2018 Lexus LC500 belt

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7-2. Steps to take in an emergency
a different tone for 90 more seconds.
■Rear passengers’ seat belt reminder lights (warning buzzer*1)*2
*1: Rear passenger’s seat belt warning buzzer:
The seat belt warning buzzer sounds to alert th e rear passengers that his or her seat belt is
not fastened. The buzzer sounds for 30 second s after the vehicle reaches a speed of 20
km/h (12 mph). Then, if the seat belt is still unfastened, the buzzer will sound in a different
tone for 90 more seconds.
*2: This light illuminates on the center panel.
■Master warning light (warning buzzer)
■Tire pressure warning light
Warning
lightWarning light/Details/Actions
Warns the rear passengers to fasten their seat belts
 Fasten the seat belt.
Warning
lightWarning light/Details/Actions
A buzzer sounds and the warning light comes on and flashes to indicate that
the master warning system has detected a malfunction.
 P.378
Warning
lightWarning light/Details/Actions
When the light comes on:
Low tire inflation pressure such as
 Natural causes (P.375)
 Flat tire (P.384)
 Adjust the tire inflation pressure to the specified level.
The light will turn off after a few minu tes. In case the light does not turn
off even if the tire inflation pressure is adjusted, have the system
checked by any authorized Lexus reta iler or Lexus authorized repairer,
or any reliable repairer.
When the light comes on after blinking for 1 minute:
Malfunction in the tire pressure warning system
 Have the system checked by any authorized Lexus retailer or Lexus
authorized repairer, or any reliable repairer.

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7-2. Steps to take in an emergency
When trouble arises
■High coolant temperature warning light (warning buzzer)*
*: This light illuminates on the multi-information display.
■Front passenger detection sensor, seat belt reminder and warning buzzer
●If luggage is placed on a 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 a cushion is placed on the seat, the sensor may not detect a passenger, and the warning
light may not operate properly.
■If the malfunction indicator lamp comes on while driving
The malfunction indicator lamp w ill come on if the fuel tank becomes completely empty. If
the fuel tank is empty, refuel the vehicle immediately. The malfunction indicator lamp will go off after several trips.
If the malfunction indicator lamp does not go off, contact any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer as soon as possible.
■Electric power steering system warning light (warning buzzer)
When the 12-volt battery charge becomes insufficient or the voltage temporarily drops, the electric power steering system warning lig ht may come on and the warning buzzer may sound.
■Tire pressure warning light
When a malfunction occurs in the tire pressure 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, maki ng it difficult to determine whether the warning light is blinking, turn the engine switch fr om off to IGNITION ON mode and check if the warning light blinks.
■When the tire pressure warning light comes on
Carry out the following procedure after the tire temperature has lowered sufficiently.
●Check the tire inflation pressure and adjust to the appropriate level.
●If the warning light does not go out even after several minutes, check that the tire inflation
pressure is at the specified level and carry out initialization. ( P.335)
The warning light may come on again if the above operations are conducted without first
allowing the tire temperature to lower sufficiently.
■The tire pressure warning light may come on due to natural causes
The tire pressure warning light may come on du e to natural causes such as natural air leaks
and tire inflation pressure changes caused by temperature. In this case, adjusting the tire inflation pressure will turn off the warning light (after a few minutes).
Warning
lightWarning light/Details/Actions
Indicates that the engine coolant temperature increases
 Stop and check. (P.400, 403)

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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
1Stop the vehicle in a safe place and
turn off the air conditioning system,
and then stop the engine.
2 If you see steam:
Carefully lift the hood after the
steam subsides.
If you do not see steam:
Carefully lift the hood.
3 After the engine has cooled down
sufficiently, inspect the hoses and
WARNING
■After recharging the 12-volt battery
Have the 12-volt battery inspected at any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer as soon as possible. If the 12-volt battery is deteriorating, continued use may cause the 12-volt battery to emit a
malodorous gas, which may be detri- mental to the health of passengers.
■When exchanging the 12-volt battery
After exchanging, securely attach the exhaust hose and exhaust hole plug to
the exhaust hole of the exchanged 12- volt battery. If not properly installed, gases (hydrogen) may leak into the vehi-
cle interior, and there is the possible dan- ger 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 12-volt bat-tery from another vehicle in an emer-
gency. It cannot be used to jump start another vehicle.
If your vehi cle overheats
(LC500)
The following may indicate that
your vehicle is overheating.
 The engine coolant temperature
gauge ( P.88) is in the red zone
or a loss of engine power is expe-
rienced. (For example, the vehicle
speed does not increase.)
 “Engine Coolant Temp High” is
shown on the multi-information
display.
 Steam comes out from under the
hood.
Correction procedures

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7-2. Steps to take in an emergency
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.
■To prevent damage to the cooling sys-
tem
Observe the following precautions:
●Avoid contaminating the coolant with foreign matter (such as sand or dust etc.).
●Do not use any coolant additive.

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8-1. Specifications
Vehicle specifications
This number is also on the manufac-
turer’s label.
■Engine number
The engine number is located as
shown.
LC500
LC500h
LC500
LC500h
Engine
Model2UR-GSE
Type8-cylinder V type, 4-cycle, gasoline
Bore and stroke94.0  89.5 mm (3.70  3.52 in.)
Displacement4969 cm3 (303.2 cu.in.)
Drive belt tensionAutomatic adjustment
Model8GR-FXS
Type6-cylinder V type, 4-cycle, gasoline

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8-1. Specifications
*: If unleaded gasoline with an octane rating of 98 RON is not available, unleaded gasoline
with an octane rating of 95 RON may be used with no detriment to engine durability or
driveability.
Bore and stroke94.0  83.0 mm (3.7  3.3 in.)
Displacement3456 cm3 (210.9 cu.in.)
Drive belt tensionAutomatic adjustment
Fuel
Fuel type
When you find these types of fuel label at the
gas station, use only the fuel with one of the fol-
lowing labels.

EU area:
Unleaded gasoline conforming to European
standard EN228 only
Except EU area:
Unleaded gasoline only
Research Octane NumberLC50098 or higher*
LC500h95 or higher
Fuel tank capacity (Reference)82 L (21.7 gal., 18.0 Imp.gal.)
Electric motor (traction motor) (LC500h)
TypePermanent magnet synchronous motor
Maximum output131.9 kW
Maximum torque300 N•m (30.6 kgf•m, 221.3 ft•lbf)
Hybrid battery (traction battery) (LC500h)
TypeLithium-ion battery
Voltage3.7 V/cell