2018 Lexus LC500h lexus LC500h 2018 Owner's Manual / LEXUS 2018 LC500,LC500H OWNER'S MANUAL (OM11405U)

3377-2. Steps to take in an emergency
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7
When trouble arises
■Slip indicator
■Brake Override System warning light/Drive-Start Control warning light
(warning buzzer)*
*: This light illuminates on the multi-information display.
■Brake hold operated indicator
Warning lightWarning light/Details/Actions
Indicates a malfunction in:
 The VSC (Vehicle Stability Control) system;
 The TRAC (Traction Control) system; or
 The hill-start assist control system
The light will flash when the VSC, TRAC or ABS system is operating.
 Have the vehicle inspected by your Lexus dealer immediately.
Warning lightWarning light/Details/Actions
When the warning light flashes (and a buzzer sounds):
Indicates a malfunction in the Brake Override System or Drive-Start
Control
Have the vehicle inspected by your Lexus dealer immediately.
Indicates that the shift position wa s changed while depressing the accel-
erator pedal and Drive-Start Control was operated
 Momentarily release th e accelerator pedal.
When the warning light flashes (and a buzzer does not sound):
Indicates that the accelerator and brake pedals are being depressed
simultaneously
 Release the accelerator pedal and depress the brake pedal.
Warning lightWarning light/Details/Actions
(flashes)
Indicates a malfunction in the brake hold system
Have the vehicle inspected by your Lexus dealer.

3387-2. Steps to take in an emergency
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■Parking brake indicator
■Brake pad wear warning light (warning buzzer)*
*: This light illuminates on the multi-information display.
■Brake system warning light
■Low fuel level warning light
Warning lightWarning light/Details/Actions
(flashes)(U.S.A.) or
(flashes)
(Canada)
Indicates a malfunction in the parking brake system
 Have the vehicle inspected by your Lexus dealer immediately.
Warning lightWarning light/Details/Actions
(U.S.A.)
or
(Canada)Indicates that the brake pads are worn out
 Have the vehicle inspected by your Lexus dealer.
Warning lightWarning light/Details/Actions
(yellow)
Indicates a malfunction in:
The electronically controlled brake system
 The regenerated braking system (LC500h)
 The parking brake system
 Have the vehicle inspected by your Lexus dealer immediately.
Warning lightWarning light/Details/Actions
Indicates that remaining fuel is approximately 3.3 gal. [12.6 L, 2.8
Imp.gal.] or less
 Refuel the vehicle.

3397-2. Steps to take in an emergency
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7
When trouble arises
■Driver’s and front passenger’s seat belt reminder light (warning buzzer)*
*: Driver’s seat belt buzzer:
The driver’s seat belt buzzer sounds to alert th e driver that his or her seat belt is not fas-
tened. Once the engine switch is turned to IGNITION ON mode mode>, the buzzer sounds for 6 seconds. If the vehicle reaches a speed of 12 mph (20
km/h), the buzzer sounds once. If the seat belt is still unfastened afte r 24 seconds, the
buzzer will sound interm ittently for 6 seconds. Then, if the seat belt is still unfastened, the
buzzer will sound in a different tone for 90 more seconds.
Front passenger’s seat belt buzzer:
The front passenger’s seat belt buzzer sounds to alert the front passenger that his or her
seat belt is not fasten ed. The buzzer sounds once if the vehicle reaches a speed of 12 mph
(20 km/h). If the seat belt is still unfastened after 24 seconds, the buzzer will sound inter-
mittently for 6 seconds. Then, if the seat belt is still unfastened, the buzzer will sound in a dif-
ferent tone for 90 more seconds.
■Rear passengers’ seat belt r eminder lights (warning buzzer*1)*2
*1: Rear passenger’s seat belt buzzer:
The rear passenger’s seat belt buzzer sounds to alert the rear passenger that his or her seat
belt is not fastened. The buzzer sounds for 6 seconds if the vehicle reaches a speed of 12
mph (20 km/h). Then, if the seat belt is still un fastened, the buzzer will sound in a different
tone for 24 more seconds.
*2: This light illuminates on the center panel.
■Master warning light (warning buzzer)
Warning lightWarning light/Details/Actions
Warns the driver and/or front passe nger to fasten their seat belts
 Fasten the seat belt.
If the front passenger’s seat is occupied, the front passenger’s seat
belt also needs to be fastened to make the warning light (warning
buzzer) turn off.
Warning lightWarning light/Details/Actions
Warns the rear passengers to fasten their seat belts
 Fasten the seat belt.
Warning lightWarning light/Details/Actions
A buzzer sounds and the warning ligh t comes on and flashes to indicate
that the master warning system has detected a malfunction.
 P.344

