engine lexus LC500 2018 Owner's Manual

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7-2. Steps to take in an emergency
When trouble arises
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- pectedly, a message that requires shifting the shift lever may be shown on the multi-informa-
tion display. In that case, follow the instru ction of the message and shift the shift lever.
■If “Front Camera Unavailable” or “Front Camera Vision Blocked Clean and Demist Windshield” is shown
The following systems may be suspended un til the problem shown in the message is resolved.
●PCS
●LKA
●Dynamic radar cruise cont rol with full-speed range
●Automatic High Beam
■If “Engine Stopped Steering Power Low” (LC500) or “Hybrid 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: 110km/h” is shown (LC500h)
The transmission is being warmed up and the ve hicle is unable to be driven over 110 km/h (65 mph). Wait until the transmission warms up.
■If “Stop the vehicle in a safe place Shift to P position” is shown (LC500h)
There may be a malfunction in the hybrid system or the shift position may be shifted to N for a long time. Immediately stop the vehicle and contact any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer.
■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.321)
■If “Engine Oil Level Low Add or Replace” is shown
The engine oil level is low. Check 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.403, 403)
•“Battery low” ( P.392) • “Transmission Fluid Temp High” ( P.174, 180)
●If any of the following messages is shown on the multi-information display, it may indicate a malfunction. Have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer immediately.
• “Entry & Start System Malfunction”

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7-2. Steps to take in an emergency
• “Shift system malfunction” • “P switch malfunction”• “Shift system unavailable”
●If any of the following messages is shown on the multi-information display, it may indicate a malfunction in a system or part. Immediately have the vehicle inspected by any autho-
rized Lexus retailer or Lexus authorized repairer, or any reliable repairer. • “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 display, it may indicate a malfunction. Immediately stop the vehicle and contact any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer.
•“Braking Power Low” • “Charging System Malfunction”• “Oil Pressure Low”
●LC500h: If “Aux Battery Low” is shown, observe the following.
• 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.392) 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.
●LC500h: If “Maintenance Required for Traction battery Cooling Parts” is shown, the fil- ters may be clogged, the air intake vents may be blocked, or there may be a gap in the
duct. Therefore, 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.309 to clean them.
• If the warning message is shown when the air in take vents and filters of the hybrid battery (traction battery) are not dirty, have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer.
■If a message that indicates the need for visi ting your any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer is shown
The system or part shown on th e multi-information display is malfunctioning. Have the vehi-
cle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer immediately.
■Warning buzzer
In some cases, the buzzer may not be heard due 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.

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7-2. Steps to take in an emergency
When trouble arises
One of the following may be the cause
of the problem:
 The electronic key may not be func-
tioning properly. ( P.390)
 There may not be sufficient fuel in
the vehicle’s tank.
Refuel the vehicle. ( P.201)
 The engine may be flooded.
Try to restart the engine again fol-
lowing correct starting procedures.
( P.163)
 There may be a malfunction in the
engine immobilizer system.
( P.70)
 There may be a malfunction in the
shift control system.* ( P.166)
 There may be a malfunction in the
steering lock system.
*: It may not be possible to shift the shift
position from P.
One of the following may be the cause
of the problem:
 The 12-volt battery may be dis-
charged. ( P.392)
 The 12-volt battery terminal con-
nections may be loose or corroded.
( P.326)
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.326)
 The 12-volt battery may be dis-
charged. ( P.392)
 There may be a malfunction in the
If the engine will not start
(LC500)
If the engine will not start even
though correct starting procedures
are being followed ( P.163), 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 di m, 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.

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7-2. Steps to take in an emergency
steering lock system.
Contact any authorized Lexus retailer or
Lexus authorized repairer, or any reliable
repairer 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. Do not use this starting proce-
dure except in cases of emergency.
1 Press the parking brake switch to
check that the parking brake is set.
( P.187)
Parking brake indicator will come on.
2Turn 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 any authorized Lexus
retailer or Lexus authorized repairer,
or any reliable repairer.
One of the following may be the cause
of the problem:
 The electronic key may not be func-
tioning properly. ( P.390)
 There may not be sufficient fuel in
the vehicle’s tank.
Refuel the vehicle. ( P.201)
 There may be a malfunction in the
immobilizer system. ( P.70)
 There may be a malfunction in the
shift control system.* ( P.170)
 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 from 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.167)

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7-2. Steps to take in an emergency
When trouble arises
■When the electronic key does not work properly
●Make sure that the smart entry & start system has not been deactivated using the Remote Touch or at any authorized
Lexus retailer or Lexus authorized repairer, or any reliable repairer. If it is off, turn the function on.
●Check if battery-saving mode is set. If it is set, cancel the function. ( P.124)
Use the mechanical key (P.113) in
NOTICE
●Install the tab so that it does not cover
the clip installation position . Fail-
ure to do so may cause damage to the clip and make it impossible to install
the cover.
A
If the electronic key does not
operate properly
If communication between the
electronic key and vehicle is inter-
rupted ( P.124) or the electronic
key cannot be used because the
battery is depleted, the smart entry
& start system and wireless remote
control cannot be used. In such
cases, the doors and trunk can be
opened and the engine tem> can be started by following
the procedure below.
NOTICE
■In case of a smart entry & start system malfunction or other key-related
problems
Take your vehicle with all the electronic keys provided with your vehicle, to any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer as soon as possible.
Locking and unlocking the
doors, opening the trunk and
using the key li nked functions

