2018 LEXUS NX300h battery

1233-2. Opening, closing and locking the doors
LEXUS NX300h Owners Manu-
al_USA_OM78212U 3
Before driving ■
When “Smart Access System Malfunc-
tion See Owner’s Manual” will be dis-
played on the multi-information display
The system may be ma lfunctioning. Have
the vehicle inspected by your Lexus dealer
immediately. ■
Battery-saving function
The battery-saving fu nction will be acti-
vated in order to prevent the electronic key
battery and the 12-volt battery from being
discharged while the vehicle is not in opera-
tion for a long time. ●
In the following situations, the smart
access system with pu sh-button start may
take some time to unlock the doors.
• The electronic key has been left in an
area of approximately 6 ft. (2 m) of the
outside of the vehicle for 10 minutes or
longer.
• The smart access system with push-but-
ton start has not been used for 5 days or
longer.
●
If the smart access system with push-but-
ton start has not been used for 14 days or
longer, the doors cannot be unlocked at
any doors except the driver’s door. In this
case, take hold of the driver’s door han-
dle, or use the wireless remote control or
the mechanical key, to unlock the doors.
■
Turning an electronic key to battery-
saving mode
When battery-saving mode is set, battery
depletion is minimized by stopping the elec- tronic key from receiving radio waves.
Press twice while pressing and
holding .
Confirm that the electronic key indicator
flashes 4 times. While the battery-saving
mode is set, the smart access system with
push-button start cannot be used. To cancel
the function, press any of the electronic key
buttons.
■
Conditions affecting operation
The smart access system with push-button
start, wireless remote control and immobi-
lizer system use weak radio waves. In the
following situations, the communication
between the electronic key and the vehicle
may be affected, preventing the smart
access system with push-button start, wire-
less remote control and immobilizer system
from operating properly. (Ways of coping:
→ P.387) ●
When the electronic key battery is
depleted ●
Near a TV tower, electric power plant,
gas station, radio stat ion, large display,
airport or other fac ility that generates
strong radio waves or electrical noise ●
When the electronic key is in contact
with, or is covered by the following metal-
lic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil
inside
• Metallic wallets or bags
•Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
●
When other wireless keys (that emit radio
waves) are being used nearby
●
When carrying the electronic key
together with the following devices that Situation Correction proce-
dure
The power switch
was turned to
ACCESSORY
mode while the
driver’s door was
open (The driver’s
door was opened
when the power
switch was in
ACCESSORY
mode). Turn the power
switch off and close
the driver’s door.

124 3-2. Opening, closing and locking the doors
LEXUS NX300h Owners Manu-
al_USA_OM78212U emit radio waves
• Portable radio, cellular phone, cordless
phone or other wireless communication
devices
• Another vehicle’s electronic key or a
wireless key that emits radio waves
• Personal computers or personal digital
assistants (PDAs)
• Digital audio players
• Portable game systems ●
If window tint with a metallic content or
metallic objects are attached to the rear
window●
When the electronic key is placed near a
battery charger or electronic devices■
Note for the entry function●
Even when the electronic key is within the
effective range (detection areas), the sys-
tem may not operate properly in the fol-
lowing cases:
• The electronic key is too close to the win-
dow or outside door handle, near the
ground, or in a high place when the doors
are locked or unlocked.
• The electronic key is near the ground or
in a high place, or too close to the rear
bumper center when the back door is
opened.
• The electronic key is on the instrument
panel, luggage room, floor, or in the door
pockets or glove box when the hybrid
system is started or power switch modes
are changed.●
Do not leave the electronic key on top of
the instrument panel or near the door
pockets when exiting the vehicle.
Depending on the radio wave reception
conditions, it may be detected by the
antenna outside the cabin and the door
will become lockable from the outside,
possibly trapping the electronic key
inside the vehicle.
●
As long as the electron ic key is within the
effective range, the doors may be locked
or unlocked by anyone.
●
Even if the electronic key is not inside the
vehicle, it may be possible to start the
hybrid system if the electronic key is near
the window.
●
The doors may unlock if a large amount
of water splashes on the door handle, such as in the rain or in a car wash when
the electronic key is within the effective
range. (The door will automatically be
locked after approximately 60 seconds if
the doors are not opened and closed.) ●
If the wireless remote control is used to
lock the doors when the electronic key is
near the vehicle, there is a possibility that
the door may not be unlocked by the
entry function. (Use the wireless remote
control to unlock the doors.) ●
Touching the door lock sensor while
wearing gloves may delay or prevent lock
operation. Remove the gloves and touch
the lock sensor again. ●
When the lock operation is performed
using the lock sensor, recognition signals
will be shown up to two consecutive
times. After this, no recognition signals
will be given. ●
If the door handle becomes wet while the
electronic key is within the effective
range, the door may lock and unlock
repeatedly. In that case, follow the follow-
ing correction procedures to wash the
vehicle:
• Place the electronic key in a location 6 ft.
(2 m) or more away from the vehicle.
(Take care to ensure that the key is not
stolen.)
• Set the electronic key to battery-saving
mode to disable the smart access system
with push-button start. ( → P.123)●
If the electronic key is inside the vehicle
and a door handle becomes wet during a
car wash, a message may be shown on
the multi-information display and a
buzzer will sound outside the vehicle. To
turn off the alarm, lock all the doors.
●
The lock sensor may not work properly if
it comes into contact with ice, snow, mud,
etc. Clean the lock sensor and attempt to
operate it again.
●
A sudden approach to the effective
range or door handle may prevent the
doors from being unlocked. In this case,
return the door handle to the original
position and check that the doors unlock
before pulling the door handle again.
●
If there is another electronic key in the
detection area, it may take slightly longer

