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

3457-2. Steps to take in an emergency
LC500_LC500h_OM_OM11405U_(U)
7
When trouble arises
The warning lights and warning buzzers op erate as follows depending on the con-
tent of the message. If a message indicates the need for inspection by a dealer, have
the vehicle inspected by your Lexus dealer immediately.
*: A buzzer sounds the first time a message is shown on the multi-information display.
■Warning messages
The warning messages explained below may differ from the actual messages according to
operation conditions and vehicle specifications.
■System warning lights
The master warning light does not come on or flash in the following cases. Instead, a sepa-
rate system warning light will come on along with a message or image shown on the multi-
information display.
●Malfunction in the ABS
The ABS warning light comes on. ( P.335)
●Malfunction in the charging system
The charging system warning light comes on. ( P.334)
●Malfunction in the brake system
The brake system warning light comes on. ( P.334)
Messages and warnings
System warn-
ing lightWarning
buzzer
*Warning
Comes onComes onSoundsIndicates an important situation, such as
when a system related to driving is malfunc-
tioning or that danger may result if the cor-
rection procedure is not performed
Comes onSounds
Comes on or flashesSounds
Indicates an important situation, such as
when the systems shown on the multi-infor-
mation display may be malfunctioning
FlashesSoundsIndicates a situation, such as when damage
to the vehicle or danger may result
Comes onDoes not soundIndicates a condition, such as malfunction of
electrical components, their condition, or
indicates the need for maintenance
FlashesDoes not sound
Indicates a situation, such as when an oper-
ation has been performed incorrectly, or
indicates how to perform an operation cor-
rectly

3467-2. Steps to take in an emergency
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●Malfunction in the EPS (Electric Power Steering) system
The electric power steering sy stem warning light comes on. ( P.335)
●Malfunction in the tire pressure warning system
The tire pressure warn ing light comes on. (P.340)
●Remaining fuel level is low
The low fuel level warning light comes on. ( P.338)
■If “Hybrid System Overheated Reduce d Output Power” is shown (LC500h)
This message may be displayed when driving under severe operating conditions. (For exam-
ple, when driving up a long steep hill.) Stop and check. ( P.366)
■If “Traction Battery Needs to be Protected Refrain from the Use of [N] Position” is
shown (LC500h)
The remaining charge for the hybrid battery (tra ction battery) is low. As the hybrid battery
(traction battery) cannot be charged when the shift position is in N, when stopping the vehi-
cle for a long period of time, shift the shift position to P.
■If “Traction Battery needs to be Protected Sh ift into [P] to Restart” is shown (LC500h)
The remaining charge for the hybrid battery (traction battery) is low, because the shift posi-
tion has been shifted to N for a long period of time. When moving the vehicle, shift the shift
position to P and restart the hybrid system.
■If “Shift to P Before Ex iting Vehicle” is shown
The driver’s door is opened without turning the engine switch to off with the
shift lever in any position other th an P. Shift the shift lever to P.
■If “Shift Is in N Release Accelerator Before Shifting” is shown
The accelerator pedal has been depressed when th e shift position is in N. Release the accel-
erator pedal and shift the shift position to D or R.
■If “Depress Brake when Vehicle Is Stoppe d Hybrid System May Overheat” is shown
(LC500h)
The message may be displayed when the accelerator pedal is depressed to hold the vehicle
while the vehicle is stopped on an uphill etc. The hybrid system may overheat. Release the
accelerator pedal and de press the brake pedal.
■If “Shift system malfunction Driving unavailable” is shown
There is a malfunction in the shift control system. Have the vehicle inspected by your Lexus
dealer immediately.
■If “Auto Power Off to Conserve Battery” is shown
LC500:
Power was turned off due to the automatic power off function. Next time when starting the
engine, increase the engine speed slightly an d maintain that level for approximately 5 min-
utes to recharge the battery.
LC500h:
Power was turned off due to the automatic power off function. Next time when starting the
hybrid system, operate the hybrid system for approximately 5 minutes to recharge the 12-
volt battery.
■If a message that indicates the need for the shift lever operation is shown
To prevent the shift lever from being operated incorrectly or the vehicle from moving unex-

