2021 LEXUS ES300h alarm

2TABLE OF CONTENTS
For your information ......................................6
Reading this manual .................................... 10
How to search ................................................. 11
Pictorial index ................................................. 12
1-1. For safe use Before driving .................................... 22
For safe driving.................................. 23
Seat belts ............................................. 24
SRS airbags ....................................... 28
Front passenger occupant classifi- cation system ................................. 37
Exhaust gas precautions ............... 42
1-2. Child safety Riding with children........................ 43
Child restraint systems ................. 43
1-3. Lexus Enform Lexus Enform Safety Connect .. 55
1-4. Hybrid system Hybrid system features ................... 61
Hybrid system precautions ......... 64
1-5. Theft deterrent system Immobilizer sy stem ........................ 69
Alarm...................................................... 71
2-1. Instrument cluster Warning lights and indicators ..... 74
Gauges and meters ....................... 78
Multi-information display.............. 81
Head-up display .............................. 86
Energy monitor/consumption screen ............................................... 903-1. Key information
Keys ...................................................... 98
3-2. Opening, closing and locking the doors and trunk
Doors .................................................. 101
Trunk .................................................. 105
Smart access system with push- button start...................................... 112
3-3. Adjusting the seats Front seats.......................................... 119
Driving position memory ........... 120
Head restraints ............................... 123
3-4. Adjusting the steering wheel and mirrors
Steering wheel ................................ 125
Inside rear view mirror ................ 126
Outside rear view mirrors.......... 127
3-5. Opening and closing the windows and moon roof
Power windows ............................. 130
Moon roof ......................................... 132
4-1. Before driving Driving the vehicle........................ 136
Cargo and luggage........................ 141
Vehicle load limits.......................... 143
Trailer towing................................... 144
Dinghy towing ................................. 144
4-2. Driving procedures Power (ignition) switch ............... 145
EV drive mode ............................... 150
1For safety and security
2Vehicle status information and
indicators
3Before driving
4Driving

21
1
1
For safety and security
For safety and security
1-1. For safe useBefore driving ................................. 22
For safe driving.............................. 23
Seat belts .......................................... 24
SRS airbags .................................... 28
Front passenger occupant classifi- cation system .............................. 37
Exhaust gas precautions ............ 42
1-2. Child safety Riding with children..................... 43
Child restraint systems .............. 43
1-3. Lexus Enform Lexus Enform Safety Connect 55
1-4. Hybrid system Hybrid system features ............... 61
Hybrid system precautions ...... 64
1-5. Theft deterrent system Immobilizer sy stem ..................... 69
Alarm................................................... 71

711-5. Theft deterrent system
1
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 using the entry func- tion or wireless re
mote control. The
system will be set automatically after
30 seconds.
Except for Canada, the alarm can also
be set using the mechanical key.
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:
 Except for Canada: Unlock the
doors using the entry function, wire-
less remote control or mechanical
key.
 For Canada: Unlock the doors using
the entry function or wireless
remote control.
 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.)
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.
*:Except for Canada
Setting/canceling/stopping the
alarm system

721-5. Theft deterrent system
●For Canada: The doors are unlocked
using the mechanical key.
●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.
●The 12-volt battery is recharged or
replaced when the vehicle is locked.
(  P.393)
■Alarm-operated door lock
In the following cases, depending on the sit-
uation, the door may automatically lock to
prevent improper entry into the vehicle:
●When a person remaining in the vehicle unlocks the door and the alarm is acti-
vated.
●While the alarm is activated, a person
remaining in the vehicle unlocks the door.
●When recharging or
replacing the 12-
volt battery
NOTICE
■To ensure the system operates cor-
rectly
Do not modify or remove the system. If
modified or removed, the proper opera-
tion of the system cannot be guaranteed.

