warning light Lexus ES300h 2018 (OM33D45U) Owner's Guide

731-2. Hybrid system
ES300h_OM_OM33D45U_(U)
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For safety and security
■If a warning light comes on, a warning message is displayed, or the 12-volt battery is dis-
connected
The hybrid system may not start. In this case, try to start the system again. If the “READY”
indicator does not come on, contact your Lexus dealer.
■Running out of fuel
When the vehicle has run out of fuel and the hybrid system cannot be started, refuel the
vehicle with at least enough gasoline to make the low fuel level warning light (→P. 504)
go off. If there is only a small amount of fu el, the hybrid system may not be able to start.
(The standard amount of fuel is about 3.0 gal. [11.3 L, 2.5 Imp.gal.], when the vehicle is on
a level surface. This value may vary when the vehicle is on a slope. Add extra fuel when
the vehicle is inclined.)
■Electromagnetic waves
●High voltage parts and cables on hybrid ve hicles incorporate electromagnetic shield-
ing, and therefore emit approximately the same amount of electromagnetic waves as
conventional gasoline powered vehicles or home electronic appliances.
●Your vehicle may cause sound interference in some third party-produced radio parts.
■Hybrid battery (traction battery)
The hybrid battery (traction battery) has a li mited service life. The lifespan of the hybrid
battery (traction battery) can change in acco rdance with driving style and driving condi-
tions.
WARNING
■High voltage precautions
This vehicle has high voltage DC and AC sy stems as well as a 12-volt system. DC and
AC high voltage is very dangerous and can cause severe burns and electric shock that
may result in death or serious injury.
●Never touch, disassemble, remove or replace the high voltage parts, cables or their
connectors.
●The hybrid system will become hot after starting as the system uses high voltage. Be
careful of both the high voltage and the high temperature, and always obey the warn-
ing labels attached to the vehicle.
●Never try to open the service plug access
hole located behind the rear seats. The ser-
vice plug is used only when the vehicle is ser-
viced and is subject to high voltage.

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ES300h_OM_OM33D45U_(U)
Instrument cluster2
2. Instrument clusterWarning lights and indicators .............................. 82
Gauges and meters ..................... 86
Multi-information display ............91
Energy monitor/ consumption screen ................. 96

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ES300h_OM_OM33D45U_(U)2. Instrument cluster
Warning lights and indicators
The units used on the speedometer and some indicators may differ depending on the
target region or grade/type.
The warning lights and indicators on th
e instrument cluster and center panel
inform the driver of the status of the vehicle’s various systems.
For the purpose of explanation, the following illustration displays all warning
lights and indicators illuminated.

ES300h_OM_OM33D45U_(U)
832. Instrument cluster
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Instrument cluster
Warning lights inform the driver of malfunctions in the indicated vehicle’s sys-
tems.
*1: These lights turn on when the power switch is turned to ON mode to indicate that a system check is being performe d. They will turn off after the hybrid system is on, or
after a few seconds. There ma y be a malfunction in a system if a light does not come
on, or turn off. Have the vehicl e inspected by your Lexus dealer.
*2: The light flashes or illuminate s to indicate a malfunction.
*3: The light flashes to indicate a malfunction.
Warning lights
*1
(U.S.A.)
Brake system warning light
(→ P. 503)*1Electric power steering
system warning light
(→ P. 504)
*1
(Canada)
Brake system warning light
(→ P. 503)*1Slip indicator light
(→ P. 504)
*1
(U.S.A.)
Malfunction indicator lamp
(→ P. 503)*1Brake system warning light
(→ P. 503)
*1
(Canada)
Malfunction indicator lamp
(→ P. 503)Low fuel level warning light
(→ P. 504)
*1SRS warning light
(→ P. 503)Seat belt reminder light
(→ P. 504)
*1
(U.S.A.)
ABS warning light
(→ P. 503)*1Master warning light
(→ P. 504)
*1
(Canada)
ABS warning light
(→ P. 503)*1Tire pressure warning light
(→ P. 505)
*1, 2
PCS warning light
(→ P. 504)
*1, 3
(if equipped)
“AFS OFF” indicator
(→
P. 505)

