engine lexus LC500 2018 Owner's Manual

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6-3. Do-it-yourself maintenance
■Checking the engine oil
1 Park the vehicle on level ground.
LC500
After warming up the engine and turning it
off, wait more than 5 minutes for the oil to
drain back into the bottom of the engine.
LC500h
After warming up the engine and turning
off the hybrid system, wait more than 5
minutes for the oil to drain back into the
bottom of the engine.
2 Holding a rag under the end, pull
the dipstick out.
LC500
LC500h
3 Wipe the dipstick clean.
4 Reinsert the dipstick fully.
5 Holding a rag under the end, pull
the dipstick out and check the oil
level.
Low
Normal
Excessive
The shape of the dipstick may differ
depending on the type of vehicle or engine.
6 Wipe the dipstick and reinsert it
fully.
■Checking the oil type and prepar-
ing the items
Make sure to check the oil type and
prepare the items needed before add-
ing oil.
 Engine oil selection
P.413, 414
Oil quantity (Low  Full)
1.5 L (1.6 qt., 1.3 Imp. qt.)
Item
Clean funnel
■Adding engine oil
If the oil level is below or near the low
level mark, add engine oil of the same
type as that already in the engine.
A
B
C

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6-3. Do-it-yourself maintenance
Maintenance and care
LC500
LC500h
1 Remove the oil filler cap by turning
it counterclockwise.
2 Add engine oil slowly, checking the
dipstick.
3 Install the oil filler cap by turning it
clockwise.
■Engine oil consumption
A certain amount of engine oil will be con-
sumed while driving. In the following situa- tions, oil consumption may increase, and engine oil may need to be refilled in
between oil maintenance intervals.
●When the engine is new, for example
directly after purchasing the vehicle or after replacing the engine
●If low quality oil or oil of an inappropriate viscosity is used
●When driving at high engine speeds or with a heavy load, or when driving while accelerating or decelerating frequently
●When leaving the engine idling for a long time, or when driving frequently through heavy traffic
■After changing the engine oil (LC500h)
The engine oil maintenance data should be reset. Perform the following procedures:
1 While the vehicle is stopped, press
of the meter control switches.
2 Press or of the meter control
switches, and select .
3 Press or of the meter control
switches, select “Vehicle Settings”, and
then press “OK”.
4 Press or of the meter control
switches, select “Oil Maintenance”, and
then press “OK”.
5 Select “Yes” and then press “OK”.
A message will be displayed on the multi- information display.
WARNING
■Used engine oil
●Used engine oil contains potentially harmful contaminants which may cause skin disorders such as inflamma-
tion and skin cancer, so care should be taken to avoid prolonged and repeated contact. To remove used
engine oil from your skin, wash thor- oughly with soap and water.

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6-3. Do-it-yourself maintenance
The coolant level is satisfactory if it is
between the “F” and “L” lines on the
reservoir when the engine <hybrid sys-
tem> is cold.
■Engine coolant reservoir
LC500
Reservoir cap
“F” line
“L” line
If the level is on or below the “L” line, add
coolant up to the “F” line. ( P.400)
LC500h
Reservoir cap
“F” line
“L” line
If the level is on or below the “L” line, add
coolant up to the “F” line. ( P.403)
WARNING
●Dispose of used oil and filters only in a safe and acceptable manner. Do not dispose of used oil and filters in house-
hold trash, in sewers or onto the ground. Call any authorized Lexus retailer or
Lexus authorized repairer, or any reli- able repairer, service station or auto parts store for information concerning
recycling or disposal.
●Do not leave used engine oil within the reach of children.
NOTICE
■To prevent serious engine damage
Check the oil level on a regular basis.
■When replacing the engine oil
●Be careful not to spill engine oil on the vehicle components.
●Avoid overfilling, or the engine could
be damaged.
●Check the oil level on the dipstick every time you refill the vehicle.
●Be sure the engine oil filler cap is prop-erly tightened.
Checking the coolant
A
B
C
A
B
C