983-1. Key information
3-1.Key information
The following keys are provided with
the vehicle.
Electronic keys
• Operating the smart access system with push-button start ( P.112)
• Operating the wireless remote control function
Mechanical keys
Key number plate
■When riding in an aircraft
When bringing an elec tronic key onto an
aircraft, make sure you do not press any
buttons on the electronic key while inside
the aircraft cabin. If you are carrying an
electronic key in your bag etc., ensure that
the buttons are not likely to be pressed
accidentally. Pressing a button may cause
the electronic key to emit radio waves that
could interfere with the operation of the air-
craft.
■Electronic key battery depletion
●The standard battery life is 1 to 2 years.
●If the battery becomes low, an alarm will
sound in the cabin when the hybrid sys-
tem is stopped.
●Battery-saving mode can reduce the
power consumption of electronic keys
that are not used for long periods of time.
(  P.113)
●As the electronic key always receives
radio waves, the battery will become
depleted even if the electronic key is not
used. The following symptoms indicate
that the electronic key battery may be
depleted. Replace the battery when nec-
essary. ( P.347)
• The smart access system with push-but- ton start or the wireless remote control
does not operate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on.
You can replace the battery by yourself
(  P.347). However, as there is a danger
that the electronic key may be damaged, it
is recommended that replacement be car-
ried out by your Lexus dealer.
●To avoid serious dete rioration, do not
leave the electronic key within 3 ft. (1 m)
of the following electrical appliances that
produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless
phones
•Table lamps
• Induction cookers
■Replacing the battery
 P.347
■Confirmation of the registered key
number
The number of keys already registered to
the vehicle can be confirmed. Ask your
Lexus dealer for details.
■If “A New Key has been Registered
Contact Your Dealer for Details” is
shown on the multi-information display
This message will be displayed each time
the driver’s door is opened when the doors
are unlocked from the outside for approxi-
mately 10 days after a new electronic key
has been registered.
If this message is disp layed but you have not
had a new electronic key registered, ask
your Lexus dealer to check if an unknown
electronic key (other than those in your
Keys
Key types
A
B
C

993-1. Key information
3
Before driving
possession) has been registered.
The electronic keys are equipped with
the following wireless remote control:Locks the doors ( P.101)
Unlocks the doors ( P.101)
Opens the windows and moon
roof
* (  P.101)
Opens the trunk ( P.107)
Sounds the alarm ( P.99)
*: This setting must be customized at your
Lexus dealer.
■Theft deterrent panic mode
When is pressed for longer than
about one second, an alarm will sound
intermittently and the vehicle lights will flash
to deter any person from trying to break
into or damage your vehicle.
To stop the alarm, press any button on the
electronic key.
NOTICE
■To prevent key damage
●Do not drop the keys, subject them to
strong shocks or bend them.
●Do not expose the keys to high tem-
peratures for long periods of time.
●Do not get the keys wet or wash them
in an ultrasonic washer etc.
●Do not attach metallic or magnetic
materials to the keys or place the keys
close to such materials.
●Do not disassemb le the keys.
●Do not attach a sticker or anything else
to the surface of the electronic key.
●Do not place the keys near objects that
produce magnetic fields, such as TVs,
audio systems and induction cookers.
●Do not place the keys near medical
electrical equipment such as low-fre-
quency therapy equipment or micro-
wave therapy equipment, and do not
receive medical attent ion with the keys
on your person.
■Carrying the electronic key on your
person
Carry the electronic key 3.9 in. (10 cm)
or more away from electric appliances
that are turned on. Radio waves emitted
from electric applianc es within 3.9 in. (10
cm) of the electronic key may interfere
with the key, causing the key to not func-
tion properly.
■In case of a smart access system with
push-button start malfunction or
other key-related problems
 P.389
■When an electronic key is lost
 P.388
Wireless remote control
A
B
C
D
E

