
126 3-3. Adjusting the seats
LS500_OM_(U)_1810 *
:If equipped
■
Automatic operation
The seat can be moved to preset posi-
tions.
1 Display the home screen on the
Rear Multi Operation Panel
( P.308) and then touch “Seat”.
2 Touch the desired preset button. When the operating conditions are not Power rear seat *
WARNING■
When adjusting the seat position●
Take care when ad justing the seat
position to ensure that other passen-
gers are not injured by the moving
seat.●
When adjusting the rear seat with an
ottoman, make sure there is sufficient
space so that a foot does not get
caught between the ottoman and front
passenger seat . (If equipped)●
Vehicles with a rear seat entertainment
system: When the rear seat is moving
to the Entertainment Mode position,
do not allow hands near the rear dis-
play. Otherwise, a hand or finger may
be caught, possibly causing injury.■
Seat adjustment
To reduce the risk of sliding under the lap
belt during a collision, do not recline the
seat more than necessary.
If the seat is too reclined, the lap belt may
slide past the hips and apply restraint
forces directly to the abdomen, or your
neck may contact the shoulder belt,
increasing the risk of death or serious
injury in the event of an accident.
Adjustments should not be made while
driving as the seat may unexpectedly
move and cause the driver to lose control
of the vehicle.
■
Using the ottoman (if equipped)
●
Do not sit on the ottoman.
If someone sits on th e ottoman, the seat
belt cannot be fitted properly, and they
may be thrown from the seat, resulting in
death or serious injury in the event of an
accident or sudden braking. ●
When getting in or out of the vehicle,
retract the ottoman. If the ottoman is
not retracted, it may cause a fall, result-
ing in injury. ●
Do not operate the ottoman when the
vehicle is moving. ●
Do not allow anyone to put their hands
or feet under the re ar seat when stow-
ing the ottoman.
NOTICE■
To prevent an ottoman malfunction (if
equipped) ●
Do not place any objects in the rear
seat footwell that could prevent the
operation of the ottoman. ●
Do not place heavy luggage on the
ottoman. ●
Do not place any objects under the
ottoman while it is raised for use. These
objects may interfere with the ottoman
being folded, causing damage to the
ottoman or the objects themselves. ■
To prevent a rear display malfunction
(if equipped)
Do not attempt to move the rear display
by hand, as doing so may damage the
rear display.
Adjustment procedure

1273-3. Adjusting the seats
LS500_OM_(U)_1810 3
Before driving met, the preset buttons will be grayed out.
Moves the left-hand rear seat to the
upright position (Business Mode)
Moves the right-hand rear seat to
the upright position (Business
Mode)
Moves the rear seat with an otto-
man to a slightly reclined position
(Entertainment Mode) (if
equipped)Vehicles without a rear seat entertainment
system: Moves the front passenger’s seat
forward.
Vehicles with a rear seat entertainment
system: Moves the front passenger’s seat
and rear display to allow the rear display to
be comfortably viewed.
Moves the rear seat with an otto-
man to a deeply reclined position
(Relaxation Mode) (if equipped)Moves the front passen ger’s seat forward
and folds the seatback and head restraint
forward.
To stop the front passenger seat while it is
moving, touch “STOP”.
■
Manual operation
1 Display the home screen on the
Rear Multi Operation Panel
( P.308) and then touch “Seat”.
2 Touch “Left” or “Right”. 3 Select the button for the desired
adjustment.
Head restraint adjustment
( P.135)
Shoulder bolster adjustment
Lumbar/pelvic support adjustment
Seatback angle adjustment
Seat cushion (front) angle adjust-
ment
Ottoman adjustment (if equipped)
4 Perform adjustment using the dis-
played buttons. The seat will move while a button is
touched.
■
Adjustment of the rear seat ●
When a rear seat is close to a front seat,
the operation of the rear seat may be
restricted. ●
If the rear armrest is stowed while the
seat position is bein g adjusted, the opera-
tion will stop.
■
Operating conditions of Business Mode
When the rear seat belt is not fastened and
weight is not detected on the rear seat,
Business Mode cannot be selected.
Once weight is detected on the seat, the
seat will be judged as occupied until a rear
door is opened then closed or the engine
switch is turned off and the doors are
locked.A
B
C
D A
B
C
D
E
F

