check engine lexus LC500h 2018 / LEXUS 2018 LC500,LC500H (OM11405U) Owner's Guide

1364-1. Before driving
LC500_LC500h_OM_OM11405U_(U)
Cargo capacity depends on the total
weight of the occupants.
(Cargo capacity) = (Total load capac-
ity)  (Total weight of occupants)
NOTICE
●It may be difficult to control your vehi-
cle.
●The vehicle will make abnormal
sounds or vibrations.
●The vehicle will lean abnormally.
Information on what to do in case of a flat
tire ( P.350)
■When encountering flooded roads
Do not drive on a road that has flooded
after heavy rain etc. Doing so may cause
the following serious damage to the vehi-
cle:
●Engine stalling
●Short in electrical components
●Engine damage caused by water
immersion
In the event that you drive on a flooded
road and the vehicle is flooded, be sure
to have your Lexus dealer check the fol-
lowing:
●Brake function
●Changes in quantity and quality of oil
and fluid used for the engine, transmis-
sion, differential, etc.
●Lubricant condition for the propeller
shaft, bearings and suspension joints
(where possible), and the function of
all joints, bearings, etc.
If the shift control system is damaged by
flooding, it may not be possible to shift
the shift position to P, or from P to other
positions. In this case, contact your Lexus
dealer.
■When parking the vehicle
Always set the parking brake, and shift
the shift position to P. Failure to do so
may cause the vehicle to move or the
vehicle may accelerate suddenly if the
accelerator pedal is accidentally
depressed.
Cargo and luggage
Take notice of the following infor-
mation about storage precautions,
cargo capacity and load:
WARNING
■Things that must not be carried in the
trunk
The following things may cause a fire if
loaded in the trunk:
●Receptacles containing gasoline
●Aerosol cans
■Storage precautions
Observe the following precautions.
Failure to do so may prevent the pedals
from being depressed properly, may
block the driver’s vision, or may result in
items hitting the driver or passengers,
possibly causing an accident.
●Stow cargo and luggage in the trunk
whenever possible.
●Do not place cargo or luggage in or on
the following locations.
• At the feet of the driver
• On the front passenger or rear seats (when stacking items)
• On the package tray
• On the instrument panel
•On the dashboard
• In front of the Center Display
●Secure all items in the occupant com-
partment.
Capacity and distribution

1404-2. Driving procedures
LC500_LC500h_OM_OM11405U_(U)
4-2.Driving procedures
1Press the parking brake switch to
check that the parking brake is set.
(P.162)
Parking brake indicator will come on.
2 Firmly depress the brake pedal.
and a message will be displayed on
the multi-information display.
If it is not displayed, the engine cannot be
started.
3 Press the engine switch shortly and
firmly.
When operating the engine switch, one
short, firm press is enough. It is not neces-
sary to press and hold the switch.
The engine will crank until it starts or for up
to 30 seconds, whichever is less.
Continue depressing the brake pedal until
the engine is completely started.
The engine can be started from any engine switch mode.
■Engine switch illumination
According to the situation, the engine
switch illumination operates as follows.
●When a door is opened, or the engine
switch mode is changed from ACCES-
SORY or IGNITION ON mode to off,
the engine switch illumination slowly
blinks.
●When depressing the brake pedal with
carrying the electric key on your person,
the engine switch illumination rapidly
blinks.
●When the engine sw itch is in ACCES-
SORY or IGNITION ON mode, the
engine switch illumination illuminates.
■If the engine does not start
●The engine immobilizer system may not
have been deactivated. ( P.62)
Contact your Lexus dealer.
●If a message related to start-up is shown
on the multi-information display, read the
message and follow the instructions.
■If the 12-volt batte ry is discharged
The engine cannot be started using the
smart access system with push-button start.
Refer to P.358 to restart the engine.
■Electronic key battery depletion
 P.96
Engine (ignition) switch
(LC500)
Performing the following opera-
tions when carryin g the electronic
key on your person starts the
engine or changes engine switch
modes.
Starting the engine

