2018 LEXUS LS500 engine

892-1. Instrument cluster
LS500_OM_OM50F54U_(U) 2
Vehicle status information and indicators Display the vehicle information on the
side display ( → P.307), and then select
or to display the desired
screen.
The image is an example only, and may
vary slightly from actual conditions.
Displays the average fuel consumption
for the past 10 minutes in 1 minute
intervals, as well as the cruising range. ■
Trip information (type A)
Use the displayed average fuel consump-
tion as a reference. ■
Trip information (type B)
Displays the cruising range, latest fuel
consumption and the amount of time
elapsed since the engine was started.
Use the displayed average fuel consump-
tion as a reference. ■
History
Displays the average fuel consumption
and highest fuel consumption.
Use the displayed average fuel consump-
tion as a reference.Using the side display

92 3-1. Key information
LS500_OM_OM50F54U_(U) 3-1.Key information
The following keys are provided with
the vehicle.
Electronic keys• Operating the smart access system with
push-button start ( →
P.107 )
• Operating the wireless remote control
function ( →
P.94 )
Mechanical keys
Key number plate
Card key (electronic key) (if
equipped)Operating the smart access system with
push-button start ( → P.107)
■
Card key (if equipped)
●
The card key is not waterproof.
●
The mechanical key that is stored inside
the card key should be used only if a
problem arises, such as when the card key does not operate properly. ●
If it is difficult to take out the mechanical
key, push down the lock release button
using a pen tip etc. If it is still difficult to
pull it out, use a coin etc. ●
To store the mechanical key in the card
key, insert it while pressing the lock
release button.
●
If the battery cover is not installed and the
battery falls out or if the battery was
removed because the key got wet, rein-
stall the battery with the positive terminal
facing the Lexus emblem.
■
When riding in an aircraft
When bringing an electronic 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 acci-
dentally. Pressing a button may cause the
electronic key to em it 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.
(The card key battery life is about a year
and a half.)
●
If the battery becomes low, an alarm will
sound in the cabin and a message will be
shown on the multi-information display
when the engine is stopped.Keys
The keys
A
B
C
D

96 3-2. Opening, closing and locking the doors and trunk
LS500_OM_OM50F54U_(U) 3-2.Opening, closing and locking the doors and trunk
■
Smart access system with
push-button start
Carry the electronic key to enable this
function.
1 Grip the driver’s door handle to
unlock the door. Holding the
driver’s door ha ndle for approxi-
mately 2 seconds unlocks all the
doors. Grip any passenger door
handle to unlock all the doors. *
Make sure to touch the sensor on the back
of the handle.
The doors cannot be unlocked for 3 sec-
onds after the doors are locked. *
: The door unlock settings can be
changed.
2 Touch the lock sensor (indentation
on the upper part of the door han-
dle) to lock all the doors.Check that the door is securely locked. ■
Wireless remote control
1 Locks all the doors Check that the door is securely locked.
2 Unlocks all the doors Pressing the button unlocks the driver’s
door. Pressing the button again within 5
seconds unlocks the other door.
Press and hold to open the windows *1
and
moon roof *1,2
or panoramic moon roof *1,2
.*1
: This setting must be customized at your
Lexus dealer. *2
: If equipped
■
Switching the door unlock function
It is possible to set which doors the entry
function unlocks using the wireless remote
control.
1 Turn the engine switch off.
2 When the indicator light on the key sur-
face is not on, press and hold ,
or for approximately 5
seconds while pre ssing and holding
.
The setting changes each time an operation
is performed, as shown below. (When
changing the setting continuously, release
the buttons, wait for at least 5 seconds, and
repeat step 3 .)Doors
Unlocking and locking the doors
from the outside