132 3-3. Adjusting the seats
LS500_OM_(U)_1810 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.
When the driver’s seat adjustment
switches are in front passenger mode
( P.121), the position of the driver’s seat
cannot be registered.
To record the position of the front pas-
senger’s seat, adjust the front passen-
ger’s seat to the desired position and
perform step 4 using the buttons on
the front passenger’s side. ■
In order to correctly use the driving
position memory function
If a seat position is already in the furthest
possible position and the seat is operated in
the same direction, the recorded position
may be slightly differen t when it is recalled.
1 Turn the engine switch to IGNI-
TION ON mode.
2 Check that the shift position is in P. 3 Press one of the buttons for the
driving position you want to recall
until the buzzer sounds. When the driver’s seat adjustment
switches are in front passenger mode
( P.121), a driving position cannot be
recalled.
■
To stop the position recall operation
part-way through
Perform any of the following operations: ●
Press the “SET” button. ●
Press button “1”, “2” or “3”. ●
Press the mode change button. ●
Operate any of the seat adjustment
switches (only cancels seat position
recall). ●
Operate the tilt and telescopic steering
control switch (onl y cancels steering
wheel position recall). ■
Recalling a driving position
If a driving position is recalled, the move-
ment of the front seat may be stopped part-
way if the seat moves close to the rear seat.
If a rear passenger is determined to be in
the vehicle, the rearward movement of the
front seat may be stopped partway to
ensure sufficient space for the rear passen-
ger.
■
Recalling the front passenger’s seat
position (vehicles with a rear seat with
an ottoman)
If the ottoman of the rear seat is extended,
the front passenger’s se at position cannot
be recalled.WARNING
■
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.
Recalling a driving position

134 3-3. Adjusting the seats
LS500_OM_(U)_1810 cle easier.
If the driving position is in a position that
has already been recorded, the seat and
outside rear view mirrors will not move.
2 Turn the engine switch to ACCES-
SORY mode or IGNITION ON
mode, or fasten a seat belt.The seat, steering wheel and head-up dis-
play (if equipped) will move to the
recorded position. ■
Recalling the driving position using the
memory recall function●
Different driving positions can be regis-
tered for each electronic key. Therefore,
the driving position that is recalled may
be different depending on the key being
carried.●
If a door other than the driver’s door is
unlocked with the smart access system
with push-button start, the driving posi-
tion cannot be recalled. In this case, press
the driving position button which has
been set.■
Customization
Some functions can be customized.
( P.466) *
: If equipped
1 Turn the engine switch to IGNI-
TION ON mode.
2 Display the home screen on the
Rear Multi Operation Panel
( P.308) and then touch “Seat”.
3 Touch “Left” or “Right”.
4 Adjust the rear seat to the desired
position and then touch “Set Mem-
ory”.
5 Touch “1” or “2”. If the preset is being used, the previously
recorded seat position will be overwritten.
■
In order to correctly use the position
memory function
If a seat position is already in the furthest
possible position and the seat is operated in
the same direction, the recorded position
may be slightly differen t when it is recalled.Rear seat position memory *
The rear seat position can be mem-
orized and recalled with the touch
of a button.
Recording a position into mem-
ory
WARNING
■
Seat adjustme nt caution
Take care during seat adjustment so that
the rear passengers do not strike the
front seats.