1414-2. Driving procedures
LC500_LC500h_OM_OM11405U_(U)
4
Driving
■Conditions affe cting operation
 P.108
■Notes for the entry function
 P.108
■Steering lock function
●After turning the engine switch off and
opening and closing the doors, the steer-
ing wheel will be lock ed due to the steer-
ing lock function. Operating the engine
switch again automatically cancels the
steering lock.
●When the steering lock cannot be
released, “Push engine switch while turn-
ing the steering wheel in either direction”
will be displayed on the multi-information
display.
Press the engine switch shortly and firmly
while turning the steering wheel left and
right.
●To prevent the steering lock motor from
overheating, operation of the motor may
be suspended if the engine is turned on
and off repeatedly in a short period of
time. In this case, refrain from operating
the engine switch. After about 10 sec-
onds, the steering lock motor will resume
functioning.
■If there is a malfun ction in the smart
access system with push-button start
If “Access System with Elec. Key Malfunc-
tion” is displayed on the multi-information
display, the system may be malfunctioning.
Have the vehicle inspected by your Lexus
dealer immediately.
■Electronic key battery
 P.318
■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 imme-
diately after turning th
e engine switch off,
the engine may not start in some cases.
After turning the engine switch off, please
wait a few seconds be fore restarting the
engine.
■Customization
If the smart access system with push-button
start has been deactivated in a customized
setting, refe r to P.355.
WARNING
■When starting the engine
Always start the engine while sitting in
the driver’s seat. Do not depress the
accelerator pedal while starting the
engine under any circumstances.
Doing so may cause an accident result-
ing in death or serious injury.
■Caution while driving
If engine failure occurs while the vehicle
is moving, do not lock or open the doors
until the vehicle reaches a safe and com-
plete stop. Activation of the steering lock
in this circumstance may lead to an acci-
dent, resulting in death or serious injury.
NOTICE
■When starting the engine
●Do not race a cold engine.
●If the engine becomes difficult to start
or stalls frequently, have your vehicle
checked by your Lexus dealer immedi-
ately.
■Symptoms indicating a malfunction
with the engine switch
If the engine switch seems to be operat-
ing somewhat differently than usual, such
as the switch sticking slightly, there may
be a malfunction. Contact your Lexus
dealer immediately.

1424-2. Driving procedures
LC500_LC500h_OM_OM11405U_(U)
1Stop the vehicle completely.
2 If the parking brake is in manual
mode, set the parking brake.
(P.162)
3 Shift the shift position to P.
(P.152)
Check that the shift position indicator
shows P. ( P.151)
4 Press the engine switch.
The engine will stop, and the meter display
will be extinguished (the shift position indi-
cator will be extinguished a few seconds
after the meter display).
5 Check that “ACCESSORY” or
“IGNITION ON” is not shown on
the meter.
■Automatic P position selection function
 P.152
Modes can be changed by pressing
the engine switch with the brake pedal
released. (The mode changes each
time the switch is pressed.)
1 Off
The emergency flashers can be used.
2ACCESSORY mode
Some electrical components such as the
audio system can be used.
“ACCESSORY” will be displayed on the
meter.
3IGNITION ON mode
All electrical components can be used.
“IGNITION ON” will be displayed on the
Stopping the engine
WARNING
■Stopping the engine in an emergency
●If you want to stop the engine in an
emergency while driving the vehicle,
press and hold the engine switch for
more than 2 seconds, or press it briefly
3 times or more in succession.
( P.326)
However, do not touch the engine
switch while driving except in an emer-
gency. Turning the engine off while
driving will not cause loss of steering
or braking control, however, power
assist to the steering will be lost. This
will make it more difficult to steer
smoothly, so you should pull over and
stop the vehicle as soon as it is safe to
do so.
●If the engine switch is operated while
the vehicle is running, a warning mes-
sage will be shown on the multi-infor-
mation display and a buzzer sounds.
●When restarting the engine after an
emergency shutdown, press the
engine switch.
Changing engine switch modes

1434-2. Driving procedures
LC500_LC500h_OM_OM11405U_(U)
4
Driving
meter.
■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 position in
P, the engine switch will automatically turn
off. However, this fu nction cannot entirely
prevent the 12-volt battery discharge. Do
not leave the vehicle with the engine switch
in ACCESSORY or IGNITION ON mode
for long periods of time when the engine is
not running.
■When the shift control system malfunc-
tions
When attempting to turn the engine switch
off while there is a malfunction in the shift
control system, the engine switch mode
may change to ACCESSORY mode. In this
case, ACCESSORY mode may be turned
off by applying the parking brake and press-
ing the engine switch again. If there is a mal-
function in the system, have the vehicle
inspected by your Lexus dealer immedi-
ately.1 Press the parking brake switch to
check that the parking brake is set.
(P.162)
Parking brake indicator will come on.
2 Firmly depress the brake pedal.
and a message will be displayed on
the multi-information display.
If it is not displayed, the hybrid system can-
not be started.
When the shift position is N, the hybrid sys-
tem cannot start. Shift the shift position to P
when starting the hybrid system. ( P.158)
3 Press the power switch shortly and
firmly.
When operating the power switch, one
short, firm press is enough. It is not neces-
sary to press and hold the switch.
If the “READY” indicator turns on, the
hybrid system will operate normally.
Continue depressing the brake pedal until
the “READY” indicat or is illuminated.
The hybrid system can be started from any
power switch mode.
NOTICE
■To prevent 12-volt battery discharge
●Do not leave the engine switch in
ACCESSORY or IGNITION ON
mode for long period s of time without
the engine running.
●If “ACCESSORY” or “IGNITION
ON” is displayed on the meter, the
engine switch is not off.
Exit the vehicle after turning the
engine switch off.
Power (ignition) switch
(LC500h)
Performing the following opera-
tions when carrying the electronic
key on your person starts the hybrid
system or changes power switch
modes.
Starting the hybrid system

