2022 LEXUS ES300h trunk

3286-3. Do-it-yourself maintenance
The 12-volt battery is located on the
right-hand side of the trunk.
QBefore recharging
When recharging, the 12-volt battery pro-
duces hydrogen gas which is flammable
and explosive. Therefore, observe the fol-
lowing precautions before recharging:
OIf recharging with the 12-volt battery
installed on the vehicle, be sure to dis-
connect the ground cable.
OMake sure the power switch on the char-
ger is off when connecting and discon-
necting the charger cables to the 12-volt
battery.
QAfter recharging/reconnecting the 12-
volt battery
OThe hybrid system may not start.
Follow the procedure below to initialize the
system.
1 Shift the shift lever to P.
2 Open and close any of the doors.
3 Restart the hybrid system.
OUnlocking the doors using the smart
access system with push-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.
OStart the hybrid system with the power
switch in ACCESSORY mode. The
NOTICE
QDo 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.
QDiluting 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

3817-2. Steps to take in an emergency
7
When trouble arises
When replacing tires on a vehicle with
wheel lock nuts, use the following pro-
cedures to remove and install the
wheel lock nuts. The wheel lock key is
stored in the tray inside the luggage
compartment. Always return the wheel
lock key to its original position after
use, so that it does not get lost.
QRemoval
For ease of removal, the wheel lock nut
should always be the first one loos-
ened.
1 Place the wheel lock key on top of
the wheel lock nut, turning until the
wheel lock key and wheel lock nut
patterns engage. 2
Place the wheel nut wrench on the
wheel lock key, and while applying
pressure on the wheel lock key,
loosen the wheel lock nut.
QInstallation
For ease of installation, the wheel lock
nut should always be the last one tight-
ened.
1 By hand, Install a wheel lock nut on
the wheel to be installed.
2 Place the wheel lock key on top of
the wheel lock nut, turning until the
wheel lock key and wheel lock nut
patterns engage.
3 Place the wheel nut wrench on the
wheel lock key, and while applying
pressure on the wheel lock key,
tighten the wheel lock nut to the
recommended torque.
1 Open the trunk.
2 Pull the lever upwards when lifting
the luggage mat up.
WARNING
ODo not raise the vehicle while some-
one is inside.
OWhen raising the vehicle, do not put an
object on or under the jack.
ODo not raise the vehicle to a height
greater than that required to replace
the tire.
OUse a jack stand if it is necessary to get
under the vehicle.
OWhen lowering the vehicle, make sure
that there is no-one near the vehicle. If
there are people nearby, warn them
vocally before lowering.
Wheel lock nut (if equipped)
NOTICE
Do not use an impact wrench. Using an
impact wrench may cause permanent
damage to wheel lock nut and wheel lock
key. If in doubt about wheel lock applica-
tion, contact your Lexus dealer.
Taking out the jack

3827-2. Steps to take in an emergency
3The 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.
1 Chock the tires.
NOTICE
QTo prevent damage to luggage mat
When closing the trunk lid, do not leave
the luggage mat lever hooked on the
edge of the trunk.
Taking out the spare tire
WARNING
QWhen storing the spare tire
Be careful not to catch fingers or other
body parts between the spare tire and
the body of the vehicle.
Replacing a flat tire
Flat tireWheel chock positions
Front left-
hand sideBehind the rear right-hand
side tire
Front right-
hand sideBehind the rear left-hand
side tire
Rear left-
hand sideIn front of the front right-
hand side tire
Rear right-
hand sideIn front of the front left-
hand side tire

3887-2. Steps to take in an emergency
Remove the cover inside the trunk and
pull the lever.
If you lose your keys
New genuine mechanical keys can
be made by your Lexus dealer using
another mechanical key and the
key number stamped on your key
number plate. Keep the plate in a
safe place such as your wallet, not in
the vehicle.
NOTICE
QWhen an electronic key is lost
If the electronic key remains lost, the risk
of vehicle theft increases significantly.
Visit your Lexus dealer immediately with
all remaining electr onic keys and the
card key (if equipped) that were pro-
vided with your vehicle.
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 proce-
dure can be used to open the fuel
filler door.
Opening the fuel filler door
NOTICE
QWhen opening the fuel filler door
manually
ODo not open the fuel filler door manu-
ally except in an emergency. Fuel may
overflow.
OUsing the lever to open the fuel filler
door may not allow for an adequate
reduction in fuel ta nk pressure before
refueling. To prevent fuel from spilling
out, turn the cap slowly when remov-
ing it.
ODuring refueling, fuel may spill out
from the filler opening due to air being
discharged from inside the fuel tank.
Therefore, fill the fuel tank carefully
and slowly.

