2022 LEXUS ES300h child lock

1063-2. Opening, closing and locking the doors and trunk
Lock or unlock the doors using the
mechanical key. (P.389)
QRear seat reminder function
OIn order to remind you not to forget lug-
gage, etc. in the rear seat, when the
power switch is turned off after any of the
following conditions are met, a buzzer
will sound and a message will be dis-
played on the multi-information display
for approximately 6 seconds.
• The hybrid system is started within 10 minutes after opening and closing a rear
door.
• A rear door has been opened and closed after the hybrid system was started.
However, if a rear door is opened and then
closed within approximately 2 seconds, the
rear seat reminder function may not oper-
ate.
OThe rear seat reminder function deter-
mines that luggage, etc. has been placed
in a rear seat based on opening and clos-
ing of a rear door. Therefore, depending
on the situation, the rear seat reminder
function may not operate and you may
still forget luggage, etc. in the rear seat,
or it may operate unnecessarily.
OThe rear seat reminder function can be
enabled/disabled. ( P.421)
QCustomization
Settings (e.g. unlocking function using a
key) can be changed.
(Customizable features: P.421)
QDoor lock switches (to
lock/unlock)
1 Locks all the doors
2 Unlocks all the doors
QInside lock buttons (to lock)
Push down the inside lock button to
lock the door.
WARNING
QTo prevent an accident
Observe the following precautions while
driving the vehicle.
Failure to do so may result in a door
opening and an occupant being thrown
out of the vehicle, resulting in death or
serious injury.
OEnsure that all doors are properly
closed and locked.
ODo not pull the inside handle of the
doors while driving.
Be especially careful for the front
doors, as the doors may be opened
even if the inside lock buttons are in
locked position.
OSet the rear door child-protector locks
when children are seated in the rear
seats.
QWhen opening or closing a door
Check the surroundings of the vehicle
such as whether the vehicle is on an
incline, whether there is enough space
for a door to open and whether a strong
wind is blowing. When opening or clos-
ing the door, hold the door handle tightly
to prepare for any unpredictable move-
ment.
Unlocking and locking the doors
from the inside

1073-2. Opening, closing and locking the doors and trunk
3
Before driving
QInside door handles (to unlock)
For the front doors
Pull the handle to unlock and open the
door.
When the door is unlo cked, the inside lock
button will pop up.
For the rear doors
Pull the handle to unlock the door. Pull
the handle a second time to open the
door.
When the door is unlo cked, the inside lock
button will pop up.
QLocking the front door s from the outside
without a key
1 Push down the inside lock button.
2 Close the door.
The door cannot be locked if the power
switch is in ACCESSORY or ON mode, or
the electronic key is left inside the vehicle.
However, the key may not be detected cor-
rectly and the door may be locked.
QOpen door warning buzzer
If the vehicle speed reaches 3 mph (5
km/h), a buzzer sounds to indicate that the
door(s), the hood or the trunk is not fully
closed.
The open door(s), the hood or the trunk is
displayed on the multi-information display.
The door cannot be opened from
inside the vehicle when the lock is set.
1 Unlock
2 Lock
These locks can be set to prevent children
from opening the rear doors. Push down
on each rear door switch to lock both rear
doors.
The following functions can be set or
canceled:
For instructions on customizing, refer to
P.421.
Rear door child-protector lock
Automatic door locking and
unlocking systems

1083-2. Opening, closing and locking the doors and trunk
FunctionOperation
Speed linked
door locking
function
All doors are automati-
cally locked when vehi-
cle speed is
approximately 12 mph
(20 km/h) or higher.
Shift position
linked door lock-
ing functionAll doors are automati-
cally locked when the
shift lever is shifted to a
position other than P.
Shift position
linked door
unlocking func-
tionAll doors are automati-
cally unlocked when
the shift lever is shifted
to P.
Driver’s door
linked door
unlocking func-
tion
All doors are automati-
cally unlocked when
driver’s door is opened
within approximately
45 seconds after turn-
ing the power switch
off.
Trunk
The trunk can be opened using the
trunk opener switch, entry function
or wireless remote control.
If the vehicle is equipped with a
power trunk lid, the trunk can be
closed using the trunk closer.
WARNING
Observe the following precautions.
Failure to do so may result in death or
serious injury.
QBefore driving
OMake sure that the trunk lid is fully
closed. If the trunk lid is not fully
closed, it may open unexpectedly
while driving and hit near-by objects or
luggage in the trunk may be thrown
out, causing an accident.
ODo not allow children to play in the
trunk.
If a child is accidentally locked in the
trunk, they could suffer from heat
exhaustion, suffocation or other inju-
ries.
ODo not allow a child to open or close
the trunk lid.
Doing so may cause the trunk lid to
open unexpectedly, or cause the
child’s hands, head, or neck to be
caught by the closing trunk lid.
QImportant points while driving
Never let anyone sit in the trunk. In the
event of sudden braking or a collision,
they are susceptible to death or serious
injury.
QUsing the trunk
Observe the following precautions.
Failure to do so may cause parts of the
body to be caught, resulting in serious
injury.