168 4-2. Driving procedures
LEXUS NX300h Owners Manu-
al_USA_OM78212U 4-2.Driving procedures
1 Check that the parking brake is set.
2 Check that the shift lever is in P.
3 Firmly depress the brake pedal. and a message will be displayed on the
multi-information display.
If it is not displayed, the hybrid system can-
not be started.
4 Press the power switch shortly and
firmly.When operating the power switch, one
short, firm press is enough.
It is not necessary to press and hold the
switch.
If the “READY” indicator turns on, the
hybrid system will operate normally.
Continue depressing the brake pedal until
the “READY” indicator is illuminated.
The hybrid system can be started from any
power switch mode. 5 Check that the “READY” indicator
is illuminated. The vehicle will not move when the
“READY” indicator is off. ■
If the hybrid system does not start ●
The immobilizer system may not have
been deactivated. ( → P.69)
Contact your Lexus dealer. ●
Check that the shift leve r is securely set in
P. The hybrid system may not start if the
shift lever is displaced out of P. “To Start
Vehicle, Put Shift Lever into P” will be dis-
played on the multi-information display. ●
The smart access system with push-but-
ton start may not be operating prop-
erly.( → P.388)■
When the ambient temperature is low,
such as during winter driving conditions
When starting the hybrid system, the flash-
ing time of the “READY” indicator may be
long. Leave the vehicle as it is until the
“READY” indicator is steady on, as steady
means the vehicle is able to move. ■
Sounds and vibrations specific to a
hybrid vehicle
→ P.63 ■
Electronic key battery depletion
→ P.102 ■
Conditions affecting operation
→ P.123 ■
Note for the entry function
→ P.124
■
Steering lock function
●
After turning the power switch off and
opening and closing the doors, the steer-
ing wheel will be lock ed due to the steer-
ing lock function. Operating the power
switch again automatically cancels the
steering lock.
●
When the steering lock cannot be
released, “Steering Wheel Lock Press
Power Switch while Turning Wheel” will
be displayed on the multi-information dis-
play.Power (ignition) switch Performing the following opera-
tions when carryin g the electronic
key on your person starts the hybrid
system or changes power switch
modes.
Starting the hybrid system

1694-2. Driving procedures
LEXUS NX300h Owners Manu-
al_USA_OM78212U 4
Driving Check that the shift leve r is in P. Press the
power switch while turning the steering
wheel left and right.
●
To prevent the steering lock motor from
overheating, operation of the motor may
be suspended if the hybrid system is
turned on and off repeatedly in a short
period of time. In this case, refrain from
operating the hybrid system. After about
10 seconds, the stee ring lock motor will
resume functioning.■
If there is a malfun ction in the smart
access system with push-button start
If “Smart Access System Malfunction See
Owner’s Manual” is di splayed on the multi-
information display, the system may be mal-
functioning. Have the vehicle inspected by
your Lexus dealer immediately. ■
If the “READY” indicator does not come
on
In the event that the “READY” indicator
does not come on even after performing
the proper procedures for starting the vehi-
cle, contact your Lexus dealer immediately. ■
If the hybrid system is malfunctioning
→ P.67
■
Electronic key battery
→ P.347
■
Operation of the power switch
●
If the switch is not pressed shortly and
firmly, the power switch mode may not
change or the hybrid system may not
start.
●
If attempting to restart the hybrid system
immediately after turning the power
switch off, the hybrid system may not start
in some cases. After turning the power
switch off, please wait a few seconds
before restarting the hybrid system. ■
Customizable functions
→ P.421
1 Stop the vehicle completely.
2 Set the parking brake ( → P.179),
and shift the shift lever to P
( → P.173).
3 Press the power switch. WARNING■
When starting the hybrid system
Always start the hybrid system while sit-
ting in the driver’s seat. Do not depress
the accelerator pedal while starting the
hybrid system under any circumstances.
Doing so may cause an accident result-
ing in death or serious injury. ■
Caution while driving
If hybrid system failure occurs while the
vehicle is moving, do not lock or open the
doors until the vehicle reaches a safe and
complete stop. The steering lock func-
tion will activate and this may lead to an
accident, resulting in death or serious
injury.
NOTICE■
When starting the hybrid system ●
If the hybrid system becomes difficult
to start, have your vehicle checked by
your Lexus dealer immediately.
NOTICE■
Symptoms indicating a malfunction
with the power switch
If the power switch seems to be operat-
ing somewhat differently than usual, such
as the switch sticking slightly, there may
be a malfunction. Contact your Lexus
dealer immediately.
Stopping the hybrid system

