
761-2. Hybrid system
ES350_300h_OM_OM33B99U_(U)
■After the 12-volt battery has discharged or has been changed or removed
The gasoline engine may not stop even if the vehicle is running on the hybrid battery
(traction battery). If this continues for a few days, contact your Lexus dealer.
■Sounds and vibrations specific to a hybrid vehicles
There may be no engine sounds or vibration even though the vehicle is able to move.
For safety, apply the parking brake and make sure to shift the shift position to P when
parked.
The following sounds or vibrations may occur when the hybrid system is operating
and are not a malfunction:
●Motor sounds may be heard from the engine compartment.
●Sounds may be heard from the hybrid battery (traction battery) behind the rear
seats when the hybrid system starts or stops.
●Sounds from the hybrid system may be heard when the trunk lid is open.
●Sounds may be heard from the hybrid transmission when the hybrid system starts
or stops.
●Engine sounds may be heard when accelerating sharply.
●Sounds may be heard due to regenerative braking when the brake pedal is
depressed.
●Vibration may be felt when the gasoline engine starts or stops.
●Cooling fan sounds may be heard from the air intake vent on rear left seat.
■Vehicle proximity notification system
In the following cases, the vehicle proximity notification system may be difficult for
surrounding people to hear.
●In very noisy areas
●In the wind or the rain
Also, as the vehicle proximity notification system is installed on the front of the vehi-
cle, it may be more difficult to hear from the rear of the vehicle compared to the
front.
■Maintenance, repair, recycling, and disposal
Contact your Lexus dealer regarding maintenance, repair, recycling and disposal.
Do not dispose of the vehicle yourself.
■Customization
Settings (e.g. on/off operation of the EV indicator) can be changed.
(Customizable features: → P. 7 3 0 )

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ES350_300h_OM_OM33B99U_(U)
3-2. Opening, closing and locking the doors and trunk
■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 engine
●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 neces-
sary. ( →P. 5 8 4 )
• The smart access system with push-button 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.
●To avoid serious deterioration, 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
■When the electronic key battery is fully depleted
→ P. 5 8 4
■Customization
Settings (e. g. smart access system with push-button start) can be changed.
(Customizable features: → P. 7 3 0 )
■If the smart access system with push-button start has been deactivated in a cus-
tomized setting
●Locking and unlocking the doors and opening the trunk:
Use the wireless remote control or mechanical key. ( →P. 141, 677)
●Starting the engine
<“POWER”> switch modes: →P. 6 7 8
●Stopping the engine

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ES350_300h_OM_OM33B99U_(U)
3-3. Adjusting the seats
■Operation of the power easy access system
When exiting the vehicle, the power easy access system may not operate if the seat
is already close to the rearmost position, etc.
■Customization
The seat movement amount settings of the power easy access system can be cus-
tomized. (Customizable features: →P. 7 3 0 )
Your preferred driving position (the position of the driver’s seat, steering
wheel and outside rear view mirrors) can be recorded and recalled by
pressing a button.
Three different driving positions can be recorded into memory.
■Recording procedure
Check that the shift lever is in P.
Turn the “START STOP ENGINE” <“POWER”> switch to IGNI-
TION ON
Adjust the driver’s seat, steering wheel, and outside rear view mirrors
to the desired positions.
While pressing the “SET” but-
ton, or within 3 seconds after
the “SET” button is pressed,
press button “1”, “2” or “3” until
the buzzer sounds.
If the selected button has already
been preset, the previously
recorded position will be overwrit-
ten.
Vehicles with the driving position memory for the front passenger’s
seat: To record the position of the front passenger’s seat, adjust the front
passenger’s seat to the desired position and perform step using the
buttons on the front passenger’s side.
Driving position memory
1
2
3
4
4

