Remove battery lexus LC500 2018 User Guide

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6-1. Maintenance and care
2Remove the filter.
3 Remove dust using a vacuum
cleaner etc. to clean the filter.
Also, remove dust on the grille as well as on the filter using a vacuum cleaner.
4 Install the filter in its original posi-
tion, and then install the grille.
5 Start the hybrid system and check
that the warning message on the
multi-information display disap-
pears.
It may take several minutes before the warning message disappears.
■Cleaning the air intake vents and filters
●Dust on the air intake vents or filters may interferes cooling of the hybrid battery (traction battery) and results in poor fuel
consumption. Clean the air intake vents and filters periodically.
●If continuing to drive the vehicle with “Maintenance required for Traction bat-tery cooling parts See owner’s manual”
shown on the multi-information display, the hybrid battery (traction battery) input and output may be restricted, leading to a
reduction in hybrid battery (traction bat- tery) output and a malfunction. It may cause poor fuel consumption or a mal-
function. If the warning message is shown, contact any authorized Lexus retailer or Lexus authorized repairer, or any reliable
repairer or clean the air intake vents and filters immediately.
●Improper handling may result in damage to the grille or filters. If you have any con-cerns about cleaning the filters, contact
any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer.
●If the warning message on the multi-infor-mation display does not disappear after
cleaning the filters, have the vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or
any reliable repairer.
●Timing of cleaning filters differs depend-
ing on the use environment of the vehicle.
NOTICE
■When cleaning the air intake vents
and filters
Observe the following precautions. Fail-
ure to do so may cause damage to the vehicle.
●When removing the air intake vent grille, make sure to turn the power
switch off to stop the hybrid system.
●Do not use water or other liquid to clean the air intake vents or filters.
●Do not allow water or foreign matter to enter the air intake vent when the grille
is removed.
●Carefully handle th e removed filters not to damage.If the filter is damaged, have it replaced
with a new filter by any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer.

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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 <power
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
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 <hybrid sys-
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 <hybrid system>.
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 <hybrid
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
<power switch> off.
7 Maintain the engine speed of the
second vehicle and start the engine
<hybrid system> of your vehicle by
turning the engine switch <power
switch> to IGNITION ON mode
<ON mode>.
8 Once the vehicle’s engine <hybrid
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 <hybrid system> 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 <hybrid system> when the 12-volt battery is discharged
The engine <hybrid system> cannot be started by push-starting.
■To prevent 12-volt battery discharge
●Turn off the headlights and the audio sys-tem while the engine <hybrid system> is
stopped.
●Turn off any unnecessary electrical com-
A
B
C
D

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7-2. Steps to take in an emergency
ponents when the vehicle is running at a low speed for an extended period, such as in heavy traffic.
■When the 12-volt battery is removed or
discharged
●Information stored in the ECU is cleared.
When the 12-volt battery is depleted, have the vehicle inspected at any autho-rized Lexus retailer or Lexus authorized
repairer.
●Some systems may require initialization.
( P.436)
■When removing the 12-volt battery ter- minals
When the 12-volt battery terminals are removed, the information stored in the ECU is cleared. Before removing the 12-
volt battery terminals, contact any autho- rized Lexus retailer or Lexus authorized repairer.
■Charging the 12-volt battery
The electricity stored in the 12-volt battery will discharge gradually even when the
vehicle is not in use, due to natural dis- charge and the draining effects of certain
electrical appliances. If the vehicle is left for a long time, the 12-volt battery may dis-charge, and the engine <hybrid system>
may be unable to start. (The 12-volt battery recharges automatically during driving.)
■When recharging or replacing the 12-volt battery
●In some cases, it may not be possible to unlock the doors using the smart entry &
start system when the 12-volt battery is discharged. Use the wireless remote control or the mechanical key to lock or
unlock the doors.
●The engine <hybrid system> may not start
on the first attempt after the 12-volt bat- tery has recharged but will start normally after the second attempt. This is not a
malfunction.
●The engine switch <power switch> mode
is memorized by the vehicle. When the 12-volt battery is reconnected, the system will return to the mode it was in before
the 12-volt battery was discharged.
Before disconnecting the 12-volt battery, turn the engine switch <power switch> off. If you are unsure what mode the engine
switch <power switch> was in before the 12-volt battery discharged, be especially careful when reconnecting the 12-volt
battery.
●If the 12-volt battery discharges, it may
not be possible to shift the shift position to other positions. In this case, the vehicle cannot be towed without lifting both rear
wheels because the rear wheels will be locked. ( P.363)
■When replacing the 12-volt battery
●Use a Central Degassing type 12-volt battery (European Regulations).
●LC500: Use a 12-volt battery that the case size is same as the previous one (LN4), 20 hour rate capacity (20HR) is
equivalent (80Ah) or greater, and per- formance rating (CCA) is equivalent (685A) or greater.
LC500h: Use a 12-volt battery that the case size is same as the previous one (LN3), 20 hour rate capacity (20HR) is
equivalent (70Ah) or greater, and perfor- mance rating (CCA) is equivalent
(600A) or greater. • If the sizes differ, the 12-volt battery can-not be properly secured.
• If the 20 hour rate capacity is low, even if the time period where the vehicle is not used is a short time, the 12-volt battery
may discharge and engine <hybrid sys- tem> may not be able to start.
●Use a 12-volt battery with a handle. If a 12-volt battery without a handle is used, removal is more difficult.
●After exchanging, firmly attach the fol-lowing items to the exhaust hole of the 12-
volt battery. • Use the exhaust hose that was attached to the 12-volt battery before exchanging.
• Use the exhaust hole plug included with the 12-volt battery exchanged or the one installed on the battery prior to the
exchange. (Depending on the 12-volt battery to be exchanged, the exhaust hole may be plugged.)