3407-2. Steps to take in an emergency
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■Tire pressure warning light
■High coolant temperature warning light (warning buzzer)*
*: This light illuminates on the multi-information display.
■SRS warning light
This warning light system monitors the airbag sensor assembly, front impact sensors, side
impact sensors (door), side impa ct sensors (front), side impact sensors (rear), driver’s seat
position sensor, driver’s seat belt buckle switch, front passeng er occupant classification sys-
tem (ECU and sensors), “AIR BAG ON” indicat or light, “AIR BAG OFF” indicator light,
front passenger’s seat be lt buckle switch, seat belt preten sioners, airbags, interconnecting
wiring and power sources. ( P.29)
■Front passenger detection sensor, seat belt reminder and warning buzzer
If luggage is placed on the front passenger seat, the front passenger detection sensor may
cause the warning light to flash and the warning buzzer to sound even if a passenger is not
sitting in the seat.
■If the malfunction indicator lamp comes on while driving
First check the following:
●Is the fuel tank empty?
If it is, fill the fuel tank immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off af ter several driving trips.
If the light does not go off even after several trips, contact your Lexus dealer as soon as pos-
sible.
Warning lightWarning light/Details/Actions
When the light comes on:
Low tire inflation pressure such as
 Natural causes ( P.341)
 Flat tire ( P.350)
 Adjust the tire inflation pressure to the specified level.
The light will turn off after a few mi nutes. In case the light does not
turn off even if the tire inflation pressure is adjusted, have the sys-
tem checked by your Lexus dealer.
When the light comes on after blinking for 1 minute:
Malfunction in the tire pressure warning system
 Have the system checked by your Lexus dealer.
Warning lightWarning light/Details/Actions
Changes from a flashing to a solid light when the engine coolant tem-
perature increases
Stop and check. ( P.364, 366)

3417-2. Steps to take in an emergency
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When trouble arises
■Electric power steering system warning light (warning buzzer)
When the 12-volt battery charge becomes insufficient or the voltage temporarily drops, the
electric power steering syst em warning light may come on and the warning buzzer may
sound.
■Tire pressure warning light
When a malfunction occurs in the tire pressu re warning system, the tire pressure warning
light blinks to warn the driver . However, if the warning light blinks for 1 minute, and then
remains illuminated, making it difficult to determine whether the warning light is blinking,
turn the engine switch from off to IGNITION ON mode and
check if the warning light blinks.
■When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level. Pushing the tire pres-
sure warning reset switch will not turn off the tire pressure warning light.
■The tire pressure warning light may come on due to natural causes
The tire pressure warnin g light may come on due to natural causes such as natural air leaks
and tire inflation pressure chan ges caused by temperature. In this case, adjusting the tire
inflation pressure will turn off the warning light (after a few minutes).
■Conditions that the tire pressure wa rning system may not function properly
 P.303
■If the tire pressure warning light freque ntly comes on after blinking for 1 minute
If the tire pressure warning lig ht frequently comes on after blinking for 1 minute when the
engine switch is turned to IGNITION ON mode , have it
checked by your Lexus dealer.
■Warning buzzer
In some cases, the buzzer may not be heard du e to being in a noisy location or audio sound.
■Customization
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features:  P.391)
WARNING
■If both the ABS and the brake sy stem warning lights remain on
Stop your vehicle in a safe place immediately and contact your Lexus dealer. The vehicle
will become extremely unstable during brakin g, and the ABS system may fail, which could
cause an accident resulting in death or serious injury.
■When the electric power steering system warning light comes on
When the light comes on in yellow, the assist to the power steering is restricted. When the
light comes on red, the assist to the power steering is lost and handling operations of the
steering wheel become extremely heavy. When steering wheel operations are heavier
than usual, grip the steering wheel firmly and operate it using more force than usual.
■If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could cause a loss of vehi-
cle control and result in death or serious injury.

