2018 Lexus LC500 key battery

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3-2. Opening, closing and locking the doors and trunk
Before driving
• The electronic key is near the ground or in a high place, or too close to the center of the rear bumper when the trunk is
opened. • The electronic key is on the instrument panel, rear package tray or floor, or in the
door pockets or glove box when the engine is started or engine switch modes are
changed.
●Do not leave the electronic key on top of
the instrument panel or near the door pockets when exiting the vehicle. Depending on the radio wave reception
conditions, it may be detected by the antenna outside the cabin and the doors will become lockable from the outside,
possibly trapping the electronic key inside the vehicle.
●As long as the electronic key is within the effective range, the doors may be locked or unlocked by anyone. However, only
the doors detecting the electronic key can be used to unlock the vehicle.
●Even if the electronic key is not inside the vehicle, it may be possible to start the engine if the electronic
key is near the window.
●The doors may unlock or lock if a large amount of water splashes on the door handle, such as in the rain or in a car
wash, when the electronic key is within the effective range. (The doors will auto- matically be locked after approximately
30 seconds if the doors are not opened and closed.)
●If the wireless remote control is used to lock the doors when the electronic key is near the vehicle, there is a possibility that
the door may not be unlocked by the entry function. (Use the wireless remote control to unlock the doors.)
●If the door handle becomes wet while the electronic key is within the effective
range, the door may lock and unlock repeatedly. In this case, follow the follow-ing correction procedures to wash the
vehicle: • Place the electronic key in a location 2 m (6 ft.) or more away from the vehicle.
(Take care to ensure that the key is not stolen.)• Set the electronic key to battery-saving
mode to disable the smart entry & start system. ( P.124)
●If the electronic key is inside the vehicle and a door handle becomes wet during a car wash, a message may be shown on
the multi-information display and a buzzer will sound outside the vehicle. To turn off the alarm, lock both side doors.
●If an outside door handle is not retracted during a car wash, a door may be opened
or an outside door handle may be dam- aged. Make sure that the outside door handles are retracted before using the
car wash.
●A sudden handle operation or a handle
operation immediately after entering the effective range may prevent the doors from being unlocked. Touch the door
unlock sensor and check that the doors are unlocked before pulling the door handle again.
●Unlocking the vehicle may take more time if another electronic key is within the
effective range.
■When the vehicle is not driven for extended periods
●To prevent theft of the vehicle, do not leave the electronic key within 2 m (6 ft.)
of the vehicle.
●The smart entry & start system can be
deactivated in advance.
■To operate the system properly
●Make sure to carry the electronic key
when operating the system. Do not get the electronic key too close to the vehicle when operating the system from the out-
side of the vehicle. Depending on the position and holding condition of the electronic key, the key
may not be detected correctly and the system may not operate properly. (The alarm may go off accidentally, or the door
lock prevention function may not oper- ate.)
●Do not leave the electronic key inside the

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4-2. Driving procedures
Driving
4-2.Driving procedures
1Press the parking brake switch to
check that the parking brake is set.
( P.187)
Parking brake indicator will come on.
2Firmly depress the brake pedal.
and a message will be displayed on
the multi-information display.
If it is not displayed, the engine cannot be started.
3 Press the engine switch shortly and
firmly.
When operating the engine switch, one
short, firm press is enough. It is not neces- sary to press and hold the switch.
The engine will crank until it starts or for up to 30 seconds, whichever is less.
Continue depressing the brake pedal until the engine is completely started.
The engine can be started from any engine
switch mode.
■Engine switch illumination
According to the situation, the engine switch illumination operates as follows.
●When a door is opened, or the engine switch mode is changed from ACCES-SORY or IGNITION ON mode to off,
the engine switch illumination slowly blinks.
●When depressing the brake pedal with carrying the electric key on your person, the engine switch illumination rapidly
blinks.
●When the engine sw itch is in ACCES- SORY or IGNITION ON mode, the engine switch illumination illuminates.
■If the engine does not start
●The engine immobilizer system may not have been deactivated. ( P.70)
Contact any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer.
●If a message related to start-up is shown on the multi-information display, read the
message and follow the instructions.
■If the 12-volt battery is discharged
The engine cannot be started using the
smart entry & start system. Refer to P.393 to restart the engine.
Engine (ignition) switch
(LC500)
Performing the following opera-
tions when carrying the electronic
key on your person starts the
engine or changes engine switch
modes.
Starting the engine

