battery LEXUS LS500H 2018 User Guide

691-4. Theft deterrent system
LS500h_OM_OM50F42U_(U) 1
For safety and security ●
The 12-volt battery is recharged or
replaced when the vehicle is locked.
( → P.450)
■
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.

78 2-1. Instrument cluster
LS500h_OM_OM50F42U_(U) Displays warning messages if a malfunction occurs ( → P.437)■
Hybrid System Indicator
Charge areaShows regeneration *
status.
Regenerated energy will be used to charge
the hybrid battery (traction battery).
Hybrid Eco areaShows that gasoline engine power is not
being used very often.
The gasoline engine will automatically stop
and restart under various conditions.
Eco areaShows that the vehicle is being driven in an
Eco-friendly manner.
By keeping the bar display within Eco area,
more Eco-friendly driv ing can be achieved.
Power areaShows that an Eco-friendly driving range is
being exceeded (durin g full power driving
etc.) *
: When used in this manual, regeneration
refers to the conversion of energy cre-
ated by the movement of the vehicle into
electrical energy.
■
Engine speed
On hybrid vehicles, engine speed is pre-
cisely controlled in order to help improve
fuel efficiency and reduce exhaust emis-
sions etc.
There are times when the engine speed that
is displayed may differ even when vehicle operation and driving conditions are the
same. ■
Hybrid System Indicator is displayed
when
The Hybrid System Indicator is displayed in
the following situations: ●
The shift position is in D or M. ●
The driving mode is other than sport
mode.
However, the Hybrid System Indicator will
not be displayed when the analog and digi-
tal speedometers are both enabled on
of the multi-information display. ( → P.90)■
Outside temperature display ●
In the following situations, the correct
outside temperature may not be dis-
played, or the display may take longer
than normal to change:
• When stopped, or driving at low speeds
(less than 12 mph [20 km/h])
• When the outside temperature has
changed suddenly (at the entrance/exit of
a garage, tunnel, etc.) ●
When “--” or “E” is displayed, the system
may be malfunctioning. Take your vehicle
to your Lexus dealer. ■
Liquid crystal display
→ P.87 ■
Customization
The gauges and meters can be customized
on of the multi-information display.
( → P.90)A
B
C
D
WARNING
■
The information display at low tem-
peratures
Allow the interior of the vehicle to warm
up before using the liquid crystal infor-
mation display. At extremely low tem-
peratures, the information display
monitor may respond slowly, and display
changes may be delayed.

832-1. Instrument cluster
LS500h_OM_OM50F42U_(U) 2
Vehicle status information and indicators Engine coolant temperature gaugeDisplays the engine coolant temperature
Multi-information displayPresents the driver with a variety of vehicle data ( → P.86)
Displays warning messages if a malfunction occurs ( → P.437)■
Hybrid System Indicator
Charge areaShows regeneration *
status.
Regenerated energy will be used to charge
the hybrid battery (traction battery).
Hybrid Eco areaShows that gasoline engine power is not
being used very often.
The gasoline engine will automatically stop
and restart under various conditions.
Eco areaShows that the vehicle is being driven in an
Eco-friendly manner.
By keeping the bar display within Eco area,
more Eco-friendly driv ing can be achieved.
Power areaShows that an Eco-friendly driving range is
being exceeded (durin g full power driving
etc.) *
: When used in this manual, regeneration
refers to the conversion of energy cre-
ated by the movement of the vehicle into
electrical energy. ■
Rev indicator
When the engine speed reaches a set
speed or the red zone, a ring-shaped
indicator ( ) will be displayed on the
tachometer. The indicators will be displayed in amber
when the engine speed reaches a set
speed, and in red when the engine speed
reaches the red zone.
The engine speed at which the rev indica-
tor will begin to be displayed can be set on
of the multi-information display.
( → P.90)
■
Rev peak
When the engine speed reaches or
exceeds 4000 rpm, an afterimage of
the tachometer will be displayed at the
highest engine speed for approxi-
mately 1 second.I
J
A
B
C
D A