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7-2. Steps to take in an emergency
When trouble arises
Exhaust hole plug
Exhaust hole
Exhaust hose
For details, consult any authorized Lexus
retailer or Lexus authorized repairer.
WARNING
■When removing the 12-volt battery
terminals
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, leading to a fire in addi-tion to electrical shocks and death or
serious injury.
■Avoiding 12-volt battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flamma-
ble gas that may be emitted from the 12- volt battery:
●Make sure each jumper cable is con-nected to the correct terminal and that
it is not unintentionally 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 12-volt battery.
●If the 12-volt battery fluid level is exces-sively low ( P.327), do not use the
12-volt battery.
■12-volt battery precautions
The 12-volt battery contains poisonous and corrosive acidic electrolyte, while related parts contain lead and lead com-
pounds. Observe the following precau- tions when handling the 12-volt battery:
●When working with the 12-volt battery, always wear safety glasses and take
care not to allow any 12-volt battery fluids (acid) to come into contact with
skin, clothing or the vehicle body.
●Do not lean over the 12-volt battery.
●In the event that 12-volt 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 handling the 12-volt battery support, terminals,
and other battery-related parts.
●Do not allow children near the 12-volt battery.

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Alphabetical index
Brake hold ........................................................189
Break-in tips .................................................... 155
Brightness control
Instrument panel light control................... 91
BSM (Blind Spot Monitor) ...................... 248
Blind Spot Monitor function................. 254
Rear Crossing Traffic Alert function 256
C
Care....................................................... 304, 307
Aluminum wheels ..................................... 305
Exterior............................................................304
Interior .............................................................307
Seat belts ........................................................307
Cargo hooks ..................................................295
Center Display .............................................. 274
Chains ................................................................ 271
Child restraint system ...................................48
Fixed with a seat belt................................... 54
Fixed with an ISOFIX rigid anchor ..... 57
Points to remember..................................... 48
Riding with children ..................................... 47
Types of child restraint system installation
method ...........................................................50
Using an anchor bracket (for top strap)
............................................................................60
Child safety ........................................................ 47
12-volt battery precautions ...... 325, 399
Airbag precautions ......................................40
Child restraint system................................. 48
Heated steering wheel and seat heater
precautions............................................... 288
How your child should wear the seat belt
............................................................................ 32
Installing child restraints ..............................51
Power window lock switch.....................152
Power window precautions .................... 151
Removed electronic key battery precau-
tions .............................................................. 350
Seat belt precautions .................................. 47
Trunk precautions......................................... 119
Cleaning .............................................. 304, 307
Aluminum wheels ..................................... 305
Exterior........................................................... 304
Interior .............................................................307
Radar sensor ................................... 208, 253
Seat belts ........................................................307
Clock................................................................. 297
Coat hooks .................................................... 298
Condenser......................................................323
Console box ...................................................294
Console box light .........................................294
Consumption screen ................................... 104
Coolant
Capacity .......................................................... 416
Checking........................................................ 322
Preparing and checking before winter
..........................................................................269
Cooling system .............................................322
Engine overheating......................400, 403
Hybrid system overheating ................. 404
Cornering lights............................................. 193
Cruise control
Cruise control..............................................239
Dynamic radar cruise control with full-
speed range .............................................. 229
Cup holder......................................................294
Current fuel consumption ...........................94
Curtain shield airbags ...................................35
Customizable features ..............................423
D
Daytime running light system.....................191
Defogger
Outside rear view mirrors...................... 281
Rear window ................................................. 281
Windshield ..................................................... 281
Differential ....................................................... 418
Dimension ........................................................410