3427-2. Steps to take in an emergency
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WARNING
●Decelerate to the lowest appropriate speed as soon as possible. Do not drive over 50
mph (80 km/h).
●Check and adjust the tire in flation pressure immediately.
●If the tire pressure warning lig ht comes on even after tire inflation pressure adjustment,
it is probable that you have a flat tire. Have the flat tire replaced by the nearest Lexus
dealer.
●Avoid abrupt maneuvering and braking. If th e vehicle tires deteriorate, you could lose
control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.
■Maintenance of the tires
Each tire, including the spare (if provided), should be checked monthly when cold and
inflated to the inflation pressure recommended by the vehicle manufacturer on the vehi-
cle placard or tire inflation pr essure label (tire and load info rmation label). (If your vehicle
has tires of a different size th an the size indicated on the vehicle placard or tire inflation
pressure label [tire and load information label], you should determine the proper tire
inflation pressure for those tires.)
As an added safety feature, your vehicle has been equipped with a tire pressure monitor-
ing system (TPMS-tire pressure warning system) that illuminates a low tire pressure tell-
tale (tire pressure warning light) when one or more of your tires is significantly under-
inflated. Accordingly, when the low tire pressu re telltale (tire pressure warning light) illu-
minates, you should stop and check your tires as soon as possible, and inflate them to the
proper pressure. Driving on a si gnificantly under-inflated tire causes the tire to overheat
and can lead to tire failure. Under-inflation al so reduces fuel efficiency and tire tread life,
and may affect the vehicle’s handling and stopping ability.
Please note that the TPMS (tire pressure warning system) is not a substitute for proper
tire maintenance, and it is the driver’s respon sibility to maintain correct tire pressure, even
if under-inflation has not reac hed the level to trigger illumina tion of the TPMS low tire
pressure telltale (tire pressure warning light).
Your vehicle has also been equipped with a TPMS (tire pressure warning system) mal-
function indicator to indicate when the system is not operating properly. The TPMS (tire
pressure warning system) malfunction indicator is combined with the low tire pressure
telltale (tire pressure warning light). When the system detect s a malfunction, the telltale
will flash for approximately one minute and th en remain continuously illuminated. This
sequence will continue upon subsequent vehi cle start-ups as long as the malfunction
exists. When the malfunction in dicator is illuminated, the system may not be able to
detect or signal low tire pressure as intended.
TPMS (tire pressure warning system) malfunctions may occur for a variety of reasons,
including the installation of re placement or alternate tires or wheels on the vehicle that
prevent the TPMS (tire pressure warning sy stem) from functioning properly. Always
check the TPMS (tire pressure warning system ) malfunction telltale after replacing one or
more tires or wheels on your vehicle to ensu re that the replacement or alternate tires and
wheels allow the TPMS (tire pr essure warning system) to cont inue to function properly.

3437-2. Steps to take in an emergency
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7
When trouble arises
NOTICE
■To ensure the tire pressure warning system operates properly
Do not install tires with differ ent specifications or makers, as the tire pressure warning
system may not operate properly.

3447-2. Steps to take in an emergency
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If a warning message is dis-
played
The multi-information display
shows warnings of system malfunc-
tions, incorrectly performed opera-
tions, and messages that indicate a
need for maintenance. When a
message is shown, perform the cor-
rection procedure appropriate to
the message.
When the main meter is in the center
position:Master warning light
The master warning light also comes on
or flashes in order to indicate that a mes-
sage is currently being displayed on the
multi-information display.
Multi-information display
Follow the instructions of the message
on the multi-information display.
If any of the warnin g message is shown
again after the following actions have
been performed, contact your Lexus
dealer.
A
B
When the main meter is in the side
position:
Master warning light
The master warning light also comes on
or flashes in order to indicate that a mes-
sage is currently be ing displayed on the
multi-information display.
Multi-information display
Follow the instructions of the message
on the multi-information display.
If any of the warning message is shown
again after the following actions have
been performed, contact your Lexus
dealer.
A
B