912-1. Instrument cluster
LS500h_OM_OM50F42U_(U) 2
Vehicle status information and indicators 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 power switch
has been turned off, a suggestion mes-
sage will be displayed asking if you
wish to turn the headlights off.
To turn the headlights off, select “Yes”. If a front door is opened after the power
switch is turned off, this suggestion mes- sage will not be displayed. ■
Customization
Some functions can be customized.
( → P.481)
WARNING■
Cautions during setting up the dis-
play
As the hybrid system needs to be operat-
ing during setting up the display, ensure
that the vehicle is parked in a place with
adequate ventilation. In a closed area
such as a garage, exhaust gases includ-
ing harmful 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 12-volt battery discharge,
ensure that the hybrid system is operat-
ing while setting up the display features.
Suggestion function

94 2-1. Instrument cluster
LS500h_OM_OM50F42U_(U) ■
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.481)
 Brightness and vertical position of
the head-up display Select to adjust the brightness or vertical
position of the head-up display.
 Hybrid System Indicator/tachome-
ter Select to display the Hybrid System Indica-
tor, tachometer 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 power switch is
turned off then back to 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.139) ■
When the 12-volt battery is discon-
nected
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 hybrid system needs to be operat-
ing while changing th e settings of the
head-up display, ensure that the vehicle
is parked in a place with adequate venti-
lation. In a closed area such as a garage,
exhaust gases including harmful carbon
monoxide (CO) may collect and enter
the vehicle. This may lead to death or a
serious health hazard.
NOTICE
■
When changing the settings of the
head-up display
To prevent 12-volt battery discharge,
ensure that the hybrid system is operat-
ing while the changing the settings of the
head-up display.

98 2-1. Instrument cluster
LS500h_OM_OM50F42U_(U) These images are examples only, and may vary slightly from actual conditions.
■
Hybrid battery (traction battery)
status 
Center Display Low
HighWhen the vehicle is charging the hybrid battery (traction battery)
Center Display
Multi-information display
When there is no energy flow
Center Display
Multi-information display
A
B

104 3-1. Key information
LS500h_OM_OM50F42U_(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.119 )
• Operating the wireless remote control
function ( →
P.106 )
Mechanical keys
Key number plate
Card key (electronic key) (if
equipped)Operating the smart access system with
push-button start ( → P.119)
■
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 hybrid system is stopped.Keys
The keys
A
B
C
D

1053-1. Key information
LS500h_OM_OM50F42U_(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.120)●
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.413)
• 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.413■
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.445
■
When an electronic key is lost
→ P.444
■
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.

106 3-1. Key information
LS500h_OM_OM50F42U_(U) The electronic keys are equipped with
the following wireless remote control: Locks the doors ( → P.108)
Unlocks the doors ( → P.108)
Opens the windows and moon
roof *
( → P.108)
Opens the trunk ( → P.115)
Sounds the alarm *
: This setting must be customized at your
Lexus dealer.
■
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. The mechanical key can only be inserted in
one direction, as the key only has grooves
on one side. If the key cannot be inserted in 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

1073-1. Key information
LS500h_OM_OM50F42U_(U) 3
Before driving a lock cylinder, turn it over and re-attempt
to insert it.
After using the mechanical key, store it in
the electronic key. Carry the mechanical
key together with the electronic key. If the
electronic key battery is depleted or the
entry function does not operate properly,
you will need the mechanical key.
( → P.413)
■
When required to leave the vehicle’s
key with a parking attendant
Turn the trunk opener main switch off
( → P.118) and lock the glove box ( → P.344)
as circumstances demand.
Remove the mechanical key for your own
use and provide the attendant with the elec-
tronic key only.
■
If you lose your mechanical keys
→ P.444
■
If a wrong key is used
The key cylinder rotates freely, isolated
from the internal mechanism.