2020 LEXUS LX570 key battery

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LX570_OM_OM60R61U_(U)3-2. Opening, closing and locking the doors
■Jam protection function
If anything obstructs the power
back door while it is closing/opening, the back door will
automatically operate in the opposite direction.
■When re-connecting the battery
To enable the power back door to op erate properly, perform the following:
●Unlock the back door using the door lock switch
●Close the back door manually
■Back door closer
In the event that the upper and lower back doors are left slightly open, the back door
closer will automatically close them to the fully closed position.
■Fall-down protection function
While the power back door is opening automa tically, applying excessive force to it will
stop the opening operation to prevent the po wer back door from rapidly falling down.
■Back door reserve lock function
This function is a function which reserves locking of all doors, beforehand, when the back
door is open. When the following procedure is performed, all the doors except the back
door are locked and then back door will also be locked at the same time it is closed.
Close all doors, except the back door.
Perform any of the following during the auto matic closing operation of the back door.
• Press the lock button on th e wireless remote control. (P. 116)
• Touch the lock sensor on the side door handle with carrying the electronic key on
your person. ( P. 121)
Also, if the back door does not fully clos e due to the operation of the jam protection
function, etc., while the back door is automatically closing after a reserve lock opera-
tion is performed, the reserv e lock function is canceled and all the doors will unlock.
■Customization
Settings (e.g. switch operation) can be changed.
(Customizable features P. 586)
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LX570_OM_OM60R61U_(U)3-2. Opening, closing and locking the doors
■Battery-saving function
The battery-saving function w
ill be activated in order to prevent the electronic key bat-
tery and the battery from being discharged while the vehicle is not in operation for a long
time.
●In the following situations, the smart acce ss system with push-button start may take
some time to unlock the doors.
• The electronic key has been le ft in an area of approximately 6 ft. (2 m) of the outside
of the vehicle for 10 minutes or longer.
• The smart access system with push-button st art has not been used for 5 days or lon-
ger.
●If the smart access system with push-button start has not been used for 14 days or lon-
ger, the doors cannot be unlocked at any doors except the driver’s door. In this case,
take hold of the driver’s d oor handle, or use the wireless remote control or the mechan-
ical key, to unlock the doors.
■Electronic Key Battery-Saving Function
When battery-saving mode is set, battery depletion is minimized by stopping the elec-
tronic key from re ceiving radio waves.
The smart access system with push-button st art uses weak radio waves. In the following
situations, the communication between the electronic key and the vehicle may be
affected, preventing the smar t access system with push-but ton start, wireless remote
control and engine immobilizer system from operating properly.
(Ways of coping: P. 551)
●When the electronic key battery is depleted
●Near a TV tower, electric power plant, gas st ation, radio station, large display, airport or
other facility that generates strong radio wave s or electrical noise
●When the electronic key is in contact with, or is covered by the following metallic
objects
• Portable radio, cellular phone, cordle ss phone or other wireless communication
device
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
•Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
●When other wireless keys (that emit radio waves) are being used nearby
Press twice while pressing and holding
. Confirm that the electronic key indica-
tor flashes 4 times.
While the battery-saving mode is set, the smart
access system with push -button start cannot be
used. To cancel the function, press any of the
electronic key buttons.

LX570_OM_OM60R61U_(U)
1413-2. Opening, closing and locking the doors
3
Operation of each component
●When carrying the electronic key together with the following devices that emit radio
waves
• Another vehicle’s electronic key or a wireless key that emits radio waves
• Personal computers or person al digital assistants (PDAs)
• Digital audio players
• Portable game systems
●If window tint with a metallic content or me tallic objects are attached to the rear win-
dow
●When the electronic key is placed near a battery charger or electronic devices
■Note for the entry function
●Even when the electronic key is within the effective range (detection areas), the system
may not operate properly in the following cases:
• The electronic key is too close to the window or outside door handle, near the ground, or in a high place when the doors are locked or unlocked.
• The electronic key is on the instrument panel, luggage cover (if equipped) or floor,
or in the door pockets or glove box when the engine is started or engine switch
modes are changed.
●Do not leave the electronic key on top of th e instrument panel or near the door pockets
when exiting the vehicle. Depending on the radio wave reception conditions, it may be
detected by the antenna outside the cabin an d the doors will become lockable from the
outside, possibly trapping the electronic key inside the vehicle.