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ES300h_OM_OM33D45U_(U)2. Instrument cluster
The indicators inform the driver of the op
erating state of the vehicle’s various sys-
tems.
Indicators
Turn signal indicator
( → P. 180)
(if equipped)
Intuitive parking assist
indicator ( →P. 237)
(U.S.A.)
Headlight indicator
(→ P. 182)*1, 2Slip indicator light
(→ P. 273)
(Canada)
Tail light indicator
(→ P. 182) *1VSC OFF indicator
(→ P. 274)
Headlight high beam
indicator ( →P. 183)
*1, 3PCS warning light
(→ P. 208)
Automatic High Beam
indicator ( →P. 185) *4, 5
(if equipped)
BSM outside rear view
mirror indicators
(→ P. 264)
Fog light indicator
( → P. 189)
*1, 6
“AIR BAG ON/OFF”
indicator ( →P. 46)
“READY” indicator
(→ P. 168)
EV indicator ( →P. 69)
(U.S.A.)
Parking brake indicator
(→ P. 181)
Radar cruise control
indicator ( →P. 225)
(Canada)
Parking brake indicator
(→ P. 181)
Cruise control “SET”
indicator ( →P. 225)*7Low outside temperature
indicator ( →P. 91)
LDA indicator ( →P. 216)

ES300h_OM_OM33D45U_(U)
852. Instrument cluster
2
Instrument cluster
*1: These lights turn on when the power switch is turned to ON mode to indicate that asystem check is being performe d. They will turn off after the hybrid system is on, or
after a few seconds. There ma y be a malfunction in a system if a light does not come
on, or turn off. Have the vehicl e inspected by your Lexus dealer.
*2: The light flashes to indicate that the system is operating.
*3: The light turns on when the system is turned off.
*4: In order to confirm operation, the BSM outside rear view mirror indicators illuminate
in the following situations:
• When the power switch is turned to ON mode while the BSM main switch is set to
ON.
• When the BSM main switch is set to ON while the power switch is in ON mode.
If the system is functioning correctly, the BSM outside rear view mirror indicators will
turn off after a few seconds.
If the BSM outside rear view mirror indicators do not illuminate or do not turn off,
there may be a malfunction with the system. If this occurs, have the vehicle inspected
by your Lexus dealer.
*5: This light illuminates on the outside rear view mirrors.
*6: This light illuminates on the center panel.
*7: When the outside temperature is approximately 37°F (3°C) or lower, the indicator
will flash for approximately 10 seconds, then stay on.
WARNING
■If a safety system warnin g light does not come on
Should a safety system light such as the ABS and SRS warning light not come on when
you start the hybrid system, this could mean that these systems are not available to help
protect you in an accident, which could result in death or serious injury. Have the vehi-
cle inspected by your Lexus dealer immediately if this occurs.

ES300h_OM_OM33D45U_(U)
892. Instrument cluster
2
Instrument cluster
■Tachometer
Hybrid System Indicator switches to the tachometer when driving mode is in sport mode.
The settings of the tachometer display can be changed on the multi-information display.
( → P. 91)
■Engine speed
Engine speed is precisely cont rolled in order to help improve fuel efficiency and reduce
exhaust emissions etc.
There are times when the engine speed that is displayed may differ even when vehicle
operation and driving conditions are the same.
■Outside temperature display
●In the following situations, the correct outside temperature may not be displayed, 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 the vehicle is parked in direct sunlight
●When “--” or “E” is displayed, the system may be malfunctioning.
Take your vehicle to your Lexus dealer.
■Pop-up display
In some situations, a pop-up display will be temporarily displayed on the multi-informa-
tion display or the odometer/trip meter/maintenance required information screen.
The pop-up display function can be set on/off. ( →P. 562)
■Liquid crystal display
Small spots or light spots may appear on the display. This phenomenon is characteristic
of liquid crystal displays, and there is no problem continuing to use the display.
■Customization
The meter display can be customized on the multi-information display.
(Customizable features →P. 560)
WARNING
■The information display at low temperatures
Allow the interior of the vehicle to warm up before using the liquid crystal information
display. At extremely low temperatures, th e information display monitor may respond
slowly, and display changes may be delayed.
For example, there is a lag between the dr iver’s shifting and the new gear number
appearing on the display. This lag could ca use the driver to downshift again, causing
rapid and excessive engine braking and possibly an accident resulting in personal
death or injury.

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ES300h_OM_OM33D45U_(U)3-2. Opening, closing and
locking the doors and trunk
WARNING
■Using the trunk
Observe the following precautions.
Failure to do so may cause parts of the body to be caught, resulting in serious injury.
●Remove any heavy loads, such as snow and ice, from the trunk lid before opening it.
Failure to do so may cause the trunk lid to suddenly shut again after it is opened.
●When opening or closing the trunk lid, thoroughly check to make sure the surround-
ing area is safe.
●If anyone is in the vicinity, make sure they are safe and let them know that the trunk is
about to open or close.
●Use caution when opening or closing the tr unk lid in windy weather as it may move
abruptly in strong wind.
●Do not attach any accessories other than genuine Lexus parts to the trunk lid. Such
additional weight on the trunk lid may cause the lid to suddenly shut again after it is
opened.
●Vehicles without power trunk opener and
closer: The trunk lid may suddenly shut if it is
not opened fully. It is more difficult to open or
close the trunk lid on an incline than on a level
surface, so beware of the trunk lid unexpect-
edly opening or closin g by itself. Make sure
that the trunk lid is fully open and secure
before using the trunk.
●When closing the trunk li d, take extra care to
prevent your fingers etc. from being caught.
●Vehicles without power trunk opener and
closer: When closing the trunk lid, make sure
to press it lightly on its outer surface. If the
trunk grip is used to fully close the trunk lid, it
may result in hands or arms being caught.

