2018 Lexus LC500 Engine cover

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6-3. Do-it-yourself maintenance
Maintenance and care
ing your tires, check that the wheel
nuts are still tight after driving 1600
km (1000 miles).
 Be careful not to damage the alumi-
num wheels when using tire chains.
 Use only Lexus genuine balance
weights or equivalent and a plastic
or rubber hammer when balancing
your wheels.
1 Turn the engine switch switch> off.
2 Open the glove box.
3 Remove the panel.
4 Unlock the filter cover ( ), pull
the filter cover out of the claws
( ), and remove the filter cover.
Air conditioning filter
The air conditioning filter must be
changed regularly to maintain air
conditioning efficiency.
Removing the air conditioning
filter
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6-3. Do-it-yourself maintenance
1Turn the engine switch switch> off.
2 Open the fuse box cover.
Engine compartment: type A fuse
box (LC500)
Left-hand drive vehicles:
Push the tab in and lift the lid off.
Right-hand drive vehicles:
Push the tab in and lift the lid off.
WARNING
■Removed battery and other parts
These parts are small and if swallowed by
a child, they can cause choking. Keep away from children. Failure to do so could result in death or serious injury.
■Certification for the electronic key
battery
CAUTION
RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE.
DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS
NOTICE
■When replacing the battery
Use a screwdriver of appropriate size. Applying excessive force may deform or
damage the cover.
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents:
●Always work with dry hands.Moisture may cause the battery to rust.
●Do not touch or move any other com-
ponent inside the remote control.
●Do not bend either of the battery ter- minals.
Checking and replacing
fuses
If any of the electrical components
do not operate, a fuse may have
blown. If this happens, check and
replace the fuses as necessary.
Checking and replacing fuses

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7-2. Steps to take in an emergency
When trouble arises
To have your vehicle towed by another
vehicle, the towing eyelet must be
installed to your vehicle. Install the tow-
ing eyelet using the following proce-
dure.
1 Take out the towing eyelet.
( P.339)
2 Remove the eyelet cover using a
flathead screwdriver.
To protect the bodywork, place a rag between the screwdriver and the vehicle body as shown in the illustration.
3 Insert the towing eyelet into the
hole and tighten partially by hand.
4 Tighten down the towing eyelet
securely using a wheel nut wrench
or hard metal bar.
5 Securely attach cables or chains to
the towing eyelet.
Take care not to damage the vehicle body.
6 Enter the vehicle being towed and
start the engine .
If the engine does not start, turn the engine switch switch> to IGNITION ON mode .
7 Shift the shift position to N and
release the parking brake.
■While towing
If the engine is not running , the power assist for the brakes and
steering will not function, making steering and braking more difficult.
■Wheel nut wrench
Wheel nut wrench is installed in trunk. ( P.339)
Emergency towing procedure

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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.
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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
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-
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7-2. Steps to take in an emergency
When trouble arises
radiator core (radiator) for any
leaks.
Radiator
Cooling fan
If a large amount of coolant leaks, immedi-
ately contact any authorized Lexus retailer
or Lexus authorized repairer, or any reli-
able repairer.
4 The coolant level is satisfactory if it
is between the “F” and “L” lines on
the reservoir.
Reservoir
“F” line
“L” line
Coolant inlet cap
5 Add coolant if necessary.
Water can be used in an emergency if
coolant is unavailable.
6 Start the engine and turn the air
conditioning system on to check
that the radiator cooling fan oper-
ates and to check for coolant leaks
from the radiator or hoses.
The fan operates when the air conditioning
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.)
7 If the fan is not operating:
Stop the engine immediately and
contact any authorized Lexus
retailer or Lexus authorized
repairer, or any reliable repairer.
If the fan is operating:
Have the vehicle inspected at the
nearest authorized Lexus retailer
or Lexus authorized repairer, or any
reliable repairer.
■When adding coolant
Add coolant in accordance with the follow- ing procedure.
1 Remove the service cover.
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