●As long as the electronic key is within th e effective range, the doors may be locked or
unlocked by anyone. However, only the door s detecting the electronic key can be used
to unlock the vehicle.
●Even if the electronic key is not inside the vehicle, it may be possible to start the engine
if the electronic key is near the window.
●The doors may unlock or lock if a large amou nt of water splashes on the door handle,
such as in the rain or in a car wash, when th e electronic key is within the effective range.
(The doors will automatically be locked af ter approximately 60 seconds if the doors
are not opened and closed.)
●Touching the door lock or unlock sensor while wearing gloves may prevent lock or
unlock operation.
●If the wireless remote control is used to lo ck the doors when the electronic key is near
the vehicle, there is a possibility that the d oor may not be unlocked by the entry func-
tion. (Use the wireless remote control to unlock the doors.)
●When the lock operation is performed using the lock sensor, recognition signals will be
shown up to two consecutive times. After this, no recognition signals will be given.
●If the door handle becomes wet while the el ectronic key is within the effective range,
the door may lock and unlock repeatedly. In this case, follow the following correction
procedures to wash the vehicle.
• Place the electronic key in a location 6 ft. (2 m) or more away from the vehicle. (Take
care to ensure that the key is not stolen.)
• Set electronic key to battery-saving mode to disable the smart access system with push-button start. ( P. 140)

LX570_OM_OM60R61U_(U)
1593-3. Adjusting the seats
3
Operation of each component
■To stop the position recall operation part-way through
Perform any of the following:
●Press the “SET” button.
●Press button “1”, “2” or “3”.
●Operate any of the seat adjustment switches (only cancels seat position recall).
●Operate the tilt and telescopic steering control switch (only cancels steering wheel
position recall).
■Operating the driving position memory after turning the engine switch off
Recorded seat positions can be activated up to 180 seconds after the driver’s door is
opened and another 60 seconds after it is closed again.
■If the battery is disconnected
The memorized positions must be reset becau se the computer’s memory is erased when
the battery is disconnected.
Each electronic key can be registered to recall your preferred driving position.
■Registering procedure
Record your driving position to button “1”, “2” or “3” before performing the
following:
Carry only the key you want to regist er, and then close the driver’s door.
If 2 or more keys are in the vehicle, the driving position cannot be recorded
properly.
Check that the shift lever is in P.
Turn the engine switch to IGNITION ON mode.
Recall the driving position that you want to record.
While pressing the recalled but-
ton, press and hold the door lock
switch (either lock or unlock) until
the buzzer sounds.
If the button could not be registered,
the buzzer sounds continuously for
approximately 3 seconds.
Memory recall function (driver’s side only)
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LX570_OM_OM60R61U_(U)3-5. Opening, closing the windows and moon roof
■When the window cannot be opened or closed
When the jam protection functi
on or catch protection function operates unusually and
the door window cannot be opened or closed, perform the following operations with the
power window switch of that door.
●Stop the vehicle. With the engine switch in IGNITION ON mode, within 4 seconds of
the jam protection function or catch protecti on function activating, continuously oper-
ate the power window switch in the one-to uch closing direction or one-touch opening
direction so that the door wind ow can be opened and closed.
●If the door window cannot be opened and closed even when performing the above
operations, perform the following procedure for function initialization.
Turn the engine switch to IGNITION ON mode.
Pull and hold the power window switch in the one-touch closing direction and com-
pletely close the door window.
Release the power window sw itch for a moment, resume pulling the switch in the
one-touch closing direction, and hold it there for approximately 6 seconds or more.
Press and hold the power window switch in the one-touch opening direction. After
the door window is completely opened, cont inue holding the switch for an additional
1 second or more.
Release the power window switch for a mo ment, resume pushing the switch in the
one-touch opening direction, and hold it there for approximately 4 seconds or
more.
Pull and hold the power window switch in the one-touch closing direction again.
After the door window is completely closed, continue holding the switch for a fur-
ther 1 second or more.
If you release the switch while the window is moving, start again from the beginning.
If the window reverses and cannot be fully cl osed or opened, have the vehicle inspected
by your Lexus dealer.
■When the battery is disconnected
The window lock switch is disabled. If nece ssary, press the window lock switch after
reconnecting the battery.
