2018 LEXUS NX300h light

60 1-1. For safe use
LEXUS NX300h Owners Manu-
al_USA_OM78212U Exhaust gas precautions Harmful substance to the human
body are contained in exhaust
gases if inhaled. WARNING
Exhaust gases contain harmful carbon
monoxide (CO), which is colorless and
odorless. Observe the following precau-
tions.
Failure to do so may cause exhaust gases
enter the vehicle and may lead to an
accident caused by light-headedness, or
may lead to death or a serious health
hazard. ■
Important points while driving●
Keep the back door closed.●
If you smell exhaust gases in the vehi-
cle even when the back door is closed,
open the windows and have the vehi-
cle inspected at your Lexus dealer as
soon as possible.■
When parking●
If the vehicle is in a poorly ventilated
area or a closed area, such as a
garage, stop the hybrid system.
●
Do not leave the vehicle with the
hybrid system on for a long time. If
such a situation cannot be avoided,
park the vehicle in an open space and
ensure that exhaust fumes do not enter
the vehicle interior.
●
Do not leave the hybrid system operat-
ing in an area with snow build-up, or
where it is snowing. If snowbanks build
up around the vehicle while the hybrid
system is operating, exhaust gases
may collect and enter the vehicle. ■
Exhaust pipe
The exhaust system needs to be checked
periodically. If there is a hole or crack
caused by corrosion, damage to a joint
or abnormal exhaust noise, be sure to
have the vehicle inspected and repaired
by your Lexus dealer.

64 1-2. Hybrid system
LEXUS NX300h Owners Manu-
al_USA_OM78212U The illustration is an example for explanation and may differ from the actual item.
Warning label
Hybrid battery (traction battery)
Rear electric motor (traction motor)
Service plug
High voltage cables (orange)
Front electric motor (traction motor)
Power control unit
Air conditioning compressor
■
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 Hybrid system precautions Take care when handling the hybrid sy stem, as it is a high voltage system
(about 650 V at maximum) as well as contains parts that become extremely
hot when the hybrid system is operating. Obey the warning labels attached to
the vehicle.
System components
A
B
C
D
E
F
G
H

68 1-2. Hybrid system
LEXUS NX300h Owners Manu-
al_USA_OM78212U ■
If a warning light comes on, a warning
message is displayed, or the 12-volt bat-
tery is disconnected
The hybrid system may not start. In this
case, try to start the system again. If the
“READY” indicator does not come on, con-
tact your Lexus dealer.

691-3. Theft deterrent system
LEXUS NX300h Owners Manu-
al_USA_OM78212U 1
For safety and security 1-3.Theft deterrent system
The indicator light flashes after the
power switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing after
the power switch has been turned to ACCESSORY or ON mode to indi-
cate that the system has been can-
celed.
■
System maintenance
The vehicle has a maintenance-free type
engine immobilizer system. ■
Conditions that may cause the system to
malfunction ●
If the grip portion of the key is in contact
with a metallic object ●
If the key is in close proximity to or touch-
ing a key registered to the security sys-
tem (key with a built-in transponder chip)
of another vehicle■
Certification for the immobilizer system 
For vehicles sold in the U.S.A.Immobilizer system The vehicle’s keys have built-in tran-
sponder chips that prevent the
hybrid system from starting if a key
has not been previously registered
in the vehicle’s on-board computer.
Never leave the keys inside the
vehicle when you leave the vehicle.
This system is designed to help pre-
vent vehicle theft but does not guar-
antee absolute security against all
vehicle thefts.
Operating the system