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6-3. Do-it-yourself maintenance
Maintenance and care
■Power control unit coolant reser-
voir (LC500h)
Reservoir cap
“F”/“FULL” line
“L”/“LOW” line
If the level is on or below the “L”/“LOW”
line, add coolant up to the “F”/“FULL” line.
( P.403)
■Coolant selection
Only use “Toyota Super Long Life Coolant”
or a similar high quality ethylene glycol based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life
hybrid organic acid technology.
“Toyota Super Long Life Coolant” is a mix-
ture of 50% coolant and 50% deionized water. (Minimum temperature: -35°C [-31°F])
For more details about coolant, contact any authorized Lexus retailer or Lexus autho-
rized repairer, or any reliable repairer.
■If the coolant level drops within a short time of replenishing
Visually check the radiator, hoses, engine/power control unit coolant reservoir caps, drain cock and water pump.
If you cannot find a leak, have any autho- rized Lexus retailer or Lexus authorized repairer, or any reliable repairer, test the
cap and check for leaks in the cooling sys- tem.
Check the radiator and condenser and
clear away any foreign objects.
If either of the above parts is extremely
dirty or you are not sure of their condi-
tion, have your vehicle inspected by
any authorized Lexus retailer or Lexus
authorized repairer, or any reliable
repairer.
A
B
C
WARNING
■When the engine <hybrid system> is hot
LC500: Do not remove the engine cool- ant reservoir cap or the coolant inlet cap. ( P.402)
The cooling system may be under pres- sure and may spray hot coolant if the cap is removed, causing serious injuries, such
as burns.
LC500h: Do not remove the
engine/power control unit coolant reser- voir caps or the coolant inlet cap. ( P.406)
The cooling system may be under pres- sure and may spray hot coolant if the cap
is removed, causing serious injuries, such as burns.
NOTICE
■When adding coolant
Coolant is neither plain water nor straight antifreeze. The correct mixture of water and antifreeze must be used to
provide proper lubrication, corrosion protection and cooling. Be sure to read the antifreeze or coolant label.
■If you spill coolant
Be sure to wash it off with water to pre- vent it from damaging parts or paint.
Checking the radiator and con-
denser

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6-3. Do-it-yourself maintenance
If any washer does not work or “Wind-
shield Washer Fluid Low” is shown on
the multi-information display, the
washer tank may be empty. Add
washer fluid.
LC500
LC500h
WARNING
■When the engine <hybrid system> is hot
Do not touch the radiator and condenser as they may be hot and cause serious injuries, such as burns.
Checking and adding the washer
fluid
WARNING
■When adding washer fluid
Do not add washer fluid when the engine
<hybrid system> is hot or running as washer fluid contains alcohol and may catch fire if spilled on the engine etc.
NOTICE
■Do not use any fluid other than
washer fluid
Do not use soapy water or engine anti-
freeze instead of washer fluid. Doing so may cause streaking on the vehicle’s painted surfaces, as well as
damaging the pump leading to problems of the washer fluid not spraying.
■Diluting washer fluid
Dilute washer fluid with water as neces- sary. Refer to the freezing temperatures listed
on the label of the washer fluid bottle.

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6-3. Do-it-yourself maintenance
Maintenance and care
The 12-volt battery is located in the
trunk.
■Before recharging
When recharging, the 12-volt battery pro- duces hydrogen gas which is flammable and explosive. Therefore, observe the fol-
lowing precautions before recharging:
●If recharging with the 12-volt battery
installed on the vehicle, be sure to discon- nect the ground cable.
●Make sure the power switch on the char-ger is off when connecting and discon-necting the charger cables to the 12-volt
battery.
■After recharging/reconnecting the 12- volt battery
●Unlocking the doors using the smart entry & start system may not be possible immediately after reconnecting the 12-
volt battery. If this happens, use the wire- less remote control or the mechanical key to lock/unlock the doors.
●Start the engine <hybrid system> with the engine switch <power switch> in ACCES-
SORY mode. The engine <hybrid sys- tem> may not start with the engine switch <power switch> turned off. However, the
engine <hybrid system> will operate nor- mally from the second attempt.
●The engine switch <power switch> mode
is recorded by the vehicle. If the 12-volt battery is reconnected, the vehicle will return the engine switch <power switch>
mode to the status it was in before the 12- volt battery was disc onnected. Make sure to turn off the engine switch <power
switch> before disconnect the 12-volt bat- tery. Take extra care when connecting the 12-volt battery if the engine switch
<power switch> mode prior to discharge is unknown.
If the engine <hybrid system> will not start even after multiple attempts at all methods above, contact any authorized Lexus
retailer or Lexus authorized repairer, or any reliable repairer.
12-volt battery
Location
WARNING
■Chemicals in the 12-volt battery
The 12-volt battery contains poisonous
and corrosive sulfuric acid and may pro- duce hydrogen gas which is flammable and explosive. To reduce the risk of death
or serious injury, take the following pre- cautions while working on or near the 12-volt battery:
●Do not cause sparks by touching the
12-volt battery terminals with tools.
●Do not smoke or light a match near the 12-volt battery.
●Avoid contact with eyes, skin and clothes.
●Never inhale or swallow electrolyte.
●Wear protective safety glasses when
working near the 12-volt battery.
●Keep children away from the 12-volt battery.
■Where to safely charge the 12-volt battery
Always charge the 12-volt battery in an open area. Do not charge the 12-volt bat-
tery in a garage or closed room where there is insufficient ventilation.

