2018 LEXUS LS500 battery

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LS500_OM_OM50F54U_(U) Pictorial index Search by illustration
For safety
and security Make sure to read through them
(Main topics: Child seat, theft deterrent system)
Vehicle status
information and
indicators Reading driving-related information
(Main topics: Meters, multi-information display)
Before driving Opening and closing the doors and windows,
adjustment before driving
(Main topics: Keys, doors, seats)
Driving Operations and advice which are necessary for driving
(Main topics: Starting engine, refueling)
Interior features Usage of the interior features
(Main topics: Air conditioner, storage features)
Maintenance
and care Caring for your vehicle and maintenance procedures
(Main topics: Interior and exterior, light bulbs)
When trouble
arises What to do in case of malfunction and emergency
(Main topics: Battery discharge, flat tire)
Vehicle
specifications Vehicle specifications, customizable features
(Main topics: Fuel, oil, tire inflation pressure)
For owners Reporting safety defects for U.S. owners, seat belt and
SRS airbag instructions for Canadian owners
Index Search by symptom
Search alphabetically

4 TABLE OF CONTENTS
LS500_OM_OM50F54U_(U) 5-6. Using the other interior features
Other interior features .............. 342
Garage door opener.................. 349
Lexus Enform Safety Connect
........................................................... 355
6-1. Maintenance and care
Cleaning and protecting the vehi-
cle exterior ................................... 362
Cleaning and protecting the vehi-
cle interior .................................... 365
6-2. Maintenance
Maintenance requirements ..... 368
General maintenance ................ 369
Emission inspection and mainte-
nance (I/M) programs ............ 372
6-3. Do-it-yourself maintenance
Do-it-yourself service precautions
........................................................... 373
Hood.................................................. 375
Positioning a floor jack............... 375
Engine compartment.................. 377
Battery .............................................. 384
Tires ................................................... 386
Replacing the tire ......................... 396
Tire inflation pressure ................. 399
Wheels............................................... 401
Air conditioning filter.................. 402
Electronic key battery ................ 403
Checking and replacing fuses
........................................................... 405
Light bulbs ....................................... 408 7-1. Essential information
Emergency flashers ..................... 410
If your vehicle has to be stopped in
an emergency ............................. 410
7-2. Steps to take in an emergency
If your vehicle needs to be towed
............................................................ 412
If you think something is wrong
........................................................... 416
Fuel pump shut off system .......... 417
If a warning light turns on or a warn-
ing buzzer sounds...................... 418
If a warning messa ge is displayed
.......................................................... 428
If you have a flat tire .................... 432
If the engine will not start .......... 433
If you lose your keys.................... 435
If the fuel filler door cannot be
opened .......................................... 435
If the electronic key does not oper-
ate properly ................................. 436
If the vehicle battery is discharged
.......................................................... 438
If your vehicle overheats ........... 443
If the vehicle becomes stuck ... 446
8-1. Specifications
Maintenance data (fuel, oil level,
etc.) ................................................. 448
Fuel information............................ 457
Tire information ............................ 4596
Maintenance and care 7
When trouble arises
8
Vehicle specifications

611-3. Theft deterrent system
LS500_OM_OM50F54U_(U) 1
For safety and security ●
The battery is rech arged or replaced
when the vehicle is locked. ( → P.441)
■
Alarm-operated door lock
In the following cases, depending on the sit-
uation, the door may automatically lock to
prevent improper entry into the vehicle: ●
When a person remaining in the vehicle
unlocks the door and the alarm is acti-
vated.●
While the alarm is activated, a person
remaining in the vehicle unlocks the door.
NOTICE■
To ensure the system operates cor-
rectly
Do not modify or remove the system. If
modified or removed, the proper opera-
tion of the system cannot be guaranteed.

