2018 LEXUS NX300h battery

94 2-1. Instrument cluster
LEXUS NX300h Owners Manu-
al_USA_OM78212U 1 Until the screen changes, continue
pressing the “DISP” button, and it
will repeat until the item desired to
be changed is displayed.Customization can be performed when
the head-up display is on.
2 Press the “DISP” button to switch
between on and off.On and off will be switched between each
time the button is pressed.
If the button is left alone without being
operated for a short time, setting will be
finished automatically. ■
When the 12-volt battery is discon-
nected
The customize settings of the head-up dis-
play will be reset.
Multi-information display
Navigation/multimedia system dis-
play
“DISP” switch/Meter control
switches
“MENU” button
TouchpadEnergy monitor/fuel con-
sumption screen You can view the status of your
hybrid system on the multi-informa-
tion display and the navigation/
multimedia system display.
System components
A
B
C
D
E

96 2-1. Instrument cluster
LEXUS NX300h Owners Manu-
al_USA_OM78212U These images are examples only, and may vary slightly from actual conditions.■
Hybrid battery (traction battery)
status 
Navigation/multimedia system dis-
play
Low
High 
Multi-information display
Low
High These images are examples only, and may
vary slightly from actual conditions.When the vehicle is charging the hybrid battery (traction battery)
Navigation/multimedia system display Multi-information display
When there is no energy flow
Navigation/multimedia system display Multi-information display
A
B A
B

102 3-1. Key information
LEXUS NX300h Owners Manu-
al_USA_OM78212U 3-1.Key information
The following keys are provided with
the vehicle.
Electronic keys• Operating the smart access system with
push-button start ( →
P.122 )
• Operating the wireless remote control
function
Mechanical keys
Key number plate
Card key (electronic key) (if
equipped)Operating the smart access system with
push-button start ( → P.122)
■
Card key (if equipped)
●
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 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.
●
The card key is not waterproof. ■
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 wh en the hybrid sys-
tem stops. ( → P.347)●
As the electronic key 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.347)
• 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 dete rioration, do not
leave the electronic key within 3 ft. (1 m)
of the following electrical appliances that
produce a magnetic field:Keys
Key types
A
B
C
D

1033-1. Key information
LEXUS NX300h Owners Manu-
al_USA_OM78212U 3
Before driving •TVs
• Personal computers
• Cellular phones, cordless phones and
battery chargers
• Recharging cellular phones or cordless
phones
• Induction cookers
• Table lamps ■
Replacing the battery
→ P.347■
Confirmation of the registered key
number
The number of keys already registered to
the vehicle can be confirmed. Ask your
Lexus dealer for details.
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 long periods 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 disassemb le 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 related problems
Take your vehicle with all the electronic
keys provided with your vehicle, includ-
ing the card key, to your Lexus dealer. ■
When an electronic key is lost
If the electronic key remains lost, the risk
of vehicle theft incr eases significantly.
Visit your Lexus deal er immediately with
all remaining electronic keys and the
card key that were provided with your
vehicle. ■
Handling the card key ●
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 termi-
nals. (To remove the battery cover,
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 battery, make sure
to check the direction of the battery.
Installing the battery in the wrong
direction may cause the battery to
deplete rapidly.

104 3-1. Key information
LEXUS NX300h Owners Manu-
al_USA_OM78212U The electronic keys are equipped with
the following wireless remote control:
Locks all the doors ( → P.106)
Unlocks all the doors ( → P.106)
Opens the windows and moon
roof *1, 2
( → P.106)
Opens and closes the power back
door *1
( → P.113)
Sounds the alarm ( → P.104)*1
: If equipped *2
: This setting must be customized at your
Lexus dealer.
■
Theft deterrent panic mode
When is pressed for longer than
about 1 second, an alarm will sound inter- mittently 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.
■
Back door reserve lock function (vehi-
cles with power back door)
This function is a function which reserves
locking of all doors, beforehand, when the
back door is open. When the follow is done,
all the doors except the back door are
locked and then back door will also be
locked at the same time it is closed.
1 Close all doors, except the back door.
2 Push the wireless lock button during the
automatic closing operation of the back
door.
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
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.387)NOTICE●
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
A
B
C
D
E Using the mechanical key

108 3-2. Opening, closing and locking the doors
LEXUS NX300h Owners Manu-
al_USA_OM78212U ■
Door lock buzzer
If an attempt to lock the doors is made when
a door is not fully closed, a buzzer sounds
continuously for 5 seconds. Fully close the
door to stop the buzzer, and lock the vehi-
cle once more. ■
Setting the alarm
Locking the doors will set the alarm system.
( → P.71)■
Conditions affecting the operation of
the smart access system with push-but-
ton start or wireless remote control
→ P.123■
If the smart access system with push-
button start or the wireless remote con-
trol does not operate properly●
Use the mechanical key to lock and
unlock the doors. ( → P.387)●
Replace the key battery with a new one if
it is depleted. ( → P.347)■
Customization
Settings (e.g. unloc king function using a
key) can be changed. (Customizable fea-
tures: → P.419) ■
Using the door lock switch
1 Locks all the doors
2 Unlocks all the doorsWARNING■
To prevent an accident
Observe the following precautions while
driving the vehicle.
Failure to do so may result in a door
opening and an occupant falling out,
resulting in death or serious injury. ●
Ensure that all doors are properly
closed and locked.
●
Do not pull the inside handle of the
doors while driving.
Be especially care ful for the front
doors, as the door s may be opened
even if the inside lock buttons are in
locked position.
●
Set the rear door ch ild-protector locks
when children are seated in the rear
seats. ■
When opening or closing a door
Check the surroundings of the vehicle
such as whether the vehicle is on an
incline, whether there is enough space
for a door to open and whether a strong
wind is blowing. When opening or clos-
ing the door, hold the door handle tightly
to prepare for any unpredictable move-
ment. ■
When using the wire less remote con-
trol and operating the power windows
or moon roof (if equipped)
Operate the power window or moon
roof after checking to make sure that
there is no possibility of any passenger
having any of their body parts caught in
the window or moon roof. Also do not let
a child operate window by the mechani-
cal key. It is possible for children and
other passengers to get caught in the
power window or moon roof.
Unlocking and locking the doors
from the inside