364 6-2. Maintenance
LS500_OM_(U)_1810 6-2.Maintenance
■
Repair and replacement
It is recommended that genuine Lexus parts
be used for repairs to ensure performance
of each system. If non-Lexus parts are used
in replacement or if a repair shop other than
a Lexus dealer perfor ms repairs, confirm
the warranty coverage. ■
Allow inspection and repairs to be per-
formed by a Lexus dealer●
Lexus technicians are well-trained spe-
cialists and are kept up to date with the
latest service information. They are well
informed about the operation of all sys-
tems on your vehicle.●
Keep a copy of the repa ir order. It proves
that the maintenance that has been per-
formed is under warra nty coverage. If any
problem should arise while your vehicle is
under warranty, your Lexus dealer will
promptly take care of it. General maintenance should be per-
formed on a daily basis. This can be
done by yourself or by a Lexus dealer.
Scheduled maintenance should be
performed at specified intervals
according to the maintenance sched-
ule. For details about ma intenance items and
schedules, refer to the “Warranty and Ser-
vice Guide”, “Owner’s Manual Supple-
ment” or “Scheduled Maintenance”.
■
Resetting the message indicating main-
tenance is required
After the required maintenance is per-
formed according to the maintenance
schedule, please reset the message.
To reset the message, follow the procedure
described below:
1 Press or of the meter control
switch to select .
2 Press or to select “Vehicle Set-
tings” and then press .Maintenance requirements To ensure safe and economical driv-
ing, day-to-day care and regular
maintenance are essential. It is the
owner’s responsibility to perform
regular checks. Lexus recommends
the maintenance below.
WARNING
■
If your vehicle is not properly main-
tained
Improper maintenanc e could result in
serious damage to the vehicle and possi-
ble death or serious injury.
■
Handling of the battery
●
Engine exhaust, some of its constitu-
ents, and a wide variety of automobile
components contain or emit chemicals
known to the State of California to
cause cancer and birth defects and
other reproductive harm. Work in a
well ventilated area. ●
Oils, fuels and fluids contained in vehi-
cles as well as waste produced by
component wear contain or emit
chemicals known to the State of Cali-
fornia to cause cancer and birth
defects or other re productive harm.
Avoid exposure and wash any affected
area immediately. ●
Battery posts, terminals and related
accessories contai n lead and lead
compounds which are known to cause
brain damage. Wash your hands after
handling. ( P.380)
General maintenance
Scheduled maintenance

3656-2. Maintenance
LS500_OM_(U)_1810 6
Maintenance and care 3 Press or to select “Scheduled
Maintenance” and then press .
4 Press or to select “Yes” and
then press .
A message will be displayed on the
multi-information disp lay when the reset
procedure has been completed.
You can perform some maintenance
procedures by yourself.
Please be aware that do-it-yourself
maintenance may affect warranty cov-
erage. The use of Lexus repair manuals is recom-
mended.
For details about warra nty coverage, refer
to the separate “Owner’s Guide”, “War-
ranty and Service Guide”, “Owner’s Man-
ual Supplement” or “Warranty Booklet”.Do-it-yourself maintenance General maintenance Listed below are the general main-
tenance items that should be per-
formed at the intervals specified in
the “Warranty and Service Guide”
or “Owner’s Manual Supplement”.
It is recommended that any prob-
lem you notice should be brought to
the attention of your Lexus dealer
or qualified service shop for advice. WARNING■
If the engine is running
Turn the engine off and ensure that there
is adequate ventilati on before perform-
ing maintenance checks.
Engine compartment Items Check points
Brake fluid Is the brake fluid at the
correct level?
( P.379)
Engine/inter-
cooler coolant Is the engine/inter-
cooler coolant at the
correct level?
( P.377)
Engine oil Is the engine oil at the
correct level?
( P.375)
Exhaust system There should not be
any fumes or strange
sounds.