1444-2. Driving procedures
LC500_LC500h_OM_OM11405U_(U)
4Check that the “READY” indicator
is illuminated.
If the “READY” indicator changes from a
flashing light to a solid light and the buzzer
sounds, the hybrid system is starting nor-
mally.
The vehicle will not move when the
“READY” indicator is off.
The vehicle can move when the “READY”
indicator is on even if the engine is
stopped.(The gasoline engine starts or
stops automatically in accordance with the
state of the vehicle.)
■Power switch illumination
According to the situation, the power
switch illumination operates as follows.
●When a door is opened, or the power
switch mode is changed from ACCES-
SORY or ON mode to off, the power
switch illumination slowly blinks.
●When depressing the brake pedal with
carrying the electric key on your person,
the power switch illu mination rapidly
blinks.
●When the power swit ch is in ACCES-
SORY or ON mode, the power switch
illumination illuminates.
■If the hybrid system does not start
●The immobilizer system may not have
been deactivated. ( P.62)
Contact your Lexus dealer.
●If a message related to start-up is shown
on the multi-information display, read the
message and follow the instructions.
■When the ambient temperature is low,
such as during winter driving conditions
●When starting the hybrid system, the
flashing time of the “READY” indicator
may be long. Leave the ve hicle as it is until
the “READY” indicator is steady on, as
steady means the vehicle is able to move.
●When the hybrid battery (traction bat-
tery) is extremely cold (below approxi-
mately -22°F [-30°C]) under the
influence of the outside temperature, it
may not be possible to start the hybrid
system. In this case, try to start the hybrid
system again after the temperature of the
hybrid battery increases due to the out-
side temperature increase etc.
■Sounds and vibrations specific to a
hybrid vehicle
 P.56
■If the 12-volt batte ry is discharged
The hybrid system cannot be started using
the smart access syst em with push-button
start. Refer to P.358 to restart the hybrid
system.
■Electronic key battery depletion
 P.96
■Conditions affecting operation
 P.108
■Notes for the entry function
 P.108
■Steering lock function
●After turning the power switch off and
opening and closing the doors, the steer-
ing wheel will be lock ed due to the steer-
ing lock function. Operating the power
switch again automatically cancels the
steering lock.
●When the steering lock cannot be
released, “Push power switch while turn-
ing the steering wheel in either direction”
will be displayed on the multi-information
display.
Press the power switch shortly and firmly
while turning the steering wheel left and
right.

1524-2. Driving procedures
LC500_LC500h_OM_OM11405U_(U)Shift lever display:
The current shift position is illuminated.
When selecting the shift position, make
sure that the shift position has been
changed to the desired position by check-
ing the shift position indicator provided on
the instrument cluster.
P position switch
■When shifting the shift position to P
Fully stop the vehicle and set the park-
ing brake, and then press the P position
switch.
When the shift position is changed to P, the
switch illuminates.
Check that the shift position indicator
shows P.
■Shifting the shift position from P to
other positions
 While depressing the brake pedal
firmly, operate the shift lever. If the
shift lever is operated without
depressing the brake pedal, the
buzzer will sound and the shifting
operation will be disabled.
 When selecting the shift position,
make sure that the shift position has
been changed to the desired posi-
tion by checking the shift position
indicator provided on the instru-
ment cluster.
 The shift position cannot be
changed from P to M directly.
■Automatic P position selection function
In the following situations, the shift position
is automatically changed to P.
●When pressing the engine switch with the
vehicle stopped while th e engine switch is
in IGNITION ON mode and the shift
position is in a position other than P (after
the shift position has changed to P, the
engine switch will turn off)
*
●When the vehicle is stopped after the
engine has been stopped in an emer-
gency while driving
●When voltage of the 12-volt battery
drops while the shift po sition is in a posi-
tion other than P
*:When the engine swit ch is pressed while
WARNING
■For the shift lever
●Do not remove the shift lever knob or
use anything but a genuine Lexus shift
lever knob. Also, do not hang anything
on the shift lever.
Doing so could prevent the shift lever
from returning to position, causing
unexpected accidents to occur when
the vehicle is in motion.
●In order to prevent the shift position
from accidentally being changed, do
not touch the shift lever when not using
them.
P position switch
C

