2018 Lexus LC500h check engine light

4TABLE OF CONTENTS
LC500_LC500h_OM_OM11405U_(U)
Positioning a floor jack...............289
Engine compartment................... 291
12-volt battery................................ 298
Tires .................................................... 301
Replacing the tire ......................... 309
Tire inflation pressure .................. 313
Wheels............................................... 315
Air conditioning filter...................316
Electronic key battery ................. 318
Checking and replacing fuses . 319
Headlight aim................................. 323
Light bulbs ....................................... 324
7-1. Essential information Emergency flashers..................... 326
If your vehicle has to be stopped in an emergency ............................. 326
7-2. Steps to take in an emergency If your vehicle needs to be towed........................................................... 328
If you think something is wrong ........................................................... 332
Fuel pump shut off system (LC500)....................................... 333
If a warning light turns on or a warn- ing buzzer sounds ..................... 334
If a warning message is displayed ........................................................... 344
If you have a flat tire..................... 350
If the engine will not start (LC500) ............................................................ 351
If the hybrid system will not start (LC500h) .................................... 352
If you lose your keys .................... 354If the fuel filler door cannot be
opened .......................................... 354
If the electronic key does not oper- ate properly ................................. 355
If the 12-volt battery is discharged .......................................................... 357
If your vehicle overheats (LC500) .......................................................... 364
If your vehicle overheats (LC500h) .......................................................... 366
If the vehicle becomes stuck ... 370
8-1. Specifications Maintenance data (fuel, oil level, etc.) ................................................. 372
Fuel information............................. 381
Tire information ............................ 383
8-2. Customization Customizable features ............... 391
8-3. Items to initialize Items to initialize ........................... 403
9-1. For owners Reporting safety defects for U.S. owners ........................................... 406
Seat belt instructions for Canadian owners (in French) ................... 406
SRS airbag instructions for Cana- dian owners (in French) ......... 408
Headlight aim instructions for Canadian owners (in French) 414
7When trouble arises
8Vehicle specifications
9For owners

13Pictorial index
LC500_LC500h_OM_OM11405U_(U)
Precautions against winter season ............................................................................ P.234
To prevent freezing (windshield wiper de-icer)
*................................................. P.246
Precautions against car wash ...................................................................................... P.275
Fuel filler door .......................................................................................................... P.176
Refueling method ............................................................................................................... P.176
Fuel type/fuel tank capacity ...... ................................................................................... P.373
Tires.......................................................................................................................... ...P.301
Tire size/inflation pressure ........................................................................................... P.379
Winter tires.......................................................................................................................... P.233
Checking/rotation/tire pressure warning system............................................... P.301
Coping with flat tires........................................................................................................P .350
Hood ......................................................................................................................... P. 289
Opening ........................................................................................................................ .......P.289
Engine oil ..................................................................................................................... ......... P.374
Coping with overheating ....................................................................................P.364, 366
Warning messages .......................................................................................................... P.344
Active rear wing
*...................................................................................................P.224
Headlights/side marker lights/cornering lights............................................ P.167
Parking lights/daytime running lights............................................................... P.167
Turn signal lights ....................................................................................................... P.161
Tail lights .................................................................................................................... P.167
License plate lights ................................................................................................. P.167
Back up lights
Shifting the shift lever to R ...................................................................................... P.151, 157
*:If equipped
Light bulbs of the exterior lights for driving
(Replacing method: P.324, Watts: P.380)
E
F
G
H
I
J
K
L
M
N

421-1. For safe use
LC500_LC500h_OM_OM11405U_(U)
Exhaust gas precautions
Harmful substance to the human
body is included in exhaust gases if
inhaled.
WARNING
Exhaust gases include harmful carbon
monoxide (CO), which is colorless and
odorless. Observe the following precau-
tions.
Failure to do so may cause exhaust gases
enter the vehicle and may lead to an
accident caused by light-headedness, or
may lead to death or a serious health
hazard.
■Important points while driving
●Keep the trunk lid closed.
●If you smell exhaust gases in the vehi-
cle even when the trunk lid is closed,
open the windows and have the vehi-
cle inspected at your Lexus dealer as
soon as possible.
■When parking
●If the vehicle is in a poorly ventilated
area or a closed area, such as a
garage, stop the engine tem>.
●Do not leave the vehicle with the
engine running ing> for a long time.
If such a situation cannot be avoided,
park the vehicle in an open space and
ensure that exhaust fumes do not enter
the vehicle interior.
●Do not leave the engine running
in an area
with snow build-up, or where it is
snowing. If snowbanks build up around
the vehicle while the engine is running
, exhaust
gases may collect and enter the vehi-
cle.
■Exhaust pipe
The exhaust system needs to be checked
periodically. If there is a hole or crack
caused by corrosion, damage to a joint
or abnormal exhaust noise, be sure to
have the vehicle inspected and repaired
by your Lexus dealer.