993-2. Opening, closing and locking the doors and trunk
LS500_OM_OM50F54U_(U) 3
Before driving When the door is unlocked, the inside lock
button will pop up.
■
Locking the front doors from the outside
without a key
1 Push down the inside lock button.
2 Close the door.
The door cannot be locked if the engine
switch is in ACCESSORY or IGNITION
ON mode, or the electronic key is left
inside the vehicle. However, the key may not
be detected correctly and the door may be
locked. ■
Door closer (if equipped)
In the event that a door is left slightly open,
the door closer will automatically close it to
the fully closed position. ●
The door closer will operate regardless
of the engine switch mode.●
The door closer will not function if the
door has been clos ed while pulling the
inside or outside door handle.●
The door can be opened by pulling the
inside or outside door handle, even when
the door closer is operating (except
when the lock button is in the lock posi-
tion or the child-protector lock is set).
●
A motor sound may be heard for several
seconds after the door closer closes the
door. This does not indicate a malfunc-
tion.
■
Open door warning buzzer
If a door or the trunk is not fully closed, a
buzzer will sound when the vehicle speed
reaches 3 mph (5 km/h).
The open door(s) or trunk is indicated on
the multi-information display. The door cannot be opened from
inside the vehicle when the lock is set. WARNING■
Door closer (if equipped)
In the event that a d oor is left slightly
open, the door closer will automatically
close it to the fully closed position. It
takes several second s before the door
easy closer begins to operate.
If the child-protector lock is set, the door
closer will not stop during operation even
if an attempt is made to open the door
from inside the vehicle. Be careful not to
catch fingers or anything else in the door.
Failure to do so may result in serious
injury.
NOTICE■
To prevent door closer malfunction (if
equipped)
Do not frequently repeat opening and
closing of doors, or apply excessive force
to a door while the door closer is operat-
ing.
Rear door child-protector lock

100 3-2. Opening, closing and locking the doors and trunk
LS500_OM_OM50F54U_(U) 1 Unlock
2 LockThese locks can be set to prevent children
from opening the rear doors. Push down
on each rear door switch to lock both rear
doors.
The following functions can be set or
canceled: For instructions on customizing, refer to
P.468.
Automatic door locking and
unlocking systems Function Operation
Speed linked
door locking
function All doors are automati-
cally locked when vehi-
cle speed is
approximately 12 mph
(20 km/h) or higher.
Shift position
linked door lock-
ing function All doors are automati-
cally locked when the
shift position is shifted
to a position other than
P.
Shift position
linked door
unlocking func-
tion All doors are automati-
cally unlocked when
the shift position is
shifted to P.
Driver’s door
linked door
unlocking func-
tion All doors are automati-
cally unlocked when
driver’s door is opened
within approximately
45 seconds after turn-
ing the engine switch
off. Trunk The trunk can be opened using the
trunk opener switch, entry function
or wireless remote control.
If the vehicle is equipped with a
power trunk opener and closer, the
trunk can be closed using the trunk
closer. WARNING
Observe the following precautions.
Failure to do so may result in death or
serious injury. ■
Before driving ●
Make sure that the trunk lid is fully
closed. If the trunk lid is not fully
closed, it may open unexpectedly
while driving and hit near-by objects or
luggage in the trunk may be thrown
out, causing an accident. ●
Do not allow children to play in the
trunk.
If a child is accident ally locked in the
trunk, they could suffer from heat
exhaustion, suffocation or other inju-
ries.
●
Do not allow a child to open or close
the trunk lid.
Doing so may cause the trunk lid to
open unexpectedly, or cause the
child’s hands, head, or neck to be
caught by the closing trunk lid.
■
Important points while driving
Never let anyone sit in the trunk. In the
event of sudden braking or a collision,
they are susceptible to death or serious
injury.
■
Using the trunk
Observe the following precautions.
Failure to do so may cause parts of the
body to be caught, resulting in serious
injury.

