2020 LEXUS LX570 check engine

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LX570_OM_OM60R61U_(U)2. Instrument cluster
■Head-up display
The head-up display may seem dark or hard to see when viewed through sunglasses,
especially pola
rized sunglasses.
Adjust the brightness of the head-up display or remove your sunglasses.
■When the battery is disconnected
The customize settings of the head-up display will be reset.
■Display brightness
●The brightness of the head-up display can be adjusted on of the multi-information
display. Also, it is automatically adju sted according to the ambient brightness.
●When the vehicle is stopped, the display may dim temporarily. This is not a malfunction.
■Enabling/disabling of the head-up display
If the head-up display is disabled, it will remain disabled when the engine switch is turned
off then back to IGNITION ON mode.
■Head-up display automatic position adjustment
If the display position is recorded into memory, the head-up display will be automatically
adjusted to the desired position. ( P. 157)
WARNING
■Before using the head-up display
●Check that the position and brightness of the head-up display image does not inter-
fere with safe driving. Inco rrect adjustment of the image’s position or brightness may
obstruct the driver’s view and lead to an acc ident, resulting in death or serious injury.
●Do not continuously look at the head-up di splay while driving as you may fail to see
pedestrians, objects on the road, etc. ahead of the vehicle.
■Caution for changing settings of the head-up display
As the engine needs to be running while changing the settings of the head-up display,
ensure that the vehicle is parked in a place with adequate ventilation. In a closed area
such as a garage, exhaust gases including harmful carbon monoxide (CO) may collect
and enter the vehicle. This may lead to death or a serious health hazard.

136
LX570_OM_OM60R61U_(U)3-2. Opening, closing and locking the doors
WARNING
■Power back door
Observe the following precautions wh
en operating the power back door.
Failure to do so may cause death or serious injury.
●Check the safety of the surrounding area to make sure there are no obstacles or any-
thing that could cause any of yo ur belongings to get caught.
●If anyone is in the vicinity, make sure they are safe and let them know that the back
door is about to open or close.
●If the power back door system is turned off with the main switch while the back door is
operating automatically, the automatic operat ion is stopped. The back door then has
to be operated manually. Take extra care when on an incline, as the back door may
open or close unexpectedly.
●When the back door opener switch is pr essed a second time during an automatic
open operation that was performed by pre ssing the back door opener switch, the
operation stops and the back door has to be operated manually. At this time, take
extra care, as the back door may open or close abruptly.
●If the operating conditions of the power back door are no longer met, a buzzer may sound
and the back door may stop opening or closin g. The back door then has to be operated
manually. Take extra care when on an incline, as the back door may open or close abruptly.
●On an incline, the back door may suddenly shut after it opens. Make sure the back
door is fully open and secure.
●In the following situations, the power back door may detect an abnormality and auto-
matic operation may be stopped. In this case, the back door has to be operated man-
ually. Take extra care when on an incline, as the back door may open or close abruptly.
• When the back door contacts an obstacle
• When the battery voltage suddenly drops, such as when the engine switch is turned to
IGNITION ON mode or the engine is started during automatic operation
●If a bicycle carrier or similar heavy object is attached to the back door, the power back door
may not operate, causing itself to malfunction, or the back door may suddenly shut again
after being opened, causing some one’s hands, head or neck to be caught and injured. When
installing an accessory part to the back d oor, using a genuine Lexus part is recommended.
■Jam protection function
Observe the following precautions.
Failure to do so may cause death or serious injury.
●Never use any part of your body to intentionally activate the jam protection function.
●The jam protection function may not work if something gets caught just before the
back door fully closes. Be careful not to catch fingers or anything else.
●The jam protection function may not work depending on the shape of the object that
is caught. Be careful not to catch fingers or anything else.

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LX570_OM_OM60R61U_(U)3-2. Opening, closing and locking the doors
●If the electronic key is inside the vehicle
and a door handle becomes wet during a car
wash, a message may be shown on the mult i-information display and a buzzer will
sound outside the vehicle. To turn off the alarm, lock all the doors.
●The lock sensor may not work properly if it comes into contact with ice, snow, mud, etc.
Clean the lock sensor and attempt to operate it again, or use the lock sensor on the
lower part of the door handle.
●If there is another electronic key in the de tection area, it may take slightly longer to
unlock the doors after the do or handle is gripped or back door unlock switch is
pressed.
●A sudden approach to the effective range or door handle may prevent the doors from
being unlocked. In this case, return the door handle to the original position and check
that the doors unlock before pulling the door handle again.
■When the vehicle is not driven for extended periods
●To prevent theft of the vehicle, do not leave the electronic key within 6 ft. (2 m) of the
vehicle.
●The smart access system wi th push-button start can be deactivated in advance.
(  P. 586)
■To operate the system properly
Make sure to carry the electronic key when operating the system. Do not get the elec-
tronic key too close to the vehicle when operating the system from the outside of the
vehicle.
Depending on the position and holding condition of the electronic key, the key may not
be detected correctly and the system may not operate properly. (The alarm may go off
accidentally, or the door lock prev ention function may not operate.)
■If the smart access system with push-button start does not operate properly
●Locking and unlocking the doors: Use the mechanical key. (P. 551)
●Starting the engine: P. 552
■Customization
Settings (e. g. smart access system with push-button start) can be changed.
(Customizable features: P. 586)
■If the smart access system with push-button start has been deactivated in a customized
setting
●Locking and unlocking the doors:
Use the wireless remote cont rol or mechanical key. (P. 121, 551)
●Starting the engine and changing engine switch modes: P. 552
●Stopping the engine: P. 212