3776-3. Do-it-yourself maintenance
LS500_OM_(U)_1810 6
Maintenance and care engine oil may need to be refilled in
between oil maintenance intervals. ●
When the engine is new, for example
directly after purchasing the vehicle or
after replacing the engine●
If low quality oil or oil of an inappropriate
viscosity is used●
When driving at high engine speeds or
with a heavy load, or when driving while
accelerating or decelerating frequently●
When leaving the engine idling for a long
time, or when driving frequently through
heavy traffic■
After changing the engine oil
The engine oil maintena nce data should be
reset. Perform the following procedures:
1 Press or of the meter control
switch to select .
2 Press or to select “Vehicle Set-
tings” and then press .
3 Press or to select “Oil Mainte-
nance” and then press .
4 Press or to select “Yes” and
then press .
A message will be displayed on the
multi-information disp lay when the reset
procedure has been completed.
The coolant level is satisfactory if it is
between the “F” and “L” lines on the
reservoir when the engine is cold. ■
Engine coolant reservoir
Reservoir capWARNING
■
Used engine oil●
Used engine oil contains potentially
harmful contaminants which may
cause skin disorders such as inflamma-
tion and skin cancer, so care should be
taken to avoid prolonged and
repeated contact. To remove used
engine oil from your skin, wash thor-
oughly with soap and water. ●
Dispose of used oil and filters only in a
safe and acceptable manner. Do not
dispose of used oil and filters in house-
hold trash, in sewers or onto the
ground.
Call your Lexus dealer, service station
or auto parts store for information
concerning recycling or disposal. ●
Do not leave used engine oil within the
reach of children.
NOTICE■
To prevent serious engine damage
Check the oil level on a regular basis. ■
When replacing the engine oil ●
Be careful not to spill engine oil on the
vehicle components. ●
Avoid overfilling, or the engine could
be damaged. ●
Check the oil level on the dipstick
every time you re fill the vehicle.●
Be sure the engine o il filler cap is prop-
erly tightened.
Checking the coolant
A

428 7-2. Steps to take in an emergency
LS500_OM_(U)_1810 becomes available again. ■
If “Front Camera Unavailable” or “Front
Camera Unavailable See Owner's
Manual” is displayed
The following systems may be suspended
until the problem shown in the message is
resolved. ( P.196, 202, 421)●
PCS (Pre-Collision system)●
LTA (Lane Tracing Assist)●
Dynamic radar cruise control with
full-speed range●
RSA (Road Sign Assist) (if equipped)●
AHB (Automatic High Beam)■
If “Maintenance Required Soon” is dis-
played
Indicates that all maintenance according to
the driven distance on the maintenance
schedule *
should be performed soon.
Comes on approximately 4500 miles
(7200 km) after the message has been
reset. If necessary, perform maintenance.
Please reset the message after the mainte-
nance is performed. ( P.364)*
: Refer to the separa te “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the maintenance interval
applicable to your vehicle.■
If “Maintenance Required Visit Your
Dealer” is displayed
Indicates that all maintenance is required to
correspond to the driven distance on the
maintenance schedule *
.
Comes on approximately 5000 miles
(8000 km) after the message has been
reset. (The indicator will not work properly
unless the message ha s been reset.) Per-
form the necessary maintenance. Please
reset the message after the maintenance is
performed. ( P.364)*
: Refer to the separa te “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the maintenance interval
applicable to your vehicle. ■
If “Oil Maintenance Required Soon” is
displayed
Indicates that the engine oil should be
scheduled to be changed.
Check the engine oil an d change it if neces-
sary. After changing th e engine oil, make
sure to reset the message. ( P.377)■
If “Oil Maintenance Required” is dis-
played
Indicates that the engine oil should be
changed.
Check and change the en gine oil, and oil fil-
ter by your Lexus dealer. After changing the
engine oil, make sure to reset the message.
( P.377) ■
If “Shift System Malfunction Driving
Unavailable” is displayed
There is a malfunction in the shift control
system. Have the vehicle inspected by your
Lexus dealer immediately. ■
If a message that indicates the need for
the shift lever operation is displayed
To prevent the shift le ver from being oper-
ated incorrectly or the vehicle from moving
unexpectedly, a message that requires shift-
ing the shift position may be displayed on
the multi-information display. In that case,
follow the instruction of the message and
shift the shift position. ■
If a message that indicates the need for
visiting your Lexus dealer is displayed
The system or part shown on the
multi-information display is malfunctioning.
Have the vehicle inspected by your Lexus
dealer immediately.
■
If a message that indicates the need for
referring to Owner’ s Manual is dis-
played
●
If any of the following messages are
shown on the multi-information display,
follow the instructions.
• “Engine Coolant Temp High” ( P.440)
•“Battery Low” ( P.435)
• “Transmission Fluid Temp High” ( P.168)
●
If any of the following messages are
shown on the multi-info rmation display, it
may indicate a malf unction. Have the
vehicle inspected by your Lexus dealer