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6-3. Do-it-yourself maintenance
Pull the strap upwards to lift up the lug-
gage mat.
Make sure that the 12-volt battery ter-
minals are not corroded and that there
are no loose connections, cracks, or
loose clamps.
Terminals
Hold-down clamp
The meanings of each caution symbol
on the top of the 12-volt battery are as
follows:
WARNING
■How to recharge the 12-volt battery
Recharge at a current of 5 A or less and
make sure that the recharging period does not exceed a total of 12 hours.
■Emergency measures regarding electrolyte
●If electrolyte gets in your eyesFlush your eyes with clean water for at
least 15 minutes and get immediate medical attention. If possible, continue to apply water with a sponge or cloth
while traveling to the nearest medical facility.
●If electrolyte gets on your skinWash the affected area thoroughly. If
you feel pain or burning, get medical attention immediately.
●If electrolyte gets on your clothesIt can soak through clothing on to your
skin. Immediately take off the clothing and follow the procedure above if nec-essary.
●If you accidentally swallow electrolyte
Drink a large quantity of water or milk. Get emergency medical attention immediately.
NOTICE
■When recharging the 12-volt battery
Never recharge the 12-volt battery while the engine is running <hybrid system is operating>. Also, be sure all accessories
are turned off.
Removing the 12-volt battery
cover
Exterior
Caution symbols
No smoking, no naked
flames, no sparks
Shield eyes
A
B

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6-3. Do-it-yourself maintenance
Maintenance and care
Vehicles with front and rear tires of
the same size
Vehicles with front and rear tires of
differing sizes
To equalize tire wear and help extend tire
life, Lexus recommends that tire rotation is
carried out approximately every 10000
km (6000 miles).
Do not fail to initialize the tire pressure
warning system after tire rotation.
■When rotating the tires
Make sure that the engine switch <power switch> is off. If the tires are rotated while
the engine switch <power switch> is in IGNITION ON mode <ON mode>, the tire position information will not be updated.
If this accidentally occurs, either turn the engine switch <power switch> to off and then to IGNITION ON mode <ON mode>,
or initialize the tire pr essure warning system after checking that the tire pressure is prop-erly adjusted.
When run-flat tires are installed, the
vehicle can be driven for a maximum of
160 km (100 miles) at a speed below
80 km/h (50 mph) after any tire goes
flat. (However, the vehicle speed may
not increase to near 80 km/h [50
mph] depending on weather or driving
conditions.)
A run-flat tire has a mark on
the side wall.
Make sure to replace the flat tire before the
vehicle has been driven for near 160 km
(100 miles). Also, do not use a repaired
tire.
■Run-flat tires
●The run-flat tires are for only this vehicle. Do not use the tires on other vehicles.
●Do not mix run-flat tires and normal tires.
●If non-genuine Lexus wheels are used, it
may be impossible to sufficiently demon- strate the performanc e of run-flat tires.
Your vehicle is equipped with a tire
pressure warning system that uses tire
pressure warning valves and transmit-
ters to detect low tire inflation pressure
before serious problems arise.
 If the tire pressure drops below a
predetermined level, the driver is
warned by a screen display and a
warning light. ( P.374)
 The tire pressure detected by the
tire pressure warning system can be
displayed on the multi-information
Run-flat tires
Tire pressure warning system