82 2-1. Instrument cluster
LS500_OM_OM50F54U_(U)  Eco Driving Indicator Light Select to enable/disable the Eco Driving
Indicator Light.
 Default setting Select to reset the meter display settings to
the default setting. ■
Vehicle functions and settings that
can be changed
→ P.468 ■
Suspension of the settings display●
Some settings cannot be changed while
driving. When changi ng settings, park
the vehicle in a safe place.●
If a warning message is displayed, opera-
tion of the settings display will be sus-
pended.
Displays suggestions to the driver in
the following situations. To select a
response to a displayed suggestion,
use the meter control switches. ■
Suggestion to turn off the head-
lights
If the headlights are left on for a certain
amount of time with the headlight
switch in after the engine switch
has been turned off, a suggestion mes-
sage will be displayed asking if you
wish to turn the headlights off.
To turn the headlight s off, select “Yes”.If a front door is opened after the engine
switch is turned off, this suggestion mes-
sage will not be displayed.
■
Customization
Some functions can be customized.
( → P.468)
WARNING■
Cautions during setting up the dis-
play
As the engine needs to be running
during setting up the display, ensure that
the vehicle is parked in a place with ade-
quate ventilation. In a closed area such as
a garage, exhaust gases including harm-
ful carbon monoxide (CO) may collect
and enter the vehicle. This may lead to
death or a serious health hazard.
NOTICE
■
During setting up the display
To prevent battery discharge, ensure that
the engine is running while setting up the
display features.
Suggestion function

852-1. Instrument cluster
LS500_OM_OM50F54U_(U) 2
Vehicle status information and indicators ■
Enabling/disabling the head-up dis-
play
Press the HUD switch.
■
Changing settings of the head-up
display
The following settings can be changed
on of the multi-information display.
( → P.468)
 Brightness and vertical position of
the head-up display Select to adjust the brightness or vertical
position of the head-up display.
 Tachometer/Eco Driving Indicator Select to display the tachometer, Eco Driv-
ing Indicator or no content.
 Display content Select to enable/dis able the following
items:
• Route guidance to destination/street
name
• Driving support system display *
• Compass (heading-up display)
• Audio system operation status *
: Make sure to enable this display when
using the driving support systems
 Display angle Select to adjust the angle of the head-up
display. ■
Enabling/disabling of the head-up dis-
play
If the head-up display is disabled, it will
remain disabled when the engine switch is
turned off then back to IGNITION ON
mode. ■
Display brightness
The brightness of the head-up display can
be adjusted on of the multi-information
display. Also, it is automatically adjusted
according to the ambient brightness. ■
Head-up display automatic position
adjustment
If the display position is recorded into mem-
ory, the head-up display will be automati-
cally adjusted to th e desired position.
( → P.127) ■
When the battery is disconnected
The customize settings of the head-up dis-
play will be reset.Using the head-up display
WARNING■
Caution for changing settings of the
head-up display
As the engine needs to be running while
changing the settings of the head-up dis-
play, ensure that the vehicle is parked in a
place with adequate ventilation. In a
closed area such as a garage, exhaust
gases including harmful carbon monox-
ide (CO) may collect and enter the vehi-
cle. This may lead to death or a serious
health hazard.
NOTICE
■
When changing the settings of the
head-up display
To prevent battery discharge, ensure that
the engine is running while the changing
the settings of the head-up display.

92 3-1. Key information
LS500_OM_OM50F54U_(U) 3-1.Key information
The following keys are provided with
the vehicle.
Electronic keys• Operating the smart access system with
push-button start ( →
P.107 )
• Operating the wireless remote control
function ( →
P.94 )
Mechanical keys
Key number plate
Card key (electronic key) (if
equipped)Operating the smart access system with
push-button start ( → P.107)
■
Card key (if equipped)
●
The card key is not waterproof.
●
The mechanical key that is stored inside
the card key should be used only if a
problem arises, such as when the card key does not operate properly. ●
If it is difficult to take out the mechanical
key, push down the lock release button
using a pen tip etc. If it is still difficult to
pull it out, use a coin etc. ●
To store the mechanical key in the card
key, insert it while pressing the lock
release button.
●
If the battery cover is not installed and the
battery falls out or if the battery was
removed because the key got wet, rein-
stall the battery with the positive terminal
facing the Lexus emblem.
■
When riding in an aircraft
When bringing an electronic key onto an
aircraft, make sure you do not press any
buttons on the electronic key while inside
the aircraft cabin. If you are carrying an
electronic key in your bag etc., ensure that
the buttons are not likely to be pressed acci-
dentally. Pressing a button may cause the
electronic key to em it radio waves that
could interfere with the operation of the air-
craft.
■
Electronic key battery depletion
●
The standard battery life is 1 to 2 years.
(The card key battery life is about a year
and a half.)
●
If the battery becomes low, an alarm will
sound in the cabin and a message will be
shown on the multi-information display
when the engine is stopped.Keys
The keys
A
B
C
D