641-4. Theft deterrent system
LC500_LC500h_OM_OM11405U_(U)
■Items to check before locking the
vehicle
To prevent unexpected triggering of
the alarm and vehicle theft, make sure
of the following:
 Nobody is in the vehicle.
 The windows are closed before the
alarm is set.
 No valuables or other personal
items are left in the vehicle.
■Setting
Close the doors, trunk and hood, and
lock both side doors. The system will
be set automatically after 30 seconds.
The indicator light changes from being on
to flashing when the system is set.
■Canceling or stopping
Do one of the following to deactivate
or stop the alarms:
 Unlock the doors or open the trunk.
 Turn the engine switch switch> to ACCESSORY or IGNI-
TION ON mode , or
start the engine .
(The alarm will be deactivated or
stopped after a few seconds.)
■System maintenance
The vehicle has a maintenance-free type
alarm system.
■Triggering of the alarm
The alarm may be triggered in the following
situations:
(Stopping the alarm deactivates the alarm
system.)
●A person inside the vehicle opens a door,
the trunk or hood, or unlocks the vehicle
using a door lock switch.
●The 12-volt battery is recharged or
replaced when the vehicle is locked.
(  P.361)
Alarm
The alarm uses light and sound to
give an alert when an intrusion is
detected.
The alarm is triggered in the follow-
ing situations when the alarm is set:
 A locked door or trunk is
unlocked or opened in any way
other than using the entry func-
tion, wireless remote control or
mechanical key. (The doors will
lock again automatically.)
 The hood is opened.
Setting/canceling/stopping the
alarm system

692-1. Instrument cluster
LC500_LC500h_OM_OM11405U_(U)
2
Vehicle status information and indicators
Warning lights inform the driver of mal-
functions in the indicated vehicle sys-
tems.
*1: These lights turn on when the engine switch is turned to
IGNITION ON mode to
indicate that a system check is being
Warning lights
(U.S.A.)
Brake system warning light*1
(  P.334)
(red)
(Canada)
Brake system warning light*1
(  P.334)
Charging system warning
light
*2 (  P.334)
Low engine oil pressure
warning light
*2 (  P.334)
(U.S.A.)
Malfunction indicator lamp*1
(  P.335)
(Canada)
Malfunction indicator lamp*1
(  P.335)
SRS warning light
*1
(  P.335)
(U.S.A.)
ABS warning light*1
(  P.335)
(Canada)
ABS warning light*1
(  P.335)
(red)
Electric power steering sys-
tem warning light
*1 ( P.335)
(yellow)
Electric power steering sys-
tem warning light
*1 ( P.335)
PCS warning light
*1, 3
(  P.336)
(orange)
LKA indicator*2 ( P.336)
Slip indicator*1 ( P.337)
Brake Override System
warning light
(  P.337)/Drive-Start Con-
trol warning light
*2 (  P.337)
Brake hold operated indica-
tor
*1, 3 (  P.337)
(U.S.A.)
Parking brake indicator*3
(  P.338)
(Canada)
Parking brake indicator*3
(  P.338)
(U.S.A.)
Brake pad wear warning
light
*2 ( P.338)
(Canada)
Brake pad wear warning
light
*2 ( P.338)
(yellow)
Brake system warning light*1
(  P.338)
Low fuel level warning light
(  P.338)
Driver’s and front passen-
ger’s seat belt reminder light
(  P.339)
Rear passengers’ seat belt
reminder lights
*4 (  P.339)
Master warning light
*1
(  P.339)
Tire pressure warning light
*1, 3
(  P.340)
High coolant temperature
warning light
*2 (  P.340)