116 3-2. Opening, closing and locking the doors
LEXUS NX300h Owners Manu-
al_USA_OM78212U ter part of the rear bu mper, such as in the
rain or in a car wash●
When dirt is wiped off the lower center
part of the rear bumper●
When a metal object is brought near the
lower center part of the rear bumper●
When a vehicle cover is installed or
removed●
When pets or other moving things sud-
denly enter the area below the rear
bumper●
When attempting to remove an object
from below the lower center part of the
rear bumper●
When attempting to remove snow, etc.
from below the lower center part of the
rear bumper■
Situations in which the kick sensor does
not operate properly (vehicles with
power back door and kick sensor)
If the kick sensor does not operate in the
following situations, use the back door
opener switch or powe r back door switch
or wireless remote control to open the
power back door. ( → P.113)●
When the rear bumper is subjected to
strong impact●
When an external radio wave source
interferes with the communication
between the vehicle and electronic key
( → P.123)●
When a large amount of water is kept
applying to the lower center part of the
rear bumper, such as in heavy rain●
When the vehicle is being washed and
water is kept applying to lower center
part of the rear bumper
●
When the lower center part of the rear
bumper is covered with mud, snow, ice,
etc.
●
When a metal object, etc., such as a tow-
ing hitch is installed near the lower center
part of the rear bumper
●
When the vehicle has been parked for a
while near objects that may move and
contact the lower center part of the rear
bumper, such as grass or trees ●
When the vehicle is parked at an area
where an electric field is generated, such
as a road with an el ectric snow melting
system or parking meters ■
When reconnecting the 12-volt battery
To enable the power back door to operate
properly, close the back door manually. ■
Jam protection function
Sensors are installed in the right and left
sides of the power back door. When the
door is automatically closing and the sen-
sors are pushed due to an object being
clamped, etc., the jam protection function
operates.
From that position the door automatically
moves a little in the opposite direction and
then the function stops.
■
If the back door opener is inoperative
The back door can be unlocked from the
inside.
1 Remove the cover.
To protect the cover, place a rag between
the flathead screwdri ver and the cover as
shown in the illustration.
2 Move the lever.

1173-2. Opening, closing and locking the doors
LEXUS NX300h Owners Manu-
al_USA_OM78212U 3
Before driving ■
Customization
Settings (e.g. back door automatic open
and stop position) can be changed. (Cus-
tomizable features: → P.427)
WARNING■
Back door closer●
In the event that the back door is left
slightly open, the back door closer will
automatically close it to the fully closed
position. It takes several seconds
before the back door closer begins to
operate. Be careful not to catch fingers
or anything else in the back door, as
this may cause bone fractures or other
serious injuries.
●
Use caution when using the back door
closer as it still operates when the
power back door system is canceled.
■
Power back door
Observe the following precautions when
operating the power back door.
Failure to do so may cause death or seri-
ous injury.
●
Check the safety of the surrounding
area to make sure there are no obsta-
cles or anything that could cause any
of your belongings to get caught. ●
If anyone is in the vicinity, make sure
they are safe and let them know that
the back door is about to open or
close. ●
If the power back door system is
turned off with the main switch while
the back door is operating automati-
cally, the automatic operation is
stopped. The back door then has to be
operated manually. Take extra care
when on an incline, as the back door
may open or close unexpectedly. ●
If the operating conditions of the
power back door are no longer met, a
buzzer may sound and the back door
may stop opening or closing. The back
door then has to be operated manu-
ally. Take extra care when on an incline,
as the back door may open or close
abruptly. ●
On an incline, the back door may sud-
denly shut after it opens. Make sure
the back door is fully open and secure. ●
In the following situations, the power
back door may detect an abnormality
and automatic operation may be
stopped. In this case, the back door
has to be operated manually. Take
extra care when on an incline, as the
back door may open or close abruptly.
• When the back door contacts an
obstacle
• When the 12-volt battery voltage sud-
denly drops, such as when the power
switch is turned to power ON mode or
the hybrid system is started during
automatic operation
●
If a bicycle carrier or similar heavy
object is attached to the back door, the
power back door may not operate,
causing itself to malfunction, or the
back door may suddenly shut again
after being opened, causing some-
one’s hands, head or neck to be caught
and injured. When installing an acces-
sory part to the back door, using a
genuine Lexus part is recommended.