1323-5. Opening and closing the windows and moon roof
inspected by your Lexus dealer.
QDoor lock linked window operation
OThe power windows can be opened and
closed using the mechanical key.*
(  P.390)
OThe power windows can be opened using
the wireless remote control.* ( P.104)
OThe alarm may be triggered if the alarm is
set and the power window is closed using
the door lock linked power window oper-
ation function. ( P.68)
*: These settings must be customized at
your Lexus dealer.
QPower windows open warning buzzer
The buzzer sounds and “Window Open” is
shown on the multi-information display
when the power switch is turned off and the
driver’s door is opened with the power win-
dows open.
QCustomization
Settings (e.g. linked door lock operation)
can be changed.
(Customizable features: P.421)
This function can be used to prevent
children from accidentally opening or
closing a passenger window.
Press the switch.
WARNING
Observe the following precautions.
Failure to do so may result in death or
serious injury.
QClosing the windows
OThe driver is responsible for all the
power window operations, including
the operation for the passengers. In
order to prevent accidental operation,
especially by a child, do not let a child
operate the power windows. It is possi-
ble for children and other passengers
to have body parts caught in the power
window. Also, when riding with a child,
it is recommended to use the window
lock switch. ( P.132)
OCheck to make sure that all passen-
gers do not have any part of their body
in a position where it could be caught
when a window is being operated.
OWhen using the wireless remote con-
trol or mechanical key and operating
the power windows, operate the
power window after checking to make
sure that there is no possibility of any
passenger having any of their body
parts caught in the window. Also do
not let a child operate window by the
wireless remote control or mechanical
key. It is possible for children and other
passengers to get caught in the power
window.
OWhen exiting the vehicle, turn the
power switch off, carry the key and exit
the vehicle along with the child. There
may be accidental operation, due to
mischief, etc., that may possibly lead to
an accident.
QJam protection function
ONever use any part of your body to
intentionally activat e the jam protec-
tion function.
OThe jam protection function may not
work if something gets jammed just
before the window is fully closed. Be
careful not to get any part of your body
jammed in the window.
QCatch protection function
ONever use any part of your body or
clothing to intentionally activate the
catch protection function.
OThe catch protection function may not
work if something gets caught just
before the window is fully opened. Be
careful not to get any part of your body
or clothing caught in the window.
Preventing accidental opera-
tion (window lock switch)

1914-5. Using the driving support systems
4
Driving
bicycle ridden by more than one person,
or a uniquely shaped bicycle (bicycle with
a child seat, tandem bicycle, etc.)
• If a pedestrian/or the riding height of a bicyclist ahead is shorter than approxi-
mately 3.2 ft. (1 m) or taller than approxi-
mately 6.5 ft. (2 m)
• If a pedestrian/bicyclist is wearing over- sized clothing (a rain coat, long skirt,
etc.), making their silhouette obscure
• If a pedestrian is bending forward or squatting or bicyclist is bending forward
• If a pedestrian/bicyclist is moving fast
• If a pedestrian is pushing a stroller, wheelchair, bicycle or other vehicle
• When driving in incl ement weather such
as heavy rain, fog, snow or a sandstorm
• When driving through steam or smoke
• When the surrounding area is dim, such as at dawn or dusk, or while at night or in
a tunnel, making a detectable object
appear to be nearly the same color as its
surroundings
• When driving in a place where the sur-
rounding brightness changes suddenly,
such as at the entrance or exit of a tunnel
• After the hybrid system has started the
vehicle has not been driven for a certain
amount of time
• While making a left/right turn and for a
few seconds after making a left/right turn
• While driving on a curve and for a few seconds after driving on a curve
• If your vehicle is skidding
• If the front of the vehicle is raised or low- ered
• If the wheels are misaligned
• If a wiper blade is blocking the front cam- era
• The vehicle is being driven at extremely
high speeds
• When driving on a hill
• If the radar sensor or front camera is mis-
aligned • When driving in a traffic lane separated
by more than one lane where oncoming
vehicles are driving while making a
right/left turn
• When largely out of place with the oppo- site facing targeted oncoming vehicle
during a right/left turn
• While making a right/left turn, when a pedestrian approaches from behind or
side of your vehicle
OIn addition to the above, in some situa-
tions, such as the following, the emer-
gency steering assist may not operate.
• When the white (yellow) lane lines are difficult to see, such as when they are
faint, diverging/merging, or a shadow is
cast upon them
• When the lane is wider or narrower than normal
• When there is a light and dark pattern on the road surface, such as due to road
repairs
• When the target is too close
• When there is insufficient safe or unob- structed space for the vehicle to be
steered into
• If oncoming vehicle is present
• If VSC function is operating
OIn some situations such as the following,
sufficient braking force or steering force
may not be obtained, preventing the sys-
tem from performing properly:
• If the braking functions cannot operate to their full extent, such as when the brake