3477-2. Steps to take in an emergency
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When trouble arises
pectedly, a message that requires shifting the shift lever may be shown on the multi-informa-
tion display. In that case, follow the instruction of the me ssage and shift the shift lever.
■If “Front Camera Unavailable” or “Front Camera Unavailable Remove Debris On
Windshield” is shown
The following systems may be suspended un til the problem shown in the message is
resolved.
●PCS (Pre-Collision system)
●LKA (Lane-Keeping Assist)
●Dynamic radar cruise control with full-speed range
●Automatic High Beam
■If “Engine Stopped Steering Power Low” (LC500) or “H ybrid System Stopped Steer-
ing Power Low” (LC500h) is shown
The steering wheel may become extremely heavy. If the steering wheel becomes heavier
than usual when operating, hold firmly and operate using more force than usual.
■If “Warming Up Maximum Vehicle Speed: 65MPH” is shown (LC500h)
The transmission is being warmed up and the ve hicle is unable to be driven over 65 mph
(110 km/h). Wait until th e transmission warms up.
■If “Stop the vehicle in a safe place Shift to P position” is shown (LC500h)
There may be a malfunction in th e hybrid system or the shift position may be shifted to N for
a long time. Immediately stop the vehicle and contact your Lexus dealer.
■If “Oil Maintenance Required Soon” is shown (LC500h)
The engine oil is scheduled to be changed. Check the engine oil, and change if necessary.
After changing the engine oil, the message should be reset. (P.282)
■If “Maintenance Required Soon” is shown
Indicates that all maintenance according to th e driven distance on the maintenance sched-
ule
* should be performed soon. The message is shown approximately 4500 miles (7200
km) after the message has been reset. If necessary, perform maintenance.
*: Refer to the separate “Sched uled Maintenance” or “Owner’s Manual Supplement” for the
maintenance interval app licable to your vehicle.
■If “Engine Oil Level Low Add or Replace” is shown
The engine oil level is low. Chec k the level of engine oil, and add if necessary. This message
may appear if the vehicle is stopped on a slope. Move the vehicle to a level surface and
check to see if the message disappears.
■If a message that indicates the need for referring to Owner’s Manual is shown
●If any of the following messages is shown on the multi-information display, follow the
instructions.
• “Engine Coolant Temp High” ( P.364, 366)
•“Battery low” ( P.357)
• “Transmission Fluid Temp High” ( P.150, 156)
●If any of the following messages is shown on the multi-information di splay, it may indicate
a malfunction. Have the vehicle inspected by your Lexus dealer immediately.
• “Access System with Elec. Key Malfunction”
• “Shift system malfunction”
• “[P] switch malfunction”

3487-2. Steps to take in an emergency
LC500_LC500h_OM_OM11405U_(U)• “Shift system unavailable”
●If any of the following messages is shown on the multi-information di
splay, it may indicate
a malfunction in a system or part. Immediatel y have the vehicle inspected by your Lexus
dealer.
• “Hybrid System Malfunction” (LC500h)
•“Check Engine”
•“Hybrid Battery System Malfunction” (LC500h)
• “Accelerator System Malfunction”
●If any of the following messages is shown on the multi-information di splay, it may indicate
a malfunction. Immediately stop the vehicle and contact your Lexus dealer.
• “Braking Power Low”
• “Charging System Malfunction”
• “Oil Pressure Low”
●If “Aux Battery Low” is shown, observe the following. (LC500h)
• If the message disappears in a few minutes*
Keep the hybrid system operating for more than approximately 15 minutes to charge the
12-volt battery.
• If the message does not disappear Refer to “If the 12-volt battery is discharged” ( P.357) to start the hybrid system
*: It is displayed for approximately 6 seconds.
●If “Battery low” is shown, the 12-volt battery charge is insufficient. Recharge or replace the
12-volt battery.
●If “Maintenance Required for Traction battery Cooling Parts” is shown, the filters may be
clogged, the air intake vents may be blocked, or there may be a gap in the duct. There-
fore, perform the following correction procedure.
• If the air intake vents and filters of the hybrid battery (traction battery) are dirty, perform
the procedure on P.279 to clean them.
• If the warning message is shown when the air intake vents and filters of the hybrid battery
(traction battery) are not dirty, have th e vehicle inspected by your Lexus dealer.
■If a message that indicates the need fo r visiting your Lexus dealer is shown
The system or part shown on the multi-information display is malfunctioning. Have the vehi-
cle inspected by your Lexus dealer immediately.
■Warning buzzer
In some cases, the buzzer may not be heard du e to being in a noisy location or audio sound.
NOTICE
■While the engine oil level warning message is displayed
Continued engine operation with low engine oil will damage the engine.
■If “High Power Consumption Partial Limit On AC/Heater Operation” is shown fre-
quently
Air conditioning, heater and other operations are temporarily limited due to high power
consumption. Turn off unnecessary electronic equipment to reduce power consumption,
and wait until the power supply returns to norm al. If this message is frequently displayed,
have the vehicle inspected at your Lexus dealer.

3497-2. Steps to take in an emergency
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When trouble arises
NOTICE
■If “Aux Battery Low See Owner’s Manual” is shown frequently (LC500h)
The 12-volt battery may deteriorate. As it may cause the 12-volt battery discharge, have
the 12-volt battery inspected by your Lexus dealer.