■Door lock linked window operation
●The power windows can be opened an d closed using the mechanical key.* ( P. 551)
●The power windows can be opened using the wireless remote control.* ( P. 121)
*: These settings must be cust omized at your Lexus dealer.
■Power windows open warning buzzer
The buzzer sounds and a message is shown on the multi-information display in the instru-
ment cluster when the engine 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. 586)
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LX570_OM_OM60R61U_(U)
2134-2. Driving procedures
4
Driving
If the engine is stopped with the shift lever in a position other than P, the engine
switch will not be turned off but instead be turned to ACCESSORY mode. Per-
form the following procedure to turn the switch off:
Check that the parking brake is set.
Shift the shift lever to P.
Check that “Turn Off Vehicle” is disp layed on the multi-information display
and then press the engine switch once.
Check that “Turn Off Vehicle” on th e multi-information display is off.
■Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes or IGNITION ON
mode (the engine is not running) for more than an hour with the shift lever in P, the engine
switch will automatically turn off. However, this function cannot entirely prevent battery
discharge. Do not leave the vehicle with the engine switch in ACCESSORY or IGNI-
TION ON mode for long periods of ti me when the engine is not running.
■Operation of the engine switch
●If the switch is not pressed shortly and firmly, the engine switch mode may not change
or the engine may not start.
●If attempting to restart the engine immediately after turning the engine switch off, the
engine may not start in some cases. After turning the engine off, please wait a few sec-
onds before restarting the engine.
■Electronic key battery depletion
P. 118
■Conditions affe cting operation
 P. 140
■Note for the entry function
P. 141
■If the engine does not start
●The engine immobilizer system ma y not have been deactivated. (P. 80)
Contact your Lexus dealer.
●Check that the shift lever is se curely set in P. The engine may not start if the shift lever is
displaced out of P.
A message will be displayed on the multi-information display.
■Steering lock
After turning the engine switch off and opening and closing the doors, the steering wheel
will be locked due to the steering lock func tion. Operating the engine switch again auto-
matically cancels the steering lock.
When stopping the engine with the shift lever in a position other than P
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LX570_OM_OM60R61U_(U)4-2. Driving procedures
■When the steering lock cannot be released
■Steering lock motor overheating prevention
To prevent the steering lock motor from over
heating, the motor may be suspended if the
engine is turned on and off re peatedly in a short period of time. In this case, refrain from
running the engine. After about 10 seconds, the steering lock motor will resume func-
tioning.
■When “Smart Access System Malfunction See Owner’s Manual” is displayed on the
multi-information display
The system may be malfunctioning. Have th e vehicle inspected by your Lexus dealer,
immediately.
■If the electronic key battery is depleted
 P. 507
■Automatic engine shut off feature
●The vehicle is equipped with a feature that automatically shuts off the engine when the
shift lever is in P with the engine running for an extended period.
●The engine will automatically shut off after ap proximately 1 hour if it has been left run-
ning while the shift lever is in P.
●The timer for the automatic engine shut off feature will reset if the brake pedal is
depressed or if the sh ift lever is in a position other than P.
●After the vehicle is parked, if the door is locked with the door lock switch (P. 123)
from the inside or the mechanical key ( P. 551) from the outside, the automatic engine
shut off feature will be disabled. The timer for the automatic engine shut off feature will
be re-enabled if the driver’s door is opened.
■If the smart access system with push-button start has been deactivated in a customized
setting
 P. 551
A message will be displayed on the multi-infor-
mation display.
Check that the shift lever is set in P. Press the
engine switch while turn
ing the steering wheel
left and right.

LX570_OM_OM60R61U_(U)
4275-4. Using the interior lights
5
Interior features
■Illuminated entry system
The lights automatically turn on/off according to engine switch mode, the presence of the
electronic key, whether the doors are locked/unlocked, and whether the doors are
open/closed.
■To prevent battery discharge
If the interior lights remain on when the engine switch is turn ed off, the lights will go off
automatically after 20 minutes:
■Customization
Settings (e.g. adjust the time elapsed before th e interior lights automatically turn off) can
be changed. (Customizable features:  P. 586)
Personal lights
Front Rear
Turns the lights on/off (touch the lights) Turns the lights on/off
NOTICE
To prevent battery discharge, do not leave th e lights on longer than necessary when the
engine is not running.