ES300h_OM_OM33D45U_(U)
1193-2. Opening, closing and locking the doors and trunk
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Operation of each component
WARNING
■Trunk easy closer (vehicles with power trunk opener and closer)
■Power trunk opener and closer (if equipped)
Observe the following precautions when operating the power trunk opener and closer.
Failure to do so may cause serious injury.
●Check the safety of the surrounding area to make sure there are no obstacles or any-
thing that could cause any of yo ur belongings to get caught.
●If anyone is in the vicinity, make sure they are safe and let them know that the trunk is
about to open or close.
●If the trunk closer switch is pressed while the trunk lid is opening during automatic
operation, the trunk lid stops opening. Take extra care when on an incline, as the trunk
lid may open or close suddenly.
●On an incline, the trunk lid may suddenly sh ut after it opens automatically. Make sure
the trunk lid is fully open and secure before using the trunk.
●In the following situations, the power trun k opener and closer may detect an abnor-
mality and automatic operation may be stoppe d. In this case, the trunk lid has to be
operated manually. Take extra care in this situation, as the stopped trunk lid may sud-
denly shut, causing an accident.
• When the trunk lid contacts an obstacle
• When the 12-volt battery voltage suddenly drops, such as when the power switch is turned to ON mode or the hybrid syst em is started during automatic operation
●Do not attach any accessories other than genuine Lexus parts to the trunk lid. The
power trunk opener and closer may not operate, causing itself to malfunction, or the
trunk lid may suddenly shut again after it is opened.
■Jam protection function (vehicles with power trunk opener and closer)
Observe the following precautions.
Failure to do so may cause serious injury.
●Never use any part of your body to intentionally activate the jam protection function.
●The jam protection function may not work if something gets caught just before the
trunk lid fully closes. Be careful not to catc h fingers or anything else in the trunk lid.
●The jam protection function may not work depending on the shape of the object that
is caught. Be careful not to catch fingers or anything else.
In the event that the trunk lid is left slightly open,
the trunk easy closer will automatically close it
to the fully closed position. It takes several sec-
onds before the trunk easy closer begins to
operate. Be careful not to catch fingers or any-
thing else in the trunk lid, as this may cause
bone fractures or other serious injuries.

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ES300h_OM_OM33D45U_(U)3-5. Opening, closing the windows and moon roof
■When the moon roof does not close normally
Perform the following procedure:
●If the moon roof closes
but then re-opens slightly
Stop the vehicle.
Press and hold the “CLOSE” switch.
*1
The moon roof will close, reopen an d pause for approximately 10 seconds.*2 Then it
will close again, tilt up and pause for approx imately 1 second. Finally, it will tilt down,
open and close.
Check to make sure that the moon roof is completely closed and then release the
switch.
●If the moon roof tilts down but then tilts back up
Stop the vehicle.
Press and hold the “UP” switch
*1 until the moon roof moves into the tilt up position
and stops.
Release the “UP” switch once and then press and hold the “UP” switch again.
*1
The moon roof will pause fo r approximately 10 seconds in the tilt up position.*2
Then it will adjust slightly and pause for approximately 1 second. Finally, it will tilt
down, open and close.
Check to make sure that the moon roof is completely closed and then release the
switch.
*1: If the switch is released at the incorrect time, the pr ocedure will have to be per-
formed again from the beginning.
*2: If the switch is released after the above mentioned 10 second pause, automatic operation will be disabled. In that case, press and hold the “CLOSE” or “UP” switch,
and the moon roof will tilt up and pause for approximately 1 second. Then it will tilt
down, open and close. Check to make sure that the moon roof is completely closed
and then release the switch.
If the moon roof does not fully close even after performing the above procedure cor-
rectly, have the vehicle inspected by your Lexus dealer.
■Moon roof open warning buzzer
The buzzer sounds and a message is shown on the multi-information display in the instru-
ment cluster when the power switch is turned off and the driver’s door is opened with the
moon roof open.
■Customization
Settings (e.g. linked door lock operation) can be changed.
(Customizable features: →P. 560)
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