1023-2. Opening, closing and locking the doors and trunk
To prevent unintended triggering of the
alarm, unlock the doors using the wireless
remote control and open and close a door
once after the settings have been changed.
(If a door is not opened within 60 seconds
after is pressed, the doors will be
locked again and the alarm will automati-
cally be set.)
In a case that the alarm is triggered, imme-
diately stop the alarm. (P.71)
■Impact detection door lock release sys-
tem
In the event that the vehicle is subject to a
strong impact, all the doors are unlocked.
Depending on the force of the impact or the
type of accident, however, the system may
not operate.
■Operation signals
A buzzer sounds and the emergency flash-
ers flash to indicate that the doors have
been locked/unlocked. (Locked: once;
Unlocked: twice)
Windows and moon roof: A buzzer sounds
to indicate that the windows and moon roof
are opening.
■Security feature
If a door is not opened within approximately
60 seconds after the vehicle is unlocked,
the security feature automatically locks the
vehicle again. (However, depending on the
location of the electronic key, the key may
be detected as being in the vehicle. In this
case, vehicle may be unlocked.)
■When the doors cannot be locked by
the lock sensor on the upper part of the
door handle
When the doors cannot be locked even if
the lock sensor on the surface of the door
handle is touched by a finger, touch the lock
sensor with the palm.
If you are wearing gloves, remove them.
■Open door warning buzzer
If an attempt to lock the doors is made when
a door is not fully closed, a buzzer sounds
continuously for 5 seconds. Fully close the
door to stop the buzzer, and lock the vehi-
cle once more.
■Setting the alarm
Locking the doors will set the alarm system.
(  P.71)
■Conditions affecting the operation of
the smart access system with push-but-
ton start or wireless remote control
 P.114
■If the smart access system with push-
button start or the wireless remote con-
trol does not operate properly
Use the mechanical key to lock and unlock
the doors. ( P.389)
Replace the key battery with a new one if it
is depleted. ( P.347)
■If the 12-volt batte ry is discharged
The doors cannot be locked and unlocked
using the smart access system with push-
Multi-information display/BeepUnlocking function
Exterior: Beeps 3 times
Interior: Pings once
Holding the driver’s
door handle unlocks
only the driver’s door.
Holding a passenger’s
door handle unlocks all
the doors.
Exterior: Beeps twice
Interior: Pings onceHolding a door handle
unlocks all the doors.

1093-2. Opening, closing and locking the doors and trunk
3
Before driving
■Trunk grip
Using the trunk grip, pull down the
trunk lid without applying sideways
force and push the trunk lid down from
the outside to close it.
■Trunk light
The trunk light turns on when the trunk is
opened.
■Trunk easy closer (v ehicles with power
trunk lid)
In the event that the trun k lid is left slightly
open, the trunk easy closer will automati-
cally close it to the fully closed position.
●The trunk easy closer will operate
regardless of the po wer switch mode.
●If the trunk easy closer does not operate,
open the trunk to the half open position
or more and then close it.
■Function to prevent the trunk being
locked with the electronic key inside
●When all doors are locked, closing the
trunk lid with the electr onic key left inside
the trunk will sound an alarm.
In this case, the trunk lid can be opened
by pressing the trunk release button on the trunk lid.
●If the spare electronic
key is put in the
trunk with all the doors locked, the key
confinement prevention function is acti-
vated so the trunk can be opened. In
order to prevent theft, take all electronic
keys with you when leaving the vehicle.
●If the electronic key is put in the trunk
with all the doors locked, the key may not
be detected depending on the location of
the key and the surrounding radio wave
conditions. In this case, the key confine-
ment prevention function cannot be acti-
vated, causing the doors to lock when the
trunk is closed. Make sure to check
where the key is before closing the trunk.
●The key confinement prevention function
cannot be activated if any one of the
doors is unlocked. In this case, open the
trunk using the trunk opener.
■Overload protection function (vehicles
with power trunk lid)
The trunk lid will not operate when exces-
sive load is present on the top of the trunk
lid.
■Fall-down protection function (vehicles
with power trunk lid)
While the trunk lid is opening automatically,
applying excessive forc e to it will stop the
opening operation to prevent the trunk lid
from rapidly falling down.
■Jam protection function (vehicles with
power trunk lid)
While the trunk lid is closing automatically,
the trunk lid will stop closing and open if
something gets caught.
■Internal trunk release lever
The trunk lid can be opened by pulling the
glow-in-the-dark lever located on the inside
of the trunk to the side. The lever will con-
tinue to glow for some time after the trunk
lid is closed.