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7-2. Steps to take in an emergency
order to perform the following opera-
tions:
■Locking and unlocking the door
1 Push in the depression on the front
edge of the driver’s door handle.
2 Insert the mechanical key while
pulling on the driver’s door handle.
3 Turn the key in order to perform the
following operations.
Locks both side doors
Closes the windows (turn and
hold)*
Unlocks both side doors
Opens the windows (turn and
hold)*
*: These settings must be customized at
any authorized Lexus retailer or Lexus
authorized repairer, or any reliable
repairer.
■Opening the trunk
Unlock the doors, and press the trunk
opener switch.
1 Depress the brake pedal.
2 Touch the Lexus emblem side of the
electronic key to the engine switch
.
When the electronic key is detected, a buzzer sounds and the engine switch
will turn to IGNITION ON mode .
When the smart entry & start system is deactivated in customization setting, the engine switch will turn to
A
B
C
D
WARNING
■When using the mechanical key and operating the power windows
Operate the power window after check- ing to make sure that there is no possibil-
ity of any passenger having any of their body parts caught in the window.Also, do not allow children to operate the
mechanical key. It is possible for children and other passengers to get caught in the power window.
Starting the engine tem>

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7-2. Steps to take in an emergency
When trouble arises
ACCESSORY mode.
3Firmly depress the brake pedal and
check that is shown on the
multi-information display.
4 Press the engine switch switch>.
In the event that the engine tem> still cannot be started, contact
any authorized Lexus retailer or Lexus
authorized repairer, or any reliable
repairer.
■Stopping the engine
Set the parking brake, shift the shift position to P and press the engine switch as you normally do when stopping
the engine .
■Electronic key battery
As the above procedure is a temporary
measure, it is recommended that the elec- tronic key battery be replaced immediately when the battery is depleted. ( P.349)
■Alarm (if equipped)
Using the mechanical key to lock the doors will not set the alarm system.
If a door is unlocked using the mechanical key when the alarm system is set, the alarm may be triggered.
■Changing engine switch
modes
Release the brake pedal and press the
engine switch in step 3
above. The engine does not start and modes will be changed each time the
switch is pressed. ( P.165, 170)

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7-2. Steps to take in an emergency
Use the mechanical key (P.113) in
order to perform the following opera-
tions:
■Locking and unlocking the doors
 P.389
■Opening the trunk
1 Slide the rear passengers’ seat
belts towards the outside.
2 Insert your fingers at the positions
marked and pull towards you to
remove the cover in the center of
the rear seat.
3 Insert the mechanical key into the
cylinder and turn it clockwise to
open.
If the 12-volt battery is dis-
charged
The following procedures may be
used to start the engine tem> or opening the doors, trunk or
glove box if the 12-volt battery is
discharged.
You can also call any authorized
Lexus retailer or Lexus authorized
repairer, or any reliable repairer.
Locking and unlocking the doors
and opening the trunk
AWARNING
■After unlocking the trunk
Make sure to put back the cover to the
center of the rear seat. Failure to do so may cause an accident.

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7-2. Steps to take in an emergency
When trouble arises
The glove box can be opened by per-
forming the following operations after
unlocking the doors.
If the glove box is locked, unlock it with the
mechanical key. ( P.293)
1Remove the cover using a flathead
screwdriver.
To prevent damage to the cover, cover the tip of the screwdriver with a rag.
2 Push the flathead screwdriver into
the part shown in the illustration to
open the glove box.
■After opening the glove box
The glove box can be opened normally by closing the glove box after restarting the
engine .
If you have a set of jumper (or booster)
cables and a second vehicle with a 12-
volt battery, you can jump start your
vehicle using the following procedure.
1 Confirm that the electronic key is
being carried.
When connecting the jumper (or booster) cables, depending on the situation, the
alarm may activate and doors locked. ( P.77)
NOTICE
■When installing the cover in the cen- ter of the rear seat
Make sure that the seat belts are not caught in the cover. Failure to do so may cause damage to the cover installation
clip and make it impossible to install the cover.
Opening the glove box
Restarting the engine system>

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7-2. Steps to take in an emergency
When trouble arises
LC500h (Right-hand drive vehicles)
Exclusive jump starting terminal (your vehicle)
Positive (+) battery terminal (second vehicle)
Negative (-) battery terminal (second vehicle)
Solid, stationary, unpainted metallic point away from the exclusive jump starting
terminal and any moving parts as shown in the illustration
5 Start the engine of the second vehi-
cle. Increase the engine speed
slightly and maintain at that level for
approximately 5 minutes to
recharge the 12-volt battery of your
vehicle.
6 Open and close any of the door of
your vehicle with the engine switch
off.
7 Maintain the engine speed of the
second vehicle and start the engine
of your vehicle by
turning the engine switch switch> to IGNITION ON mode
.
8 Once the vehicle’s engine system> has started, remove the
jumper cables in the exact reverse
order from which they were con-
nected.
9 Close the exclusive jump starting
terminal cover, and reinstall the fuse
box cover to tits original position.
Once the engine starts, have the vehicle inspected at any autho-rized Lexus retailer or Lexus authorized
repairer, or any reliable repairer as soon as possible.
■Starting the engine when the 12-volt battery is discharged
The engine cannot be started by push-starting.
■To prevent 12-volt battery discharge
●Turn off the headlights and the audio sys-tem while the engine is
stopped.
●Turn off any unnecessary electrical com-
A
B
C
D