LX570_OM_OM60R61U_(U)
1553-3. Adjusting the seats
3
Operation of each component
■Alarms and indicators (vehicles with third seat)
The following table describes circumstances and correction procedures when only
alarms are sound.
*: A warning will be shown on the multi-information display in the instrument cluster.
Indicator light and buzzer Situation Correction procedure
Buzzer sounds for 10 sec-
onds Indicator light on
*
Shift lever is not in the P
position with the engine
switch in IGNITION ON
mode.
Stop the switch operation
during the automatic third
seat is in motion. Move the shift lever in the
P position with the engine
switch in IGNITION ON
mode.
Return the third seat from a
halfway position to tum-
bling position or the origi-
nal position with the third
seat return switch or third
seat tumbling switch.
Indicator light flashes*The seat movement is
stopped in a half way when
the back door is opened.
Buzzer sounds for 10 sec-
onds Indicator light
flashes
*
Automatic tumbling or
return operation is
stopped because of a sys-
tem problem.
Have the system checked
by your Lexus dealer.
The seat is not moved to
the table mode from the
original position after 10
seconds the tumbling
switch is pressed. Check something is
caught between the seat
cushion and seatback. If
nothing is caught, have the
system checked by your
Lexus dealer.
Buzzer sounds for 10 sec-
onds Indicator light blinks
slowly
*
Automatic closing opera-
tion is stopped because of
a system problem. Have the system checked
by your Lexus dealer.
Indicator light flashes
Any of the tumbling or
return switch is pushed
when shift lever is not in the
P position with the engine
switch in IGNITION ON
mode.
Move the shift lever in the
P position with the engine
switch in IGNITION ON
mode.
Indicator light flashes 3
times
Table mode switch is
pushed when shift lever is
not in the P position with
the engine switch in IGNI-
TION ON mode.

158
LX570_OM_OM60R61U_(U)3-3. Adjusting the seats
Your preferred driving position (the positi
on of the driver’s seat, steering wheel,
outside rear view mirrors and HUD [head-up display] [if equipped]) can be
entered into the computer’s memory and recalled with the touch of a button. It is
also possible to set this function to activate automatically when the doors are
unlocked.
Three different driving positions can be recorded into memory.
■Recording procedure
Check that the shift lever is in P.
Turn the engine switch to IGNITION ON mode.
Adjust the driver’s seat, steering wh eel, outside rear view mirrors and HUD
(head-up display) (if equipped) to the desired positions.
While pressing the “SET” button,
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 overwritten.
■Recall procedure
Check that the shift lever is in P.
Turn the engine switch to IGNITION ON mode.
Press one of the buttons for the
driving position you want to recall
until the buzzer sounds.
Driving position memory
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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)
1733-5. Opening, closing the windows and moon roof
3
Operation of each component
WARNING
Observe the following precautions.
Failing to do so may result in death or serious injury.
■Closing the windows
●The 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 possible for children and other passen-
gers to have body parts caught in the powe r window. Also, when riding with a child, it
is recommended to use the window lock switch. ( P. 171)
●Check to make sure that all passengers do not have any part of their body in a posi-
tion where it could be caught wh en a window is being operated.
●When using the wireless remote control or mechanical key and operating the power
windows, operate the power window after checking to make sure that there is no pos-
sibility of any passenger having any of their body parts caught in the window. Also, do
not let a child operate window by the wirele ss remote control or mechanical key. It is
possible for children and other passengers to get caught in the power window.
●When exiting the vehicle, turn the engine sw itch 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.
■Jam protection function
●Never use any part of your body to intentionally activate the jam protection function.
●The 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 win-
dow.
■Catch protection function
●Never use any part of your body or clothing to intentionally activate the catch protec-
tion function.
●The catch protection function may not work if something gets caught just before the
window is fully opened. Be ca reful not to get any part of your body or clothing caught
in the window.

LX570_OM_OM60R61U_(U)
1753-5. Opening, closing the windows and moon roof
3
Operation of each component
■The moon roof can be operated when
The engine switch is in IGNITION ON mode.
■Operating the moon roof after turning the engine off
The moon roof can be operated for approximately 45 seconds after the engine switch is
turned to ACCESSORY mode or turned off. It cannot, however, be operated once either
front door is opened.
■Jam protection function
If an object is detected between the moon r oof and the frame while the moon roof is clos-
ing or tilting down, travel is stopped and the moon roof opens slightly.
■Sunshade
The sunshade can be opened and closed manually. However, the sunshade will open
automatically when the moon roof is opened.
■Door lock linked moon roof operation
●The moon roof can be opened and closed using the mechanical key*. ( P. 551)
●The moon roof can be opened us ing the wireless remote control*. ( P. 121)
*: These settings must be cust omized at your Lexus dealer.
■If the moon roof cannot be closed automatically
Keep the switch depressed.
■When the moon roof does not close normally
Perform the following procedure:
●If the moon roof closes but then re-opens slightly
Stop the vehicle.
Press and hold the “CLOSE” switch.
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The moon roof will close, re-open an d pause for approximately 10 seconds.*2 Then
it will close again, tilt up and pause for appr oximately 1 second. Finally, it will tilt down,
open and close.
Check to make sure that the moon roof is completely closed and then release the
switch.
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