked on
the edge of the trunk.
Taking out the spare tire
WARNING
■When storing the spare tire
Be careful not to catch fingers or other
body parts between the spare tire and
the body of the vehicle.

3817-2. Steps to take in an emergency
7
When trouble arises
Remove the cover inside the trunk and
pull the lever.
Using the lever to open the fuel filler door
may not allow for an adequate reduction in
fuel tank pressure before refueling. To pre-
vent fuel from spilling out, turn the cap
slowly when removing it. During refueling,
fuel may spill out from the filler opening
due to air being discharged from inside the
fuel tank. Therefore, f ill the fuel tank care-
fully and slowly.
■When the electronic key does not work
properly
●Make sure that the smart access system
with push-button start has not been deac-
tivated using the Remote Touch or at your
Lexus dealer. If it is off, turn the function
on.
●Check if battery-saving mo de is set. If it is
set, cancel the function. ( P.103)
Use the mechanical key ( P.90) in
order to perform th e following opera-
tions:
If the fuel filler door cannot
be opened
If the fuel filler door opener switch
cannot be operated, contact your
Lexus dealer to service the vehicle.
In case where refueling is urgently
necessary, the following procedure
can be used to open the fuel filler
door.
Opening the fuel filler door
If the electronic key does not
operate properly
If communication between the
electronic key and vehicle is inter-
rupted ( P.103) or the electronic
key cannot be used because the
battery is depleted, the smart
access system with push-button
start and wireless remote control
cannot be used. In such cases, the
doors and trunk can be opened and
the hybrid system can be started by
following the procedure below.
NOTICE
■In case of a smart access system with
push-button start malfunction or
other key-rela ted problems
Take your vehicle with all the electronic
keys provided with your vehicle to your
Lexus dealer as soon as possible.
Locking and unlocking the
doors, opening the trunk and
using the key linked functions

3827-2. Steps to take in an emergency
■Unlocking the door
1 Pull the driver’s door handle and
insert the mechanical key.
2 Unlock the door.
3 Remove the key, return the handle,
and then pull the handle again.
■Locking the door
1 With the door open, push down the
inside lock button.
2 Close the door.
■Opening the trunk
Turn the mechanical key clockwise to open.
■Key linked functions
1 Closes the windows and the moon roof
(turn and hold)
2 Opens the windows and the moon roof
(turn and hold)
These settings must be customized at your
Lexus dealer.
WARNING
■When using the mechanical key and
operating the power windows or
moon roof
Operate the power window after check-
ing to make sure that there is no possibil-
ity of any passenger having any of their
body parts caught in the window or
moon roof.
Also, do not allow children to operate the
mechanical key. It is possible for children
and other passengers to get caught in
the power window or moon roof.

4148-2. Customization
■Head-up Display* ( P.77)
*:If equipped
■Door lock ( P.91, 95, 381)
FunctionDefault settingCustomized set-
ting
Gauge informationHybrid System IndicatorTachometerONo content
Route guidance to destina-
tion/street name
*OnOffO
Driving support system displayOnOffO
Compass*OnOffO
Audio system operation statusOnOffO
FunctionDefault settingCustomized set- ting
Unlocking using a mechanical
key
Driver’s door
unlocked in one step, all doors
unlocked in two step
All doors unlocked in one stepO
Automatic door locking func-
tionShift lever linked
door locking oper- ationOff
OOSpeed linked door locking operation
Automatic door unlocking
functionShift lever linked door unlocking operation
Off
OODriver’s door linked door
unlocking opera- tion
Locking/unlocking of the trunk
when all doors are
locked/unlocked
OnOffO
ABC
ABC

4168-2. Customization
■Trunk (P.95)
*:If equipped
■Driving position memory* ( P.110)
*:If equipped
Trunk unlocking operationPress and hold
(short)
One short press
O
Push twice
Press and hold (long)
Off
Theft deterrent panic modeOnOffO
Reservation lockOnOffOO
FunctionDefault settingCustomized set- ting
Hands Free Power Trunk Lid
(kick sensor)
*OnOffO
FunctionDefault settingCustomized set-ting
Selecting doors linked to the
memory recall functionDriver’s doorAll doorsO
Driver’s seat slide movement
when exiting the vehicle
*FullOffOOPartial
Steering wheel movement*Tilt only
Off
OOTelescopic only
Tilt and telescopic
FunctionDefault settingCustomized set-tingABC
ABC
ABC

438What to do if... (Troubleshooting)
1-1.What to do if... (Troubleshooting)What to do if... (Troubleshooting)
If you lose your mechanical keys,
new genuine mechanical keys can
be made by your Lexus dealer.
( P.380)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.380)
 Is the electronic key battery weak or
depleted? ( P.339)
 Is the power switch in ON mode?
When locking the doors, turn the power
switch off. ( P.137)
 Is the electronic key left inside the
vehicle?
When locking the doors, make sure that
you have the electronic key on your per-
son.
The function may not operate prop-
erly due to the condition of the radio
wave. ( P.103) 
Is the child-protector lock set?
The rear door cannot be opened
from inside the vehicle when the
lock is set.
Open the rear door from outside
and then unlock the child-protector
lock. ( P.94)
 The function to prevent the elec-
tronic key from being left inside the
trunk will operate and you can open
the trunk as usual. Take the key out
from the trunk. ( P.99)
 Did you press the power switch
while firmly depressing the brake
pedal? ( P.135)
 Is the shift lever in P? ( P.141)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.102)
 Is the steering wheel unlocked?
( P.135)
 Is the electronic key battery weak or
depleted?
If you have a problem, check the
following before contacting your
Lexus dealer.
The doors cannot be locked,
unlocked, opened or closed
You lose your keys
The doors cannot be locked or
unlocked
The rear door cannot be opened
The trunk lid is closed with the
electronic key left inside
If you think something is wrong
The hybrid system does not start