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

451Alphabetical index
Alphabetical index
A
A/C ................................................................... 270Air conditioning filter ............................... 342
Automatic air conditioning system ... 270
Front seat concentrated airflow mode (S-FLOW)................................................. 276
ABS (Anti-lock Brake System).............. 253 Function .......................................................... 253
Warning light ...............................................366
ACA (Active Cornering Assist) ........... 253
Acoustic vehicle alerting system ...............61
Active Cornering Assist (ACA) ........... 253
Adaptive Variable Suspension system253
AHB (Automatic High Beam) .................166
Airbags ............................................................... 28 Airbag operating conditions................... 30
Airbag precautions for your child ........ 33
Correct driving posture .............................23
Curtain shield airbag operating condi-tions .................................................................... 31
Curtain shield airbag precautions ....... 33
Front passenger occupant classification system ..............................................................37
General airbag precautions ................... 33
Locations of airbags.................................... 28
Modification and disposal of airbags . 35
Side airbag operating conditions ........... 31
Side airbag precautions ............................ 33
Side and curtain shield airbags operating conditions........................................................ 31
Side and curtain shield airbags precau- tions .................................................................. 33
SRS airbags ..................................................... 28
SRS warning light ......................................365
Air conditioning filter ................................. 342
Air conditioning system ............................ 270 Air conditioning filter ............................... 342
Automatic air conditioning system ... 270
Front seat concentrated airflow mode (S-FLOW)................................................. 276
Alarm ................................................................... 68 Alarm...................................................................68
Warning buzzer .........................................364
Anchor brackets ..................................... 44, 53
Antennas (smart access system with push- button start) ................................................... 115
Anti-lock Brake System (ABS).............. 253 Function ..........................................................253
Warning light .............................................. 366
Approach warning........................................210
Armrest............................................................ 295
Assist grips ..................................................... 295
Audio system-linked display ...................... 89
Auto Glide Control .................................... 220
Automatic headlight leveling system ....164
Automatic High Beam (AHB) .................166
Automatic light control system................163
Auxiliary box.................................................. 287
Average fuel economy................................. 87
Average vehicle speed ................................ 87
B
Back-up lights Replacing light bulbs................................352
Battery (12-volt battery) ........................... 328 Battery checking ........................................328
If the 12-volt battery is discharged ..... 391
Preparing and checking before winter......................................................................... 260
Warning light .............................................. 365
Battery (traction battery) ............................ 62
Blind Spot Monitor (BSM).........................214
Brake Brake hold ........................................................ 161
Fluid.................................................................. 406
Parking brake ............................................... 159
Regenerative braking .................................60
Warning light ...............................................364
Brake assist .................................................... 253
Break-in tips.....................................................139
Brightness control Instrument panel light control........ 79, 84
BSM (Blind Spot Monitor).........................214

452Alphabetical index
C
Card key .......................................................... 100
Care ......................................................... 308, 311Aluminum wheels ..................................... 308
Exterior .......................................................... 308
Interior ................................................................ 311
Seat belts........................................................... 311
Cargo capacity...............................................146
Cargo hooks ................................................. 288
Center Display ............................................. 266
Chains ................................................................261
Child-protectors............................................107
Child restraint system................................... 43 Fixed with a LATCH system ..................50
Fixed with a seat belt....................................47
Front passenger occupant classification system ..............................................................37
Points to remember .................................... 43
Riding with children ..................................... 43
Types of child restraint system installation method ........................................................... 44
Using an anchor bracket .......................... 53
Child safety ....................................................... 43 12-volt battery precautions .......329, 394
Airbag precautions...................................... 33
Child restraint system................................. 44
Heated steering wheel and seat heater precautions................................................ 278
How your child should wear the seat belt ............................................................................ 25
Moon roof precautions ............................135
Power window lock switch..................... 132
Power window precautions ................... 132
Rear door child-protectors ....................107
Seat belt extender precautions ............. 25
Seat belt precautions .................................. 43
Trunk precautions ...................................... 108
Cleaning ................................................. 308, 311 Aluminum wheels ..................................... 308
Exterior .......................................................... 308
Interior ................................................................ 311 Radar sensor ........................................177, 215
Seat belts ........................................................... 311
Clock ............................................... 76, 80, 289
Coat hooks..................................................... 297
Compass ......................................................... 303
Condenser ..................................................... 326
Console box .................................................. 286
Console box light ........................................ 286
Cooling system............................................. 325 Engine overheating.................................. 396
Hybrid system overheating .................. 397
Cornering lights .............................................165 Replacing light bulbs................................352
Cruise control Dynamic radar cruise control with full-speed range ..............................................204
Cup holder ..................................................... 286
Current fuel consumption .......................... 87
Curtain shield airbags .................................. 28
Customizable features ................................421
Custom mode .................................................219
D
Daytime running light system ...................163
Defogger Outside rear view mirrors....................... 271
Rear window .................................................. 271
Windshield ...................................................... 271
Dimension ...................................................... 402
Dinghy towing................................................. 147
Display BSM (Blind Spot Monitor)......................214
Dynamic radar cruise control with full-speed range ..............................................204
Energy monitor ..............................................95
Head-up display..............................................91
Intuitive parking assist .............................. 222
LTA (Lane-Tracing Assist) .....................197
Multi-information display ..........................85
Parking Support Brake function (rear pedestrians)................................................ 251
RCD (Rear Camera Detection) ........236