3507-2. Steps to take in an emergency
LC500_LC500h_OM_OM11405U_(U)
Take your vehicle to the nearest Lexus
dealer or authorized tire dealer as
soon as possible if any tire goes flat.
The vehicle can be driven for a maximum
of 100 miles (160 km) at a speed below 50
mph (80 km/h) after the tire pressure
warning light comes on. ( P.340)
A run-flat tire has a mark on the
side wall.
■In some condition (such as at high tem-
peratures)
You cannot continue driving for up to 100
miles (160 km).
■For the detailed information on run-flat
tires
See the tire warranty booklet.
If you have a flat tire
Your vehicle is not equipped with a
spare tire, but instead you can con-
tinue driving the vehicle with run-
flat tires even if any tire goes flat.
In this case, slow down and drive
with extra caution.
Run-flat tires
NOTICE
■When replacing the tires
When removing or fitting the wheels,
tires or the tire pr essure warning valve
and transmitter, contact your Lexus
dealer as the tire pressure warning valve
and transmitter may be damaged if not
handled correctly.
■When driving over bumps
If a vehicle has a flat tire, the vehicle
height will be lower than usual. Ensure
that nothing strikes the bottom of the
vehicle.
■To avoid damaging the tire pressure
warning valves and transmitters
When a tire is repaired with liquid seal-
ants, the tire pressure warning valve and
transmitter may not operate properly. If a
liquid sealant is used , contact your Lexus
dealer or other qualified service shop as
soon as possible. Make sure to replace
the tire pressure warning valve and trans-
mitter when replacing the tire. ( P.305)

3517-2. Steps to take in an emergency
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7
When trouble arises
One of the following may be the cause
of the problem:
 The electronic key may not be func-
tioning properly. ( P.356)
 There may not be sufficient fuel in
the vehicle’s tank.
Refuel the vehicle. ( P.176)
 The engine may be flooded.
Try to restart the engine again fol-
lowing correct starting procedures.
( P.140)
 There may be a malfunction in the
engine immobilizer system.
( P.62)
 There may be a malfunction in the
shift control system.
* ( P.143)
 There may be a malfunction in the
steering lock system.
*: It may not be possible to shift the shift
position other than P.
One of the following may be the cause
of the problem:
 The 12-volt battery may be dis-
charged. ( P.357)
 The 12-volt battery terminal con-
nections may be lo ose or corroded.
( P.300)
The engine starting system may be
malfunctioning due to an electrical
problem such as electronic key battery
depletion or a blown fuse. However, an
interim measure is available to start the
engine.
One of the following may be the cause
of the problem:
 One or both of the 12-volt battery
terminals may be disconnected.
( P.300)
 The 12-volt battery may be dis-
charged. ( P.357)
 There may be a malfunction in the
steering lock system.
If the engine will not start
(LC500)
If the engine will not start even
though correct starting procedures
are being followed ( P.140), con-
sider each of the following points:
The engine will not start even
though the starter motor oper-
ates normally.
The starter motor turns over
slowly, the interior lights and
headlights are dim, or the horn
does not sound or sounds at a low
volume.
The starter motor does not turn
over
The starter motor does not turn
over, the interior lights and head-
lights do not turn on, or the horn
does not sound.

3527-2. Steps to take in an emergency
LC500_LC500h_OM_OM11405U_(U)Contact your Lexus dealer if the problem
cannot be repaired, or if repair procedures
are unknown.
When the engine does not start, the
following steps can be used as an
interim measure to start the engine if
the engine switch is functioning nor-
mally:
1
Press the parking brake switch to
check that the parking brake is set.
(P.162)
Parking brake indicator will come on.
2 Turn the engine switch to ACCES-
SORY mode.
3 Press and hold the engine switch
for about 15 seconds while
depressing the brake pedal firmly.
Even if the engine can be started using
the above steps, the system may be
malfunctioning. Have the vehicle
inspected by your Lexus dealer. One of the following may be the cause
of the problem:

The electronic key may not be func-
tioning properly. ( P.356)
 There may not be sufficient fuel in
the vehicle’s tank.
Refuel the vehicle. ( P.176)
 There may be a malfunction in the
immobilizer system. ( P.62)
 There may be a malfunction in the
shift control system.
* ( P.147)
 There may be a malfunction in the
steering lock system.
 The hybrid system may be malfunc-
tioning due to an electrical problem
such as electronic key battery
depletion or a blown fuse. However,
depending on the type of malfunc-
tion, an interim measure is available
to start the hybrid system.
*: It may not be possible to shift the shift
position other than P.
Starting the engine in an emer-
gency
If the hybrid system will not
start (LC500h)
Reasons for the hybrid system not
starting vary depending on the situ-
ation. Check the following and per-
form the appropriate procedure:
The hybrid system will not start
even though the correct starting
procedure is being followed.
( P.143)