712-1. Instrument cluster
LC500_LC500h_OM_OM11405U_(U)
2
Vehicle status information and indicators
*1: These lights turn on when the engine switch is turned to
IGNITION ON mode to
indicate that a system check is being
performed. They will turn off after the
engine is started, or
after a few seconds. There may be a
malfunction in a syst em if a light does
not come on, or turn off. Have the vehi-
cle inspected by your Lexus dealer.
*2: This light illuminates on the multi-infor- mation display.
*3: The light flashes to indicate that the sys-tem is operating.
*4: The light comes on when the system is turned off.
*5: In order to confirm operation, the BSM outside rear view mirror indicators illu-
minate in the following situations:
When the engine switch
is turned to IGNITION ON mode mode> while the BSM main switch is
turned on.
When the BSM main switch is turned
on while the engine switch switch> is in IGNITION ON mode
.
If the system is func tioning correctly, the
BSM outside rear view mirror indica-
tors will turn off after a few seconds.
If the BSM outside rear view mirror indi-
cators do not illuminate or do not turn
off, there may be a malfunction in the
system.
Smart access system with
push-button start indicator
*2
(  P.140, 143)
(if equipped)
“READY” indicator ( P.143)
Low outside temperature
indicator
*2, 8 (  P.74)
(if equipped)
Eco Driving Indicator Light*1
(  P.72)
(if equipped)
EV indicator ( P.55)
(U.S.A.)
Parking brake indicator
( P.162)
(Canada)
Parking brake indicator
( P.162)
Snow mode indicator
(  P.153, 159)
(if equipped)
EV drive mode indicator
( P.147)
“Normal” indicator
*2
(  P.208)
“Eco” indicator
*2 (  P.208)
“Sport S” indicator
*2
(  P.208)
“Sport S+” indicator
*2
(  P.208)
“Comfort” indicator
*2
(  P.208)
“Custom” indicator*2
(  P.208)
(U.S.A.)
“AIR BAG ON/OFF”
indicator
*7 ( P.38)
(Canada)
“AIR BAG ON/OFF”
indicator
*7 ( P.38)

772-1. Instrument cluster
LC500_LC500h_OM_OM11405U_(U)
2
Vehicle status information and indicators
■Liquid crystal display
Small spots or light spots may appear on the
display. This phenomenon is characteristic
of liquid crystal displays, and there is no
problem continuing to use the display.
■Customization
The meter display can be customized on
the multi-information display. ( P.391)
The odometer and trip meter displays
can be switched. When the trip meter
is displayed, pressing and holding the
button will reset the trip meter. The brightness of the instrument panel
lights can be adjusted.
1
Darker
2 Brighter
■Instrument panel brightness adjustment
The instrument panel brightness levels
when the tail lights are on and off can be
adjusted individually. However, when the
surroundings are bright (daytime, etc.),
turning on the tail lights will not change the
instrument pa nel brightness.
The display can be switched between
the center and side positions.
NOTICE
■To prevent damage to the engine and
its components
●Do not let the indicator of the tachom-
eter enter the red zone, as it rep-
resents the engine speed range which
exceeds the maximum safe engine
speed.
●In the following situations, the engine
may be overheating. In this case,
immediately stop the vehicle in a safe
place, and check the engine after it has
cooled completely. ( P.364, 366)
• The engine coolant temperature gauge is in the red zone (H).
• LC500: The engine oil temperature gauge is in the red zone (H).
Changing between the odome-
ter and trip meter
Changing the Instrument panel
light brightness
Changing the display

1053-2. Opening, closing and locking the doors and trunk
LC500_LC500h_OM_OM11405U_(U)
3
Before driving
■Trunk light
●The trunk light turns on when the trunk is
opened.
●If the trunk light is left on when the engine
switch is turned off, the
light will go off automatically after 20
minutes.
■Function to prevent the trunk being
locked with the electronic key inside
●When both side doors are locked, closing
the trunk lid with the electronic key left
inside the trunk will sound an alarm.
In this case, the trunk lid can be opened
by pressing the trunk release button on
the trunk lid.
●If the spare electronic key is put in the
trunk with both side 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
both side 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 trunk to be locked
when the trunk lid is closed. Make sure to
check where the key is before closing the
trunk.
●The key confinement prevention function
cannot be activated if either door is
unlocked. In this case, open the trunk
using the trunk opener switch.
●If the trunk lid is closed by a hand having
the electronic key when the both side
doors are locked, a warning buzzer may sound. In this case, the trunk is not locked.
Do not close the trunk lid by a hand hav-
ing the electronic key.
■Internal trunk release lever
The trunk lid can be opened by pulling the
glow-in-the-dark lever located on the inside
of the trunk to the side.
The lever will continue to glow for some
time after the trunk lid is closed.
■If the smart access system with push-
button start or the wireless remote con-
trol does not operate properly
Use the trunk opener switch to unlock the
trunk. ( P.355)
Replace the key battery with a new one if it
is depleted. ( P.318)
■If a symbol indicating the trunk opens is
shown on the multi-information display
 P.102
■If the 12-volt batte ry is discharged
The trunk cannot be locked and unlocked
using the smart access system with push-
button start or wireless remote control.
Lock or unlock the trunk using the mechan-
ical key. ( P.357)
■Customization
The trunk unlocking operation can be
changed. (Customizable features: P.391)
Using the trunk grip, lower the trunk
without applying force to the side and
push the trunk down from the outside
to close it.
Closing the trunk