maintenance lexus LC500 2018 Workshop Manual

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6-3. Do-it-yourself maintenance
When replacing wheels, care should
be taken to ensure that they are equiv-
alent to those removed in load capac-
ity, diameter, rim width and inset*.
Replacement wheels are available at
any authorized Lexus retailer or Lexus
authorized repairer, or any reliable
repairer.
*: Conventionally referred to as offset.
Lexus does not recommend using the
following:
 Wheels of different sizes or types
 Used wheels
 Bent wheels that have been straight-
ened
■When replacing wheels
The wheels of your vehicle are equipped with tire pressure warning valves and trans-
mitters that allow the tire pressure warning system to provide advance warning in the event of a loss in tire inflation pressure.
Whenever wheels are replaced, tire pres- sure warning valves and transmitters must be installed. ( P.335)Use only Lexus wheel nuts and
wrenches designed for use with
your aluminum wheels.
 When rotating, repairing or chang-
Wheels
If a wheel is bent, cracked or heavily
corroded, it should be replaced.
Otherwise, the tire may separate
from the wheel or cause a loss of
handling control.
Wheel selection
WARNING
■When replacing wheels
●Do not use wheels that are a different
size from those recommended in the Owner’s Manual, as this may result in a loss of handling control.
●Never use an inner tube in a leaking
wheel which is designed for a tubeless tire. Doing so may result in an acci-dent, causing death or serious injury.
■Use of defective wheels prohibited
Do not use cracked or deformed wheels.
Doing so could cause the tire to leak air during driving, possibly causing an acci-dent.
NOTICE
■Replacing tire pressure warning
valves and transmitters
●Because tire repair or replacement
may affect the tire pressure warning valves and transmitters, make sure to have tires serviced by any authorized
Lexus retailer or Lexus authorized repairer, or any reliable repairer or other qualified service shop. In addi-
tion, make sure to purchase your tire pressure warning valves and transmit-ters at any authorized Lexus retailer or
Lexus authorized repairer, or any reli- able repairer.
●Ensure that only genuine Lexus wheels are used on your vehicle.
Tire pressure warning valves and trans- mitters may not work properly with non-genuine wheels.
Aluminum wheel precautions

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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
A
B

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5Remove the filter case.
6 Remove the air conditioning filter
from the filter case and replace it
with a new one.
The “ UP” marks shown on the filter and
the filter case should be pointing up.
■Checking interval
Inspect and replace the air conditioning fil- ter according to the maintenance schedule. In dusty areas or areas with heavy traffic
flow, early replacement may be required. (For scheduled maintenance information, please refer to the “Lexus Service Booklet”
or “Lexus Warranty Booklet”.)
■If air flow from the vents decreases dra- matically
The filter may be clogged. Check the filter and replace if necessary.
■Air conditioning filter with deodorizing function
When fragrances are placed in your vehi- cle, the deodorizing effect may become
significantly weakened in a short period.
When an air conditioning odor comes out continuously, replace the air conditioning filter.
NOTICE
■When using the air conditioning sys-tem
Make sure that a filter is always installed. Using the air conditioning system without
a filter may cause damage to the system.
■To prevent damage to the filter cover
When moving the filter cover in the
direction of arrow to release the fitting, pay attention not to apply excessive force to the claws. Otherwise, the claws may
be damaged.

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6-3. Do-it-yourself maintenance
Maintenance and care
■If the electronic key battery is depleted
The following symptoms may occur:
●The smart entry & start system and wire- less remote control will not function properly.
●The operational range will be reduced.
Prepare the following before replacing
the battery:
 Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2032
■Use a CR2032 lithium battery
●Batteries can be purchased at any autho-
rized Lexus retailer or Lexus authorized repairer, or any reliable repairer, local electrical appliance shops or camera
stores.
●Replace only with the same or equivalent
type recommended by the manufacturer.
●Dispose of used batteries according to
the local laws.
1 Take out the mechanical key.
2 Remove the cover.
To prevent damage to the key, wrap the tip
of the screwdriver with tape.
3 Remove the depleted battery.
Insert a new battery with the “+” terminal
facing up.
Electronic key battery
Replace the battery with a new one
if it is depleted.
Items to prepare
Replacing the battery