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4-2. Driving procedures
■Electronic key battery depletion
 P.112
■Conditions affecting operation
 P.124
■Notes for the entry function
 P.124
■Steering lock function
●After turning the engine switch off and
opening and closing the doors, the steer- ing wheel will be locked due to the steer-ing lock function. Op erating the engine
switch again automatically cancels the steering lock.
●When the steering lock cannot be released, “Push engine switch while turn-ing the steering wheel in either direction”
will be displayed on the multi-information display. Press the engine switch shortly and firmly
while turning the steering wheel left and right.
●To prevent the steering lock motor from overheating, operation of the motor may
be suspended if the engine is turned on and off repeatedly in a short period of time. In this case, refrain from operating
the engine switch. After about 10 sec- onds, the steering lock motor will resume functioning.
■If there is a malfunction in the smart
entry & start system
If “Entry & Start System Malfunction” is dis-
played on the multi-information display, the system may be malfunctioning. Have the vehicle inspected by any authorized Lexus
retailer or Lexus authorized repairer, or any reliable repairer immediately.
■Electronic key battery
 P.349
■Operation of the engine switch
●If the switch is not pressed shortly and firmly, the engine switch mode may not
change or the engine may not start.
●If attempting to restart the engine imme-
diately after turning the engine switch off, the engine may not start in some cases. After turning the engine switch off, please
wait a few seconds before restarting the engine.
■Customization
If the smart entry & start system has been deactivated in a customized setting, refer to P.389.
WARNING
■When starting the engine
Always start the engine while sitting in the driver’s seat. Do not depress the accelerator pedal while starting the
engine under any circumstances. Doing so may cause an accident result-ing in death or serious injury.
■Caution while driving
If engine failure occurs while the vehicle is moving, do not lock or open the doors
until the vehicle reaches a safe and com- plete stop. Activation of the steering lock in this circumstance may lead to an acci-
dent, resulting in death or serious injury.
NOTICE
■When starting the engine
●Do not race a cold engine.
●If the engine becomes difficult to start
or stalls frequently, have your vehicle checked by any authorized Lexus retailer or Lexus authorized repairer,
or any reliable repairer immediately.

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4-2. Driving procedures
on the multi-information display, read the message and follow the instructions.
■When the ambient temperature is low, such as during winter driving conditions
●When starting the hybrid system, the flashing time of the “READY” indicator
may be long. Leave the vehicle as it is until the “READY” indicator is steady on, as steady means the vehicle is able to move.
●When the hybrid battery (traction bat-tery) is extremely cold (below approxi-
mately -30°C [-22°F]) under the influence of the outside temperature, it may not be possible to start the hybrid
system. In this case, try to start the hybrid system again after the temperature of the hybrid battery increases due to the out-
side temperature increase etc.
■Sounds and vibrations specific to a hybrid vehicle
 P.64
■If the 12-volt battery is discharged
The hybrid system cannot be started using
the smart entry & start system. Refer to P.393 to restart the hybrid system.
■Electronic key battery depletion
 P.112
■Conditions affecting operation
 P.124
■Note for the entry function
 P.124
■Steering lock function
●After turning the power switch off and opening and closing the doors, the steer-
ing wheel will be locked due to the steer- ing lock function. Operating the power switch again automatically cancels the
steering lock.
●When the steering lock cannot be
released, “Push power switch while turn- ing the steering wheel in either direction” will be displayed on the multi-information
display. Press the power switch shortly and firmly while turning the steering wheel left and
right.
●To prevent the steering lock motor from
overheating, the motor may be sus- pended if the hybrid system is turned on and off repeatedly in a short period of
time. In this case, refrain from operating the power switch. After about 10 sec-onds, the steering lock motor will resume
functioning.
■If there is a malfunction in the smart entry & start system
If “Entry & Start System Malfunction” is dis- played on the multi-information display, the system may be malfunctioning. Have the
vehicle inspected by any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer immediately.
■If the “READY” indicator does not come
on
In the event that the “READY” indicator does not come on even after performing the proper procedures for starting the vehi-
cle, contact any authorized Lexus retailer or Lexus authorized repairer, or any reliable repairer immediately.
■If the hybrid system is malfunctioning
 P.68
■Electronic key battery
 P.349
■Operation of the power switch
●If the switch is not pressed shortly and
firmly, the power switch mode may not change or the hybrid system may not start.
●If attempting to restart the hybrid system immediately after turning the power
switch off, the hybrid system may not start in some cases. After turning the power