711-3. Theft deterrent system
LEXUS NX300h Owners Manu-
al_USA_OM78212U 1
For safety and security
■
Items to check before locking the
vehicle
To prevent unexpected triggering of
the alarm and vehicle theft, make sure
of the following:
 Nobody is in the vehicle.
 The windows and moon roof (if
equipped) are closed before the
alarm is set.
 No valuables or other personal
items are left in the vehicle. ■
Setting
Close the doors and hood, and lock all
the doors. The system will be set auto-
matically after 30 seconds. The indicator light changes from being on
to flashing when the system is set. ■
Canceling or stopping
Do one of the following to deactivate
or stop the alarms:
 Unlock the doors.
 Turn the power switch to ACCES-
SORY or ON mode, or start the
hybrid system. (The alarm will be
deactivated or stopped after a few
seconds.) ■
System maintenance
The vehicle has a maintenance-free type
alarm system. ■
Triggering of the alarm
The alarm may be triggered in the following
situations:
(Stopping the alarm deactivates the alarm
system.) ●
A person inside the vehicle opens a door
or hood, or unlocks the vehicle using an
inside lock button.
●
The 12-volt battery is recharged or
replaced when the vehicle is locked.
( → P.392)Alarm The alarm uses light and sound to
give an alert when an intrusion is
detected.
The alarm is triggered in the follow-
ing situations when the alarm is set:
 A locked door is unlocked or
opened in any way other than
using the entry function, wireless
remote control or mechanical
key. (The doors will lock again
automatically.)
 The hood is opened.
Setting/canceling/stopping the
alarm system

73
LEXUS NX300h Owners Manu-
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Vehicle status information and indicators Vehicle status information
and indicators2-1. Instrument cluster
Warning lights and indicators . 74
Gauges and meters .................... 79
Multi-information display.......... 85
Head-up display ........................... 90
Energy monitor/fuel consumption
screen ............................................ 94

74 2-1. Instrument cluster
LEXUS NX300h Owners Manu-
al_USA_OM78212U 2-1.Instrument cluster
For the purpose of explanatio n, the following illustration displays all warning lights
and indicators illuminated.
The units used on the meter and some in dicators may differ depending on the tar-
get region.Warning lights and indicators The warning lights and indicators inform th e driver of the status of the vehicle’s
various systems.
Instrument cluster

752-1. Instrument cluster
LEXUS NX300h Owners Manu-
al_USA_OM78212U 2
Vehicle status information and indicators Warning lights inform the driver of mal-
functions in any of the vehicle’s sys-
tems.
*1
: These lights turn on when the power
switch is turned to ON mode to indi-
cate that a system check is being per-
formed. They will turn off after the
hybrid system is on, or after a few sec-Warning lights (U.S.A.)
Brake system warning light *1

( → P.365)(Red)
(Canada)
Brake system warning light *1

( → P.365)
Charging system warning
light *2
( → P.365)
Low engine oil pressure warn-
ing light *2
( → P.365)
High coolant temperature
warning light *2
( → P.366)
(Yellow)
Brake system warning light *1

( → P.366)
(U.S.A.)
Malfunction indicator lamp *1

( → P.366)
(Canada)
Malfunction indicator lamp *1

( → P.366)
SRS warning light *1
( → P.366)
(U.S.A.)
ABS warning light *1
( → P.367)
(Canada)
ABS warning light *1
( → P.367)
(Yellow) Electric power steering sys-
tem warning light *1
( → P.367) (Red)
Electric power steering sys-
tem warning light *1
( → P.367)
PCS warning light *1
( → P.367)(if equipped)
PKSB OFF indicator *1, 3
( → P.368)(Orange)
LDA indicator *2
( → P.368)
Slip indicator light *1
( → P.368)
Brake hold operated indica-
tor *1, 3
( → P.368)(U.S.A.)
Parking brake indicator *3

( → P.369)
(Canada)
Parking brake indicator *3

( → P.369)
Low fuel level warning light
( → P.369)
Driver’s and front passenger’s
seat belt reminder light
( → P.369)
Rear passengers' seat belt
reminder light *4
( → P.370)
Master warning light *1

( → P.370)
Tire pressure warning light *1

( → P.370)
Brake Override System/
Drive-Start Control warning
light *2
( → P.371)