933-1. Key information
LS500_OM_OM50F54U_(U) 3
Before driving ●
To reduce key battery depletion when the
electronic key is to not be used for long
periods of time, set the electronic key to
the battery-saving mode. ( → P.108)●
As the electronic ke y always receives
radio waves, the battery will become
depleted even if the electronic key is not
used. The following symptoms indicate
that the electronic key battery may be
depleted. Replace the battery when nec-
essary. ( → P.403)
• The smart access system with push-but-
ton start or the wireless remote control
does not operate.
• The detection area becomes smaller.
•The LED indicator on the key surface
does not turn on.●
To avoid serious deterioration, do not
leave the electronic ke y within 3 ft. (1 m)
of the following electr ical appliances that
produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and
battery chargers
• Recharging cellular phones or cordless
phones
• Table lamps
• Induction cookers ■
Replacing the battery
→ P.403■
Confirmation of the number of regis-
tered keys
The number of keys already registered to
the vehicle can be confirmed. Ask your
Lexus dealer for details.
■
If “A New Key has been Registered
Contact Your Dealer for Details” is
shown on the multi-information display
This message will be displayed each time
the driver’s door is opened when the doors
are unlocked from the outside for approxi-
mately 10 days after a new electronic key
has been registered.
If this message is disp layed but you have not
had a new electronic key registered, ask
your Lexus dealer to check if an unknown
electronic key (other than those in your
possession) has been registered. NOTICE■
To prevent key damage ●
Do not drop the keys, subject them to
strong shocks or bend them. ●
Do not expose the keys to high tem-
peratures for a long period of time. ●
Do not get the keys wet or wash them
in an ultrasonic washer etc. ●
Do not attach metallic or magnetic
materials to the keys or place the keys
close to such materials. ●
Do not disassemble the keys. ●
Do not attach a sticker or anything else
to the surface of the electronic key. ●
Do not place the keys near objects that
produce magnetic fields, such as TVs,
audio systems and induction cookers,
or medical electrical equipment, such
as low-frequency therapy equipment. ■
Carrying the electronic key on your
person
Carry the electronic key 3.9 in. (10 cm)
or more away from electric appliances
that are turned on. Radio waves emitted
from electric applianc es within 3.9 in. (10
cm) of the electronic key may interfere
with the key, causing the key to not func-
tion properly.
■
In case of a smart access system with
push-button start malfunction or
other key-rela ted problems
→ P.436
■
When an electronic key is lost
→ P.435
■
Handling the card key (if equipped)
●
Do not apply excess force when insert-
ing the mechanical key into the card
key. Doing so may damage the card
key.

94 3-1. Key information
LS500_OM_OM50F54U_(U) The electronic keys are equipped with
the following wireless remote control: Locks the doors ( → P.96)
Unlocks the doors ( → P.96)
Opens the windows *1
and moon
roof *1, 2
or panoramic moon roof *1,
2
( → P.96)
Opens the trunk ( → P.103)
Sounds the alarm *1
: This setting must be customized at your
Lexus dealer. *2
: If equipped
■
Theft deterrent panic mode
When is pressed for longer than about one
second, an alarm will sound intermittently
and the vehicle lights will flash to deter any
person from trying to break into or damage
your vehicle.
To stop the alarm, press any button on the
electronic key.
To take out the mechanical key, push
the release button and take the key out.NOTICE●
If the battery or card key terminals get
wet, the battery may corrode and the
card key may stop working.
If the key is dropped into water, or if
drinking water, etc. is spilled on the key,
immediately remove the battery cover
and wipe the battery and terminals. (To
remove the battery co ver, lightly grasp
and pull it.) If the battery is corroded,
have your Lexus dealer replace the
battery.●
Do not crush the battery cover or use
a screwdriver to remove the battery
cover.
Forcibly removing the battery cover
may bend or damage the key.●
If the battery cover is frequently
removed, the battery cover may
become loose.●
When installing the ba ttery, make sure
to check the direction of the battery.
Installing the battery in the wrong
direction may cause the battery to
deplete rapidly.●
The surface of the card key may be
damaged, or its coating may peel off in
the following situations:
• The card key is carried together with
hard objects, such as coins and keys.
• The card key is scraped with a sharp
object, such as the tip of a mechanical
pencil.
• The surface of the card key is wiped
with thinner or benzene.
Wireless remote control
Using the mechanical key A
B
C
D
E