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6-3. Do-it-yourself maintenance
Maintenance and care
When replacing tires or wheels, tire
pressure warning valves and transmit-
ters must also be installed.
When new tire pressure warning
valves and transmitters are installed,
new ID codes must be registered in the
tire pressure warning computer and
the tire pressure warning system must
be initialized. ( P.337)
■When replacing the tires and wheels
If the ID code of the tire pressure warning valve and transmitter is not registered, the tire pressure warning system will not work
properly. After driving for about 10 minutes, the tire pressure warning light blinks for 1 minute and stays on to indicate a system
malfunction.
■The tire pressure warning system
must be initialized in the following
circumstances:
 When rotating the tires.
 When the tire inflation pressure is
changed when changing traveling
speed.
 When the tire inflation pressure is
changed such as when changing tire
size. (When there are multiple spec-
ified pressures)
 After registering the ID codes.
( P.337)
When the tire pressure warning system
is initialized, the current tire inflation
pressure is set as the benchmark pres-
sure.
■How to initialize the tire pressure
warning system
1 Park the vehicle in a safe place and
turn the engine switch <power
switch> off.
Initialization cannot be performed while the vehicle is moving.
2 Adjust the tire inflation pressure to
the specified cold tire inflation pres-
sure level.
Make sure to adjust the tire pressure to the specified cold tire infl ation pressure level. The tire pressure warning system will oper-
ate based on this pressure level.
3 Turn the engine switch <power
switch> to IGNITION ON mode
<ON mode>.
Installing tire pressure warning
valves and tr ansmitters
NOTICE
■Repairing or replacing tires, wheels, tire pressure warning valves, trans-
mitters and tire valve caps
●When removing or fitting the wheels,
tires or the tire pressure warning valves and transmitters, contact any
authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer as the tire pressure warning
valves and transmitters may be dam- aged if not handled correctly.
●Make sure to install the tire valve caps. If the tire valve caps are not installed,
water could enter the tire pressure warning valves and the tire pressure warning valves could be bound.
●When replacing tire valve caps, do not
use tire valve caps other than those specified. The cap may become stuck.
Initializing the tire pressure
warning system

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6-3. Do-it-yourself maintenance
4Press or of the meter con-
trol switches and select .
5 Press or of the meter con-
trol switches and select “Vehicle
Settings”, and then press “OK”.
6 Press or of the meter con-
trol switches and select “TPWS
SET”, and then press “OK”.
7 Press or of the meter con-
trol switches and select “Set tire
pressure”, and then press and hold
“OK” until the tire pressure warning
light starts blinking.
A message is displayed on the multi-infor- mation display. Also, “--” is displayed for inflation pressure of each tire on the multi-
information display while the tire pressure warning system determines the position.
8 Drive the vehicle at approximately
40 km/h (25mph) or more for
approximately 10 to 30 minutes.
When initialization is complete, the infla- tion pressure of each tire will be displayed on the multi-information display.
Depending on the vehicle and driving con- ditions, initialization may take up to
approximately 1 hour to complete.
■The initialization operation
●Make sure to carry out initialization after
adjusting the tire inflation pressure. Also, make sure the tires are cold before carrying out initialization or tire inflation
pressure adjustment.
●If you have accidentally turned the engine
switch <power switch> off during initial- ization, it is not ne cessary to manually restart the initializatio n again, as initializa-
tion will restart automatically the next time the engine switch <power switch> is turned to IGNITION ON mode <ON
mode>.
●If you accidentally perform initialization
when initialization is not necessary, adjust the tire inflation pressure to the specified level when the tires are cold, and conduct
initialization again.
●While the position of each tire is being
determined and the inflation pressures are not being displayed on the multi-information display, if the inflation pres-
sure of a tire drops, the tire pressure warning light will come on.
■When initialization of the tire pressure warning system has failed
Initialization may take longer to complete if
the vehicle is driven on an unpaved road. When performing initialization, drive on a paved road if possible. Depending on the
driving environment an d condition of the tires, initialization will be completed in approximately 10 to 30 minutes. If initializa-
tion is not complete after driving approxi- mately 10 to 30 minutes, continue driving for a while. If the inflation of each tire is not
displayed after driving for approximately 1 hour, perform the following procedure.
●Park the vehicle in a safe place for approximately 20 minutes. Then drive straight (with occasional left and right
turns) at approximately 40 km/h (25 mph) or more for approximately 10 to 30 minutes.
However, in the following situations, the tire
inflation pressure will not be recorded and
the system will not operate properly. Per-
form initialization again.
●When performing init ialization, the tire