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5-5. Using the storage features
Interior features
5-5.Using the storage features
Glove box (P.293)
Auxiliary net
Door pockets
Console box/auxiliary box
( P.294)
Cup holder ( P.294)
1 Open (press the glove box opener)
2 Unlock with the mechanical key
3 Lock with the mechanical key
■Glove box light
The glove box light turns on when the tail lights are on.
■Trunk opener main switch
 P.122
■If the 12-volt battery is discharged
The glove box cannot be opened as usual.
Refer to P.393 to open the glove box.
List of stor age features
Location of the storage features
WARNING
■Items that should not be left in the
vehicle
Do not leave glasses, lighters or spray cans in the storage spaces, as this may cause the following when cabin tempera-
ture becomes high:
●Glasses may be deformed by heat or cracked if they come into contact with other stored items.
A
B
C
D
E
●Lighters or spray cans may explode. If they come into contact with other
stored items, the lighter may catch fire or the spray can may release gas, causing a fire hazard.
■When the storage compartments are
not in use
When driving or when the storage com- partments are not in use, keep the lids closed.
In the event of sudden braking or sudden swerving, an accident may occur due to an occupant being struck by an open lid
or the items stored inside.
Glove box

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6
Maintenance and care
Maintenance and care
6-1. Maintenance and care
Cleaning and protecting the vehi-
cle exterior ................................ 304
Cleaning and protecting the vehi-
cle interior ................................. 307
6-2. Maintenance
Maintenance requirements ... 312
6-3. Do-it-yourself maintenance
Do-it-yourself service precautions
......................................................... 314
Hood ............................................... 316
Positioning a floor jack............. 316
Engine compartment................ 318
12-volt battery............................. 325
Tires ................................................ 327
Replacing the tire ...................... 339
Tire inflation pressure.............. 345
Wheels .......................................... 346
Air conditioning filter............... 347
Electronic key battery ............. 349
Checking and replacing fuses
........................................................ 350
Light bulbs .................................... 355

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6-1. Maintenance and care
Maintenance and care
■Notes for a smart entry & start system
If the door handle becomes wet while the
electronic key is within the effective range, the door may lock and unlock repeatedly. In that case, follow the following correction
procedures to wash the vehicle:
●Place the key in a position 2 m (6 ft.) or
more separate from the vehicle while the vehicle is being washed. (Take care to ensure that the key is not stolen.)
●Set the electronic key to battery-saving mode to disable the smart entry & start
system. ( P.124)
■Aluminum wheels
●Remove any dirt immediately by using a
neutral detergent.
●Wash detergent off with water immedi-
ately after use.
●To protect the paint from damage, make
sure to observe the following precau- tions.• Do not use acidic, alkaline or abrasive
detergent • Do not use hard brushes• Do not use detergent on the wheels when
they are hot, such as after driving or park- ing in hot weather
■Brake caliper coating
●When using detergent, use neutral deter-gent. Do not use hard brushes or abra-
sive cleaners, as they will damage the coating.
●Do not use detergent on the brake cali-pers when they are hot.
●Wash detergent off immediately after use.
■Bumpers
Do not scrub with abrasive cleaners.
■Front side windows water-repellent coating
●The following precautions can extend the effectiveness of the water-repellent coat-ing.
• Remove any dirt, etc. from the front side windows regularly.• Do not allow dirt and dust to accumulate
on the windows for a long period. Clean the windows with a soft, damp cloth as soon as possible.
• Do not use wax or glass cleaners that contain abrasives when cleaning the win-dows.
• Do not use any metallic objects to remove condensation build up.
●When the water-repellent performance has become insufficient, the coating can be repaired. Contact any authorized
Lexus retailer or Lexus authorized repairer, or any reliable repairer.
WARNING
■When washing the vehicle
Do not apply water to the inside of the
engine compartment. Doing so may cause the electrical components etc. to catch fire.
■When cleaning the windshield
Set the wiper switch to off. If the wiper switch is in AUTO, the wipers
may operate unexpectedly in the follow- ing situations, and may result in hands being caught or other serious injuries
and cause damage to the wiper blades.
Off
AUTO
●When the upper part of the windshield where the raindrop sensor is located is
touched by hand
●When a wet rag or similar is held close to the raindrop sensor
●If something bumps against the wind-shield
A
B

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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 with the engine switch in ACCES-
SORY mode. The engine may not start with the engine switch turned off. However, the
engine will operate nor- mally from the second attempt.
●The engine switch mode
is recorded by the vehicle. If the 12-volt battery is reconnected, the vehicle will return the engine switch
mode to the status it was in before the 12- volt battery was disc onnected. Make sure to turn off the engine switch switch> before disconnect the 12-volt bat- tery. Take extra care when connecting the 12-volt battery if the engine switch
mode prior to discharge is unknown.
If the engine 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.