2021 Lexus LC500C battery

3107-2. Steps to take in an emergency
In the following situations, it is not pos-
sible to be towed by another vehicle
using cables or chains, as the rear
wheels may be locked due to the park-
ing lock. Contact your Lexus dealer or
commercial towing service.
There is a malfunction in the shift
control system. ( P.149, 325)
 There is a malfunction in the engine
immobilizer system. ( P.63)
 There is a malfunction in the smart
access system with push-button
start. ( P.330)
 The battery is discharged.
( P.332)
The following may indicate a problem
with your transmission. Contact your
Lexus dealer or commercial towing
service before towing.
 The engine is running but the vehi-
cle does not move.
 The vehicle makes an abnormal
sound.From the front
Use a towing dolly under the rear
wheels.
From the rear
Use a towing dolly under the front
wheels.
Situations when it is not possible
to be towed by another vehicle
Situations when it is necessary to
contact dealers before towing
Towing with a wheel-lift type
truck
NOTICE
■Towing with a sling-type truck
Do not tow with a sling-type truck to pre-
vent body damage.

3207-2. Steps to take in an emergency
■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.
■Electric power steering system warning light (warning buzzer)
When the battery charge becomes insufficient or the voltage temporarily drops, the electric
power steering system 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 was blinking
initially, turn the engine switch from off to ON 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.283
■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 ON, 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.367)

3257-2. Steps to take in an emergency
7
When trouble arises
●Malfunction in the EPS (Electric Power Steering) system
The electric power steering sy stem warning light comes on. ( P.315)
●Malfunction in the tire pressure warning system
The tire pressure warn ing light comes on. (P.319)
●Remaining fuel level is low
The low fuel level warning light comes on. ( P.318)
■If “Shift to P Before Ex iting Vehicle” is shown
The driver’s door is opened without turning the en gine switch to off with the shift lever in any
position other than P. Shif t the shift position 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 “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
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.
■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 instruction of the me ssage and shift the shift lever.
■If a message that indicates the malfunction of front camera is displayed
The following systems may be suspended un til the problem shown in the message is
resolved. ( P.177, 314)
●PCS (Pre-Collision System)
●LKA (Lane-Keeping Assist)
●Automatic High Beam
●Dynamic radar cruise control with full-speed range
■If “Engine Stopped Steeri ng Power Low” 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 “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 “Scheduled Maintena nce” or “Owner’s Manual Supplement” for
the maintenance interval a pplicable 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

3267-2. Steps to take in an emergency
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.345)
• “Battery low” ( P.332)
• “Transmission Fluid Temp High” ( P.150)
●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”
• “Shift system unavailable”
●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 “Battery low” is shown, the battery charge is insufficient . Recharge or replace the bat-
tery.
■If a message that indicates the need for 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 normal. If this message is frequently displayed,
have the vehicle inspected at your Lexus dealer.

3287-2. Steps to take in an emergency
One of the following may be the cause
of the problem:
The electronic key may not be func-
tioning properly. ( P.331)
 There may not be sufficient fuel in
the vehicle’s tank.
Refuel the vehicle. ( P.171)
 The engine may be flooded.
Try to restart the engine again fol-
lowing correct starting procedures.
( P.146)
 There may be a malfunction in the
engine immobilizer system.
( P.63)
 There may be a malfunction in the
shift control system.
* ( P.149)
 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 battery may be discharged.
( P.332)
 The battery terminal connections
may be loose or corroded.
( P.280)
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 battery terminals
may be disconnected. ( P.280)
 The battery may be discharged.
( P.332)
 There may be a malfunction in the
steering lock system.
Contact your Lexus dealer if the problem
If the engine will not start
If the engine will not start even
though correct starting procedures
are being followed ( P.146), 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
headlights do not turn on, or the
horn does not sound.

3307-2. Steps to take in an emergency
Open the cover inside the trunk, take
out and pull the tab.
■When the electronic key does not work
properly
●Make sure that the smart access system
with push-button start has not been deac-
tivated using the Remote Touch or at
your Lexus dealer. If it is off, turn the func-
tion on.
●Check if battery-saving mode is set. If it is
set, cancel the function. (P.104)
Use the mechanical key ( P.94) in
order to perform th e following opera-
tions:
If the fuel filler door cannot
b
e opened
If the fuel filler door opener switch
cannot be operated, the following
procedure can be used to open the
fuel filler door.
Opening the fuel filler door
NOTICE
■After opening the fuel filler door
Secure the tab in its original position.
If the electronic key does not
o
perate properly
If communication between the
electronic key and vehicle is inter-
rupted ( P.105) or the electronic
key cannot be used because the
battery is depleted, the smart
access system with push-button
start and wireless remote control
cannot be used. In such cases, the
doors and trunk can be opened and
the engine can be started by follow-
ing the procedure below.
NOTICE
■In case of a smart access system with
push-button start malfunction or
other key-related problems
Take your vehicle with all the electronic
keys (including the card key) provided
with your vehicle to your Lexus dealer as
soon as possible.
Locking and unlocking the
doors, opening the trunk and
using the key linked functions

3327-2. Steps to take in an emergency
setting, the engine switch will turn to ACC.
3Firmly depress the brake pedal and
check that is shown on the
multi-information display.
4 Press the engine switch.
In the event that the engine still cannot
be started, contact your Lexus dealer.
■Stopping the engine
Set the parking brake, shift the shift position
to P and press the engine switch as you nor-
mally do when stopping the engine.
■Electronic key battery
As the above procedure is a temporary
measure, it is recomme nded that the elec-
tronic key battery be replaced immediately
when the battery is depleted. ( P.297)
■Alarm (For Canada)
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.149)
Use the mechanical key ( P.94) in
order to perform th e following opera-
tions:
■Locking and unlocking the doors
 P.330
■Opening the trunk
1 Slide the rear passengers’ seat
belts towards the outside.
If the seat belt is secured using the rear
seat belt holder, remove it. ( P.27)
2 Insert your fingers at the positions
marked and pull towards you to
If the battery is discharged
The following procedures may be
used to start the engine or opening
the doors, trunk or glove box if the
battery is discharged.
You can also call your Lexus dealer
or a qualified repair shop.
Locking and unlocking the doors
and opening the trunk
A

3357-2. Steps to take in an emergency
7
When trouble arises
Then, connect a negative cable clamp to on the second vehicle and con-
nect the clamp at the other end of the negative cable to .
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 mo ving parts as shown in the illustration
6 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 battery of your vehi-
cle.
7 Open and close any of the door of
your vehicle with the engine switch
OFF.
8 Maintain the engine speed of the
second vehicle and start the engine
of your vehicle by turning the
engine switch to ON.
9 Once the vehicle’s engine has
started, remove the jumper cables
in the exact reverse order from
which they were connected. 10
Close the exclusive jump starting
terminal cover, and reinstall the
fuse box cover to its original posi-
tion.
Once the engine starts, have the vehicle
inspected at your Lexus dealer as soon as
possible.
■Starting the engine when the battery is
discharged
The engine cannot be started by push-start-
ing.
■To prevent battery discharge
●Turn off the headlights and the audio sys-
tem while the engine is stopped.
●Turn off any unnecessary electrical com-
ponents when the vehicle is running at a
low speed for an extended period, such
as in heavy traffic.
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