1534-2. Driving procedures
LC500_LC500h_OM_OM11405U_(U)
4
Driving
driving at extremely slow speeds, such as
immediately before stopping the vehicle,
the shift position may automatically
change to P. Make sure that the vehicle is
completely stopped be fore pressing the
engine switch.
■If the shift position cannot be shifted
from P
There is a possibility that the 12-volt battery
is discharged. Check the 12-volt battery in
this situation. ( P.357)
■Driving mode
 P.208
■Snow mode
Snow mode can be se lected to suit the
conditions when driving on slippery
road surfaces, such as on snow.
Turn backward.
The snow mode indicator illuminates.
Turn backward again to return to
normal mode.
■Snow mode automatic deactivation
Snow mode is automatically deactivated if
the engine switch is turned off after driving
in snow mode.
To drive using temporary shift range
selection, operate the “-” or “+” paddle
shift switch.
When the “-” paddle shift switch is
operated, the shift range switches to a
range that enables engine braking
force that is suitable to driving condi-
tions. When the “+” paddle shift switch
is operated, the shift range switches to
a range that is one range higher than
the current range.
Changing the shift range allows
restriction of the highest gear, prevent-
WARNING
■P position switch
●Do not press the P position switch
while the vehicle is moving.
If the P position switch is pressed when
driving at very low speeds (for exam-
ple, directly before stopping the vehi-
cle), the vehicle may stop suddenly
when the shift position switches to P,
which could lead to an accident.
●In order to prevent the shift position
from accidentally being changed, do
not touch the P position switch or shift
lever when not using them.
NOTICE
■Notes regarding shift lever and P
position switch operation
Avoid repeatedly operating the shift
lever and P position switch in quick suc-
cession.
The system protection function may acti-
vate and it will not be temporarily possi-
ble to shift the shift position other than P.
If this happens, plea se wait for a while
before attempting to change the shift
position again.
Selecting the driving mode
Selecting shift ranges in the D
position

1594-2. Driving procedures
LC500_LC500h_OM_OM11405U_(U)
4
Driving
driving at extremely slow speeds, such as
immediately before stopping the vehicle,
the shift position may automatically
change to P. Make sure that the vehicle is
completely stopped be fore pressing the
power switch.
■If the shift position cannot be shifted
from P
There is a possibility that the 12-volt battery
is discharged. Check the 12-volt battery in
this situation. ( P.357)
■Driving mode
 P.208
■Snow mode
Snow mode can be se lected to suit the
conditions when driving on slippery
road surfaces, such as on snow.
Turn backward.
The snow mode indicator illuminates.
Turn backward again to return to
normal mode.
■Snow mode automatic deactivation
Snow mode is automatically deactivated if
the power switch is turned off after driving
in snow mode.
To drive using temporary shift range
selection, operate the “-” or “+” paddle
shift switch.
When the “-” paddle shift switch is
operated, the shift range switches to a
range that enables engine braking
force that is suitable to driving condi-
tions. When the “+” paddle shift switch
is operated, the shift range switches to
a range that is one range higher than
the current range.
Changing the shift range allows
restriction of the highest gear, prevent-
WARNING
■P position switch
●Do not press the P position switch
while the vehicle is moving.
If the P position switch is pressed when
driving at very low speeds (for exam-
ple, directly before stopping the vehi-
cle), the vehicle may stop suddenly
when the shift position switches to P,
which could lead to an accident.
●In order to prevent the shift position
from accidentally being changed, do
not touch the P position switch or shift
lever when not using them.
NOTICE
■Notes regarding shift lever and P
position switch operation
Avoid repeatedly operating the shift
lever and P position switch in quick suc-
cession.
The system protection function may acti-
vate and it will not be temporarily possi-
ble to shift the shift position other than P.
If this happens, plea se wait for a while
before attempting to change the shift
position again.
Selecting the driving mode
Selecting shift ranges in the D
position

1624-2. Driving procedures
LC500_LC500h_OM_OM11405U_(U)
■Turn signals can be operated when
The engine switch is in
IGNITION ON mode .
■If the indicator flashes faster than usual
Check that a light bulb in the front or rear
turn signal lights has not burned out.
■If the turn signals stop flashing before a
lane change has been performed
Operate the lever again.
■Customization
 P.391
■Using the manual mode
The parking brake can be set and
released manually.
U.S.A.
Canada
1 Push the switch to set the parking
brake
The parking brake indi cator light will turn
on.
Press and hold the parking brake switch if
an emergency occurs and it is necessary to
operate the parking brake while driving.
Parking brake
The parking brake can be set or
released automatically or manually.
In automatic mode, the parking
brake can be set or released auto-
matically according to shift lever
operation. Also, even in automatic
mode, the parking brake can be set
or released manually.
Operating instructions
A
B