3897-2. Steps to take in an emergency
7
When trouble arises
QWhen the electronic key does not work
properly
OMake 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 func-
tion on.
OCheck if battery-saving mode is set. If it is
set, cancel the function. (P.117)
Use the mechanical key ( P.102) in
order to perform the following opera-
tions:
QUnlocking 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.
QLocking the door
1 With the door open, push down the
inside lock button.
2 Close the door.
QOpening the trunk
Turn the mechanical key clockwise to
If the electronic key does not
operate properly
If communication between the
electronic key and vehicle is inter-
rupted ( P.117) 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
QIn case of a smart access system with
push-button start malfunction or
other key-related problems
Take your vehicle with all the electronic
keys provided with your vehicle (includ-
ing the card key) to your Lexus dealer as
soon as possible.
Locking and unlocking the
doors, opening the trunk and
using the key linked functions

4248-2. Customization
QRear seat reminder (P.106)
QSmart access system with push-button start and wireless remote control
( P.104, 115)
QSmart access system with push-button start ( P.104, 115)
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
FunctionDefault settingCustomized set-ting
Rear seat reminder functionOnOffO
FunctionDefault settingCustomized set-ting
Operating signal (Buzzers)5OffOO1 to 7
Operation signal (Emergency
flashers)OnOffOO
Time elapsed before automatic
door lock function is activated if
door is not opened after being
unlocked
60 seconds
Off
OO30 seconds
120 seconds
Open door warning buzzer
(When locking the vehicle)OnOffO
FunctionDefault settingCustomized set-ting
Smart access system with push-
button startOnOffO
Smart door unlockingDriver’s doorAll the doorsOO
FunctionDefault settingCustomized set-tingABC
ABC
ABC
ABC

4258-2. Customization
8
Vehicle specifications
QWireless remote control (P.100, 104, 108)
QTrunk ( P.108)
*: If equipped
Time elapsed before unlocking
all the door when gripping and
holding the driver’s door handle
2 seconds
Off
O1.5 seconds
2.5 seconds
Number of consecutive door
lock operations2 timesAs many as desiredO
FunctionDefault settingCustomized set-
ting
Wireless remote controlOnOffO
Unlocking operation
Driver’s door
unlocked in one step, all doors
unlocked in two step
All doors unlocked in one stepOO
Locking operation when door
openedOnOffOO
Trunk unlocking operationPress and hold (short)
One short press
O
Push twice
Press and hold (long)
Off
Theft deterrent panic modeOnOffO
FunctionDefault settingCustomized set- ting
Hands Free Power Trunk Lid
(kick sensor)
*OnOffO
FunctionDefault settingCustomized set-tingABC
ABC
ABC

448What to do if... (Troubleshooting)
1-1. W hat to do if.. . (Troubleshoo ting)What to do if... (Troubleshooting)
If you lose your mechanical keys,
new genuine mechanical keys can
be made by your Lexus dealer.
( P.388)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.388)
 Is the electronic key battery weak or
depleted? ( P.347)
 Is the power switch in ON mode?
When locking the doors, turn the power
switch off. ( P.151)
 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.117) 
Is the child-protector lock set?
The rear door cannot be opened
from inside the vehicle when the
lock is set.
Open the rear d oor from outside
and then unlock the child-protector
lock. ( P.107)
 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.112)
 Did you press the power switch
while firmly depressing the brake
pedal? ( P.148)
 Is the shift lever in P? ( P.154)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.116)
 Is the steering wheel unlocked?
( P.149)
 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