102 3-2. Opening, closing and locking the doors and trunk
LS500_OM_OM50F54U_(U) ■
Trunk opener switch
Press the trunk opener switch. If the vehicle is equipped with a power
trunk opener and closer, the trunk lid will
fully open.WARNING●
On an incline, the trunk lid may sud-
denly shut after it opens automatically.
Make sure the trunk lid is fully open
and secure before using the trunk.●
In the following situations, the power
trunk opener and closer may detect an
abnormality and automatic operation
may be stopped. In this case, the trunk
lid has to be operated manually. Take
extra care in this situation, as the
stopped trunk lid ma y suddenly shut,
causing an accident.
• When the trunk lid contacts an obsta-
cle
• 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●
Do not attach any accessories other
than genuine Lexus parts to the trunk
lid. The power trunk opener and closer
may not operate, caus ing itself to mal-
function, or the trun k lid may suddenly
shut again after it is opened.■
Hands Free Power Trunk Lid (if
equipped)
Observe the following precautions.
Failure to do so may cause serious injury.
●
Exhaust gasses cause the exhaust
pipes to become quite hot. When
operating the Hands Free Power Trunk
Lid, be careful not to touch the exhaust
pipe.
●
Do not operate the Hands Free Power
Trunk Lid if there is little space under
the rear bumper.
■
Jam protection function
Observe the following precautions.
Failure to do so may cause serious injury.
●
Never use any part of your body to
intentionally activate the jam protec-
tion function. ●
The jam protection function may not
work if something gets caught just
before the trunk lid fully closes. Be
careful not to catch fingers or anything
else in the trunk lid. ●
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.
NOTICE■
To prevent trunk easy closer malfunc-
tions
Do not apply force to the trunk lid while
the trunk easy closer is operating. ■
To prevent damage to the power
trunk opener and closer (vehicles
with power trunk opener and closer) ●
Make sure that there is no luggage or
snow on the trunk lid before operating
the power trunk opener and closer. In
addition, make sure that there is no ice
between the trunk lid and frame that
prevents movement of the trunk lid.
Operating the power trunk opener
and closer when excessive load is
present on the trunk lid may cause a
malfunction.
●
Do not apply excessive force to the
trunk lid while the power trunk opener
and closer is operating.
Opening/closing the trunk

104 3-2. Opening, closing and locking the doors and trunk
LS500_OM_OM50F54U_(U) while the trunk lid is closing, the trunk lid
will open. ■
Trunk closer switch (vehicles with
power trunk opener and closer)
Press the trunk closer switch. A buzzer will sound and the trunk lid will
fully close.
Pressing the switch while the trunk lid is
closing opens the trunk lid again.
■
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 lid light/trunk light
●
The trunk lid light/tru nk light turns on
when the trunk is opened.
●
If the trunk lid light/tru nk light is left on
when the engine switch is turned off, the
light will go off automatically after 20
minutes. ■
Trunk easy closer
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 engine 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 electronic key left inside
the trunk will sound an alarm.
In this case, the trun k lid can be opened
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.
■
Hands Free Power Trunk Lid operating
conditions (if equipped)
The Hands Free Power Trunk Lid (kick sen-
sor) is enabled and the engine switch is
turned off.
■
Overload protection function (vehicles
with power trunk opener and closer)
The trunk lid will not operate wh en exces-
sive load is present on the top of the trunk
lid.

1073-2. Opening, closing and locking the doors and trunk
LS500_OM_OM50F54U_(U) 3
Before driving ■
Antenna location
Antennas outside the cabin
Antennas inside the cabin
Antenna inside the trunk
Antenna outside the trunk ■
Effective range (areas within which the
electronic key is detected)
When locking or unlocking the doors
The system can be operated when the
electronic key is within about 2.3 ft. (0.7 m)
of an outside door handle. (Only the doors
detecting the key can be operated.)
When opening the trunk
The system can be operated when the
electronic key is within about 2.3 ft. (0.7 m)
of the trunk release button.
When starting the engine or changing
engine switch modes
The system can be operated when the
electronic key is inside the vehicle. ■
Alarms and warning messages
An alarm sounds and warning messages
are displayed on the multi-information dis-
play to protect against unexpected acci-
dents or theft of the vehicle resulting from
erroneous operation. When a warning mes-
sage is displayed, take appropriate mea-
sures based on the displayed message.
( → P.428)
When only an alarm sounds, circumstances
and correction procedures are as follows.
●
When an exterior alarm sounds once for
5 secondsSmart access system with
push-button start The following operations can be
performed simply by carrying the
electronic key (including the card
key) on your person, for example in
your pocket. The driver should
always carry the electronic key.
 Locks and unlocks the doors
( → P.96)
 Opens the trunk ( → P.103)
 Starts the engine ( → P.160)
A
B
C
D A
B
C