170 4-2. Driving procedures
LEXUS NX300h Owners Manu-
al_USA_OM78212U 4 Release the brake pedal and check
that the display on the instrument
cluster is off.
Modes can be changed by pressing
the power switch with brake pedal
released. (The mode changes each
time the switch is pressed.) 1 Off *
The emergency flashers can be used.
2 ACCESSORY mode Some electrical components such as the
audio system can be used.
“ACCESSORY” will be displayed on the
multi-information display.
3 ON mode All electrical components can be used.
“IGNITION ON” will be displayed on the
multi-information display. *
: If the shift lever is in a position other than
P when turning off the hybrid system, the
power switch will be turned to ACCES-
SORY mode, not to off.
■
Auto power off function
If the vehicle is left in ACCESSORY mode
for more than 20 minutes or ON mode (the
hybrid system is not operating) for more
than an hour with the shift lever in P, the
power switch will automatically turn off.
However, this function cannot entirely pre-
vent 12-volt battery discharge. Do not leave
the vehicle with the power switch in
ACCESSORY or ON mode for long peri-WARNING■
Stopping the hybrid system in an
emergency
If you want to stop the hybrid system in an
emergency while driving the vehicle,
press and hold the power switch for more
than 2 seconds, or press it briefly 3 times
or more in succession. ( → P.358)
However, do not touch the power switch
while driving except in an emergency.
Turning the hybrid sy stem off while driv-
ing will not cause loss of steering or brak-
ing control, however, power assist to the
steering will be lost. This will make it
more difficult to st eer smoothly, so you
should pull over and stop the vehicle as
soon as it is safe to do so.
Changing power switch modes

1714-2. Driving procedures
LEXUS NX300h Owners Manu-
al_USA_OM78212U 4
Driving ods of time when the hybrid system is not
operating. ■
When stopping the hybrid system with
the shift lever in a po sition other than P
If the hybrid system is stopped with the shift
lever in a position ot her than P, the power
switch will not be turned off but instead be
turned to ACCESSORY mode. Perform
the following procedure to turn the switch
off:
1 Check that the parking brake is set.
2 Shift the shift lever to P.
3 Check that “Turn Off Vehicle” is dis-
played on the multi-information display
and then press the power switch once.
4 Check that “Turn Off Vehicle” on the
multi-information display is off.
Turns EV drive mode on/off When EV drive mode is turned on, the EV
drive mode indicator will come on.
Pressing the switch wh en in EV drive mode
will return the vehicle to normal driving
(using the gasoline engine and electric
motor [traction motor]).
■
Situations in which EV drive mode can-
not be turned on
It may not be possible to turn EV drive
mode on in the following situations. If it can-
not be turned on, a buzzer will sound and a
message will be shown on the multi-infor-
mation display.
●
The temperature of the hybrid system is
high.
The vehicle has been left in the sun, NOTICE■
To prevent 12-volt battery discharge●
Do not leave the power switch in
ACCESSORY or ON mode for long
periods of time without the hybrid sys-
tem on.●
If “ACCESSORY” or “IGNITION
ON” is displayed on the multi-informa-
tion display while the hybrid system is
not operating, the power switch is not
off. Exit the vehicle after turning the
power switch off.
●
Do not stop the hybrid system when
the shift lever is in a position other than
P. If the hybrid sy stem is stopped in
another shift lever position, the power
switch will not be turned off but instead
be turned to ACCESSORY mode. If
the vehicle is left in ACCESSORY
mode, 12-volt battery discharge may
occur. EV drive mode In EV drive mode, electric power is
supplied by the hybrid battery
(traction battery), and only the
electric motor (traction motor) is
used to drive the vehicle.
This mode allows you to drive in res-
idential areas early in the morning
and late at night, or in indoor park-
ing lots, etc., without concern for
noises and gas emissions.
Operating instructions