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ES350_300h_OM_OM33B99U_(U)
3-3. Adjusting the seats
■Cancelation procedure
Carry only the key you want to cancel and then close the driver’s door.
If 2 or more keys are in the vehicle, the driving position cannot be can-
celed properly.Turn the “START STOP ENGINE” <“POWER”> switch to
IGNITION ON
While pressing the “SET” button, press and hold the door lock switch
(either lock or unlock) until the buzzer sounds twice.
If the button could not be canceled, the buzzer sounds continuously for
approximately 3 seconds.
■Recalling the driving position using the memory recall function
●Different driving positions can be registered for each electronic key. Therefore, the
driving position that is recalled may be different depending on the key being car-
ried.
●If a door other than the driver’s door is unlocked with the smart access system with
push-button start, the driving position cannot be recalled. In this case, press the
driving position button which has been set.
■Customization
The unlock door settings of the memory recall function can be customized. (Cus-
tomizable features: →P. 7 3 0 )
CAUTION
■Seat adjustment caution
Take care during seat adjustment so that the seat does not strike the rear passen-
ger or squeeze your body against the steering wheel.
1
2

ES350_300h_OM_OM33B99U_(U)
1793-5. Opening, closing the windows and moon roof
3
Operation of each component
■Door lock linked window operation
●The power windows can be opened and closed using the mechanical key.*
(→ P. 6 7 7 )
●The power windows can be opened using the wireless remote control.* (→ P. 141)
*: These settings must be customized at your Lexus dealer.
■When the 12-volt battery is disconnected
The window lock switch is disabled. If necessary, press the window lock switch after
reconnecting the battery.
■Power windows open warning buzzer
The buzzer sounds and a message is shown on the multi-information display in the
instrument cluster when the “START STOP ENGINE” <“POWER”> switch is turned
off and the driver’s door is opened with the power windows open.
■Customization
Settings (e.g. linked door lock operation) can be changed.
(Customizable features: →P. 7 3 0 )

ES350_300h_OM_OM33B99U_(U)
1853-5. Opening, closing the windows and moon roof
3
Operation of each component
■Moon roof open warning buzzer
The buzzer sounds and a message is shown on the multi-information display in the
instrument cluster when the “START STOP ENGINE” <“POWER”> switch is turned
off and the driver’s door is opened with the moon roof open.
■Customization
Settings (e.g. linked door lock operation) can be changed.
(Customizable features: →P. 7 3 0 )
CAUTION
Observe the following precautions.
Failure to do so may cause death or serious injury.
■Opening the moon roof
●Do not allow any passengers to put their hands or heads outside the vehicle while
it is moving.
●Do not sit on top of the moon roof.
■Closing the moon roof
●The driver is responsible for moon roof opening and closing operations. In order
to prevent accidental operation, especially by a child, do not let a child operate
the moon roof. It is possible for children and other passengers to have body parts
caught in the moon roof.
●Check to make sure that all passengers do not have any part of their body in a
position where it could be caught when the moon roof is being operated.
●When using the mechanical key and operating the moon roof, operate the moon
roof after checking to make sure that there is no possibility of any passenger hav-
ing any of their body parts caught in the moon roof. Also do not let a child operate
moon roof by the wireless remote control or mechanical key. It is possible for chil-
dren and other passengers to get caught in the moon roof.
●When exiting the vehicle, turn the “START STOP ENGINE” <“POWER”> 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.

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ES350_300h_OM_OM33B99U_(U)
4-3. Operating the lights and wipers
■Light reminder buzzer
A buzzer sounds when the “START STOP ENGINE” <“POWER”> switch is turned
off or turned to ACCESSORY mode and the driver’s door is opened while the lights
are turned on.
■Automatic headlight leveling system (if equipped)
The level of the headlights is automatically adjusted according to the number of pas-
sengers and the loading condition of the vehicle to ensure that the headlights do not
interfere with other road users.
■Customization
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features: → P. 7 3 0 )
NOTICE
■To prevent 12-volt battery discharge
Do not leave the lights on longer than necessary when the engine is not running