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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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6-3. Do-it-yourself maintenance
Maintenance and care
Engine compartment: type B fuse
box (LC500h)
Left-hand drive vehicles:
Push the tab in an d lift the lid off.
Right-hand drive vehicles:
Push the tab in an d lift the lid off.
Engine compartment: type C fuse
box (LC500h)
Push the tab in an d lift the lid off.
Trunk
Remove the luggage mat.
Push the tab in and lift the lid off.
Driver’s side instrument panel
Left-hand drive vehicles:
Push the tab in and remove the lid.
Make sure to push the tab in during
removal or installation.
Right-hand drive vehicles:
Push the tab in and remove the lid.

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6-3. Do-it-yourself maintenance
Make sure to push the tab in during
removal or installation.
Front passenger’s side instrument
panel
Left-hand drive vehicles:
Remove the cover, and then remove the
footwell light connector.
Push the tab in and remove the lid.
Make sure to push the tab in during
removal or installation.
Right-hand drive vehicles:
Remove the cover, and then remove the
footwell light connector.
Push the tab in and remove the lid.
Make sure to push the tab in during
removal or installation.

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6-3. Do-it-yourself maintenance
Maintenance and care
3Remove the fuse with the pullout
tool.
Only type A fuses can be removed using the pullout tool.
LC500
LC500h
4 Check if the fuse is blown.
Type A and B: Replace the blown fuse with a new fuse of an appropriate amperage rating. The
amperage rating can be found on the fuse box lid.
Type C and D: Contact any authorized Lexus retailer or
Lexus authorized repairer, or any reliable repairer.
Type A
Normal fuse
Blown fuse
Type B
Normal fuse
Blown fuse
Type C
Normal fuse
A
B
A
B
A

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6-3. Do-it-yourself maintenance
Blown fuse
Type D
Normal fuse
Blown fuse
■After a fuse is replaced
●When installing the lid, make sure that the tab is installed securely.
●If the lights do not turn on even after the fuse has been replaced, a bulb may need replacement. ( P.355)
●If the replaced fuse blows again, have the
vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer.
■If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.
■When replacing light bulbs
Lexus recommends that you use genuine Lexus products designed for this vehicle.
Because certain bulbs are connected to cir- cuits designed to prevent overload, non-genuine parts or parts not designed for this
vehicle may be unusable.
WARNING
■To prevent system breakdowns and vehicle fire
Observe the following precautions. Failure to do so may cause damage to
the vehicle, and possibly a fire or injury.
B
A
B
●Never use a fuse of a higher amperage rating than that indicated, or use any
other object in place of a fuse.
●Always use a genuine Lexus fuse or equivalent.Never replace a fuse with a wire, even
as a temporary fix.
●Do not modify the fuses or fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload
determined and repaired by any autho- rized Lexus retailer or Lexus authorized repairer, or any reliable repairer as soon
as possible.

355
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6-3. Do-it-yourself maintenance
Maintenance and care
Rear fog light
■Bulbs that need to be replaced by
any authorized Lexus retailer or
Lexus authorized repairer, or any
reliable repairer
 Headlights
 Front position lights and daytime
running lights
 Front turn signal lights
 Cornering lights
 Side turn signal lights
 Tail lights
 Stop lights
 Rear turn signal lights
 Back-up lights
 High mounted stoplight
 License plate lights
■LED lights
The lights other than the rear fog light each
consist of a number of LEDs. If any of the LEDs burn out, take your vehicle to any authorized Lexus retailer or Lexus autho-
rized repairer, or any reliable repairer to have the light replaced.
■Condensation build-up on the inside of
the lens
Temporary condensation build-up on the
inside of the headlight lens does not indi- cate a malfunction. Contact any authorized Lexus retailer or Lexus authorized repairer,
or any reliable repairer for more informa- tion in the following situations:
●Large drops of water have built up on the inside of the lens.
●Water has built up inside the headlight.
■When replacing light bulbs
 P.354
Light bulbs
You may replace the following bulbs
by yourself. Before replacing,
check the wattage of the light bulb
to be replaced. As there is a danger
that components may be damaged,
we recommend that replacement is
carried out by any authorized Lexus
retailer or Lexus authorized
repairer, or any reliable repairer.
Bulb location
A