442Alphabetical index
Exterior .......................................................... 300
Interior .............................................................303
Seat belts........................................................303
Cargo capacity...............................................133
Cargo hooks ................................................... 271
Center Display ............................................. 246
Chains .............................................................. 243
Child-protectors............................................. 94
Child restraint system................................... 42 Fixed with a LATCH system .................. 49
Fixed with a seat belt................................... 46
Front passenger occupant classification system ..............................................................37
Points to remember .....................................42
Riding with children ......................................42
Types of child restraint system installation method ........................................................... 43
Using an anchor bracket ............................ 51
Child safety ....................................................... 42 12-volt battery precautions ....... 324, 387
Airbag precautions...................................... 33
Child restraint system................................. 43
Heated steering wheel and seat heater precautions.................................................. 261
How your child should wear the seat belt 25
Moon roof precautions ............................ 123
Power window lock switch.......................121
Power window precautions .....................121
Rear door child-protectors ..................... 94
Removed electronic key battery precau- tions ...............................................................340
Seat belt extender precautions ............. 25
Seat belt precautions ...................................42
Trunk precautions ........................................ 95
Cleaning.............................................. 300, 303 Aluminum wheels ..................................... 300
Exterior .......................................................... 300
Interior .............................................................303
Radar sensor.......................................163, 198
Seat belts........................................................303
Clock ........................................................ 70, 272 Coat hooks..................................................... 283
Compass ......................................................... 289
Condenser .......................................................321
Console box .................................................. 269
Console box light ........................................ 269
Cooling system............................................. 320
Engine overheating.................................. 388
Hybrid system overheating ................. 389
Cornering lights .............................................152 Replacing light bulbs ................................344
Cruise control Dynamic radar cruise control with full-
speed range ............................................... 187
Cup holder ..................................................... 269
Current fuel consumption ...........................74
Curtain shield airbags .................................. 28
Customizable features ................................ 412
D
Daytime running light system .................. 150
Defogger Outside rear view mirrors.....................254
Rear window ................................................254
Windshield ....................................................254
Dimension ...................................................... 394
Dinghy towing.................................................134
Display BSM (Blind Sport Monitor)....................197
Dynamic radar cruise control with full-
speed range ............................................... 187
Energy monitor ............................................... 81
Head-up display.............................................77
Intuitive parking assist ............................. 205
LTA (Lane-Tracing Assist) ...................... 181
Multi-information display .......................... 73
Parking Support Brake function (rear pedestrians)............................................... 233
RCD (Rear Camera Detection) ......... 215
RCTA.................................................................. 211
Warning message .................................... 368
Distance until next engine oil change .....72
Do-it-yourself maintenance ..................... 310

444Alphabetical index
Ignition switch (power switch) ..............135
Overheating................................................ 388
Power switch .................................................135
Tachometer ..................................................... 70
Engine coolant.............................................. 320 Capacity ......................................................... 397
Checking ....................................................... 320
Preparing and checking before winter ....242
Engine coolant temperature gauge ....... 70
Engine oil ......................................................... 318 Capacity .........................................................396
Checking ........................................................ 318
Preparing and checking before winter ....242
Warning light ...............................................359
Engine oil maintenance data .................. 320
EPS (Electric Power Steering) .............. 236 Function .......................................................... 236
Warning light ...............................................360
EV drive mode................................................139
Event data recorder (EDR) ........................... 8
EV indicator ...................................................... 54
F
Flat tire ............................................................. 372 Tire pressure warning system ............. 328
Floor mats ...........................................................22
Fluid Brake................................................................398
Hybrid transmission .................................398
Washer ........................................................... 322
Footwell light ................................................. 265
Front passenger occupant classification system ...............................................................37
Front seats ....................................................... 109 Adjustment..................................................... 109
Cleaning.........................................................303
Correct driving posture .............................23
Driving position memory.......................... 110
Head restraints .............................................. 113
Memory recall function ............................... 111 Power easy access system ...................... 110
Seat heaters ....................................................261
Seat position memory ................................ 110
Seat ventilators ..............................................261
Front side marker light ............................... 150 Light switch .................................................... 150
Front side marker lights Replacing light bulbs ....................344, 345
Front turn signal lights .................................145 Replacing light bulbs ....................344, 345
Turn signal lever .......................................... 145
Fuel ....................................................................... 161 Capacity ........................................................ 395
Fuel gauge ........................................................ 70
Information ..................................................... 401
Refueling............................................................ 161
Type ................................................................. 395
Warning light ................................................ 361
Fuel consumption Average fuel economy .............................. 74
Current fuel consumption ........................ 74
Fuel filler door .................................................. 161 If the fuel filler door cannot be opened ....
381
Refueling............................................................ 161
Fuel gauge ......................................................... 70
Fuses ...................................................................341
G
Garage door opener ................................. 284
Gauges ............................................................... 70
Glove box ....................................................... 269
Glove box light ............................................. 269
Grocery bag hooks ...................................... 271
H
Hands Free Power Trunk Lid .................... 98
Headlights ....................................................... 150 Adaptive Front-lighting System (AFS) .....152
Automatic High Beam system ............. 153