172 4-2. Driving procedures
LEXUS NX300h Owners Manu-
al_USA_OM78212U driven on a hill, driven at high speeds, etc.●
The temperature of the hybrid system is
low.
The vehicle has been left in temperatures
lower than about 32 °F (0 °C) for a long
period of time, etc.●
The gasoline engine is warming up.●
The hybrid battery (traction battery) is
low.
The remaining battery level indicated in
the “Energy Monitor” display is low.
( → P.95)●
Vehicle speed is high.●
The accelerator pedal is depressed firmly
or the vehicle is on a hill, etc.●
The windshield defogger is in use.■
Switching to EV drive mode when the
gasoline engine is cold
If the hybrid system is started while the gas-
oline engine is cold, the gasoline engine will
start automatically after a short period of
time in order to warm up. In this case, you
will become unable to switch to EV drive
mode.
After the hybrid system has started and the
“READY” indicator has illuminated, press
the EV drive mode switch before the gaso-
line engine starts to switch to EV drive
mode. ■
Automatic cancelation of EV drive
mode
When driving in EV drive mode, the gaso-
line engine may automatically restart in the
following situations. When EV drive mode
is canceled, a buzzer will sound, the EV
drive mode indicator w ill go off after flash-
ing, and a message is displayed on the
multi-information display.
●
The hybrid battery (traction battery)
becomes low.
The remaining battery level indicated in
the “Energy Monitor” display is low.
( → P.95)
●
Vehicle speed is high.
●
The accelerator pedal is depressed firmly
or the vehicle is on a hill, etc. ■
Possible driving distan ce when driving in
EV drive mode
EV drive mode’s possible driving distance
ranges from a few hundred meters to
approximately 0.6 mile (1 km). However,
depending on vehicle conditions, there are
situations when EV drive mode cannot be
used. (The distance that is possible depends
on the hybrid battery [traction battery] level
and driving conditions.) ■
Fuel economy
The hybrid system is designed to achieve
the best possible fuel economy during nor-
mal driving (using the gasoline engine and
electric motor [tractio n motor]). Driving in
EV drive mode more than necessary may
lower fuel economy.
WARNING■
Caution while driving
When driving in EV drive mode, pay spe-
cial attention to the area around the vehi-
cle. Because there is no engine noise,
pedestrians, people riding bicycles or
other people and vehicles in the area
may not be aware of the vehicle starting
off or approaching them, so take extra
care while driving.

1734-2. Driving procedures
LEXUS NX300h Owners Manu-
al_USA_OM78212U 4
Driving *1
: To improve fuel efficiency and reduce
noise, shift the shift lever to D for normal
driving.
You can choose gear range suitable for
your driving situation by operating the
paddle shift switches. *2
: By selecting shift ra nges using S mode,
you can control accelerating force and
engine braking force.
■
S mode●
When the shift range is 4 or lower, hold-
ing the shift lever towa rd “+” sets the shift
range to 6.
●
Automatically selects a higher shift range
before the engine speed becomes too
high.
■
When driving with dynamic radar cruise
control with full-speed range activated
Even when performing the following
actions with the intent of enabling engine
braking, engine braking will not activate
because dynamic radar cruise control with
full-speed range will not be canceled. ●
While driving in S mode, downshifting to
5 or 4. ( → P.176)●
When switching the driving mode to
sport mode while driving in D position.
( → P.249)■
Restraining sudden start (Drive-Start
Control)
When the following unusual operation is
performed, the hybrid system output may
be restrained. ●
When the shift lever is shifted from R to D,
D to R, N to R, P to D, or P to R (D
includes S) with the accelerator pedal
depressed, a warning message appears
on the multi-information display. If a
warning message is shown on the multi-
information display, read the message
and follow the instructions. ●
When the accelerator pedal is depressed
too while the vehicle is in reverse.Hybrid transmission Select the shift position depending
on your purpose and situation.
Shift position purpose and func-
tions Shift posi-
tion Objective or function
P Parking the vehicle/starting
the hybrid system
R Reversing
N Neutral
D Normal driving *1
S S mode driving *2
( → P.176)
WARNING■
When driving on slippery road sur-
faces
Be careful of downsh ifting and sudden
acceleration, as this could result in the
vehicle skidding to the side or spinning.
NOTICE■
Hybrid battery (t raction battery)
charge
If the shift lever is in N, the hybrid battery
(traction battery) will not be charging,
even when the engine is running. There-
fore, if the vehicle is left with the shift
lever in N for a long period of time, the
hybrid battery (traction battery) will dis-
charge, and this may re sult in the vehicle
not being able to start.