2021 Lexus LC500C warning

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.

3277-2. Steps to take in an emergency
7
When trouble arises
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.319)
A run-flat tire has a mark on the
sidewall.
■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
transmitter when replacing the tire.
(  P.285)

3317-2. Steps to take in an emergency
7
When trouble arises
■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 the door
Turning the key rearward unlocks the
driver’s door. Turning the key once again
within 5 seconds unlocks the other door.
Opens the windows (turn and
hold)
*
*: These settings must be customized at
your Lexus dealer.
■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 ON.
When the smart access system with push-
button start is deactivated in customization
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

3337-2. Steps to take in an emergency
7
When trouble arises
remove the cover in the center of
the rear seat.
3
Insert the mechanical key into the
cylinder and turn it clockwise to
open. 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.246)
1Remove the cover using a flathead
screwdriver.
To prevent damage to the cover, cover the
tip of the screwdriver with a rag.
2Push 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 bat-
WARNING
■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.
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

3377-2. Steps to take in an emergency
7
When trouble arises
installed on the battery prior to the
exchange. (Depending on the battery to
be exchanged, the exhaust hole may be
plugged.)Exhaust hole plug
Exhaust hole
Exhaust hose
For details, consult your Lexus dealer.
WARNING
■When removing the battery termi-
nals
Always remove the negative (-) terminal
first. If the positive (+) terminal contacts
any metal in the surrounding area when
the positive (+) terminal is removed, a
spark may occur, leadin g to a fire in addi-
tion to electrical shocks and death or
serious injury.
■Avoiding battery fires or explosions
Observe the following precautions to
prevent accidentally igniting the flamma-
ble gas that may be emitted from the bat-
tery:
●Make sure each jumper cable is con-
nected to the correct terminal and that
it is not unintentiona lly in contact with
any other than the intended terminal.
A
B
C
●Do not allow the other end of the
jumper cable connected to the “+” ter-
minal to come into contact with any
other parts or metal surfaces in the
area, such as brackets or unpainted
metal.
●Do not allow the + and - clamps of the
jumper cables to come into contact
with each other.
●Do not smoke, use matches, cigarette
lighters or allow open flame near the
battery.
●If the battery fluid level is excessively
low ( P.280), do not use the battery.
■Battery precautions
The battery contains poisonous and cor-
rosive acidic electrol yte, while related
parts contain lead and lead compounds.
Observe the following precautions when
handling the battery:
●When working with the battery, always
wear safety glasses and take care not
to allow any battery fluids (acid) to
come into contact with skin, clothing
or the vehicle body.
●Do not lean over the battery.
●In the event that battery fluid comes
into contact with the skin or eyes,
immediately wash the affected area
with water and seek medical attention.
Place a wet sponge or cloth over the
affected area until medical attention
can be received.
●Always wash your hands after han-
dling the battery support, terminals,
and other battery-related parts.
●Do not allow children near the battery.
■After recharging the battery
Have the battery inspected at your Lexus
dealer as soon as possible. If the battery
is deteriorating, continued use may
cause the battery to emit a malodorous
gas, which may be detrimental to the
health of passengers.

3387-2. Steps to take in an emergency
Two or more people are needed for
this procedure and some steps
requires a large force.
 There is a possibility to damage the
vehicle when applying a strong
force or removing the parts. Lexus
recommends contact ing your Lexus
dealer.
WARNING
■When exchanging the battery
After exchanging, securely attach the
exhaust hose and exhaust hole plug to
the exhaust hole of the exchanged bat-
tery. If not properly installed, gases
(hydrogen) may leak into the vehicle
interior, and there is the possible danger
of the gas igniting and exploding.
NOTICE
■When handling jumper cables
When connecting the jumper cables,
ensure that they do not become entan-
gled in the cooling fan or engine drive
belt.
■To prevent damaging the vehicle
The exclusive jump starting terminal is to
be used when charging the battery from
another vehicle in an emergency. It can-
not be used to jump start another vehicle.
If the soft top roof cannot be
c
losed
If the soft top roof cannot be closed
even though the roof switch is oper-
ated, check that all the operational
conditions are met. ( P.127)
If all the operational conditions are
met and the soft top roof cannot be
closed, there may be a malfunction.
Immediately have the vehicle
inspected by your Lexus dealer.
When “Opening Function Unavail-
able System Overheated” or
“Function Temporarily Unavailable
System Overheated” is displayed
on the multi-information display, do
not close the soft top roof manually.
If the soft top roof is closed manu-
ally, the roof switch may not prop-
erly operates next time.
In this case, the soft top roof can be
closed by the following procedure
as an emergency measure, how-
ever, Lexus does not recommend it
as this procedure requires special-
ized knowledge.
Before closing the soft top roof

3447-2. Steps to take in an emergency
17Push the tool backward to a slant-
ing side at the rear of the vehicle
until it no longer moves.
A large force is required to move the tool.
The tool will move from the position to
the position in the illustration.
18Turn the engine switch to ON and
check that “Soft Top Operation
Not Completed” is not displayed
on the multi-information display.
If the message is displayed, check the steps
6
, 11 and 17 have been completed.
19Reinsert the parts that were
removed in the steps 2
, 9 and 15.
The parts removed in the step 2 cannot be
used again and must be replaced at your
Lexus dealer.
■Parts removed during the manual clos-
ing procedure
Keep any parts removed during the proce-
dure inside the vehicle and take all removed
parts and the vehicle to your Lexus dealer.
A
B
WARNING
■When manually closing the soft top
roof
Observe the following precautions:
●Stop the vehicle on a flat surface in a
safe place.
●Set the parking brake and shift the shift
position to P.
●Ensure that there are no occupants
inside the vehicle.
●Do not perform this procedure while
there are strong winds blowing.
●Turn the engine switch off.
●Be careful not to catch any part of your
body or clothing in the moving parts.
●Some parts of this procedure may
result in an injury if performed with
bare hands. Protect your hands with
gloves or a piece of cloth when per-
forming the procedure.

3467-2. Steps to take in an emergency
system is turned on immediately after a
cold start. Confirm that the fan is operating
by checking the fan sound and air flow. If it
is difficult to check these, turn the air con-
ditioning system on and off repeatedly.
(The fan may not operate in freezing tem-
peratures.)
7If the fan is not operating:
Stop the engine immediately and
contact your Lexus dealer.
If the fan is operating:
Have the vehicle inspected at the
nearest Lexus dealer.
■When adding coolant
Add coolant in accordance with the follow-
ing procedure.
1
Remove the service cover.
2
Remove the engine cover.
3
Remove the caps and .
4
Add coolant through the inlet of the cap
up to the “F” line , and then
replace the cap .
5
Add coolant through the inlet of the cap
until it is full, and then replace the
cap .
AB
AC
A
B
B
WARNING
■When inspecting under the hood of
your vehicle
Observe the following precautions.
Failure to do so may result in serious
injury such as burns.
●If steam is seen coming from under the
hood, do not open the hood until the
steam has subsided. The engine com-
partment may be very hot.
●Keep hands and clothing (especially a
tie, a scarf or a muffler) away from the
fan and belts. Failure to do so may
cause the hands or clothing to be
caught, resulting in serious injury.
●While the engine and radiator are hot,
do not loosen or remove the coolant
inlet cap or coolant reservoir cap.
High temperature steam or coolant
could spray out.
NOTICE
■When adding engine coolant
Add coolant slowly after the engine has
cooled down sufficiently. Adding cool
coolant to a hot engine too quickly can
cause damage to the engine.