2015 LEXUS NX300h battery

1193-1. Key information
3
Operation of each component
NX300h_U_OM78007U 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 can-
not 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 mechan-
ical 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. 5 9 2 )
■
Panic modeUsing the mechanical key
When is pressed for longer than about
1 second, an alarm will sound intermittently and
the vehicle lights will flash to deter any person
from trying to break into or damage your vehi-
cle.
To stop the alarm, press any button on the elec-
tronic key.

120 3-1. Key information
NX300h_U_OM78007U ■
Card key (if equipped) ●
The mechanical key that is st ored 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 release button using a pen
tip, etc. If it is still difficult to pull it out, use a coin, etc.
●
The card key is not waterproof. ■
When required to leave the vehicle’s key with a parking attendant
Lock the glove box as circumstances demand. (  P. 4 4 7 )
Remove the mechanical key for your own use and provide the attendant with the elec-
tronic key only. ■
If you lose your mechanical keys
New genuine mechanical keys can be made by your Lexus dealer using another
mechanical key and the key number stamped on your key number plate. Keep the plate
in a safe place such as your wallet, not in the vehicle.■
When riding in an aircraft
When bringing an electronic key onto an aircraft, make sure you do not press any but-
tons on the electronic key while inside the airc raft cabin. If you are carrying an electronic
key in your bag, etc., ensure that the butt ons are not likely to be pressed accidentally.
Pressing a button may cause the electronic key to emit radio waves that could interfere
with the operation of the aircraft. ●
To store the mechanical key in the card key,
insert it while pressing the release button. ●
If the battery cover is not installed and the bat-
tery falls out or if the battery was removed
because the key got wet, reinstall the battery
with the positive terminal facing the Lexus
emblem.

1213-1. Key information
3
Operation of each component
NX300h_U_OM78007U ■
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 when the hybrid system
stops. ●
As the electronic key always receives ra dio waves, the battery will become depleted
even if the electronic key is not used. The following symptoms indicate that the elec-
tronic key battery may be depleted. Re place the battery when necessary. (  P. 5 3 2 )
• The smart access system with push-button 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 key within 3 ft. (1 m) of the
following electrical appliances that produce a magnetic field:
•TVs
• Personal computers
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
• Induction cookers
• Table lamps ■
Replacing the battery
 P. 5 3 2 ■
Confirmation of the registered key number
The number of keys already registered to the vehicle can be confirmed. Ask your Lexus
dealer for details. ■
If a wrong key is used
The key cylinder rotates freely to isolate inside mechanism.

1233-1. Key information
3
Operation of each component
NX300h_U_OM78007U NOTICE ■
Handling the card key ●
Do not apply excess force when inserting th e mechanical key into the card key. Doing
so may damage 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 drinkin g water, etc., is spilled on the key, immedi-
ately remove the battery cover and wipe the battery and terminals. (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 co ver 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 directio n may cause the battery to deplete rapidly.●
The surface of the card key may be damaged, or its coating may peel off in the follow-
ing 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.

1253-2. Opening, closing and locking the doors
3
Operation of each component
NX300h_U_OM78007U ■
Operation signals
Doors:
A buzzer sounds and the emergency flashers flash to indicate that the doors have been
locked/unlocked. (Locked: Once; Unlocked: Twice)
Windows:
A buzzer sounds to indicate that all windows are opening. ■
Security feature
If a door is not opened within approximately 60 seconds after the vehicle is unlocked, the
security feature automatically locks the vehicle again. ■
Welcome light illumination control
The side marker, parking, tail and license plat e lights automatically turn on at night when
the doors are unlocked using the entry functi on or wireless remote control if the light
switch is in the “AUTO” position. ■
When the door cannot be locked by the lock sensor on the surface of the door handle
■
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 vehicle
once more. ■
Setting the alarm
Locking the doors will set the alarm system. (  P. 88)■
If the smart access system with push-butto n start or the wireless remote control does
not operate properly ●
Use the mechanical key to lock and unlock the doors. (  P. 5 9 2 )●
Replace the key battery with a new one if it is depleted. (  P. 5 3 2 )When the door can not be locked even if the
lock sensor on the surfac e of the door handle is
touched by a finger, touch the lock sensor with
the palm.
When gloves are being worn, remove the
gloves.

134 3-2. Opening, closing and locking the doors
NX300h_U_OM78007U ■
Back door closer (vehicles with a power back door)
In the event that the back door is left slight ly open, the back door closer will automatically
close it to the fully closed position.
Whatever the state of the power swit ch, the back door closer operates.■
Operation of the power back door (vehicles with a power back door) ●
A buzzer sounds and the emergency flashers flash twice to indicate that the back door
is opening/closing. ●
When the power back door operations are OFF, the power back door does not oper-
ate but it can be opened and closed by hand. ●
When the power back door automatically op ens, if an abnormality due to people or
objects is detected, operation will stop. ■
Back door reserve lock function (vehicles with a power back door)
This function is a function which reserves lo cking of all doors, beforehand, when the back
door is open. When the follow is done, all th e doors except the back door are locked and
then back door will also be locked at the same time it is closed.
Close all doors, except the back door.
Push the wireless lock button during the au tomatic closing operation of the back door.■
When reconnecting the 12-volt battery (vehicles with a power back door)
To enable the power back door to operat e properly, close the back door manually.■
Jam protection function (vehicles with a power back door)
■
Returning the back door automatic stop position to the initial settings (vehicles with a
power back door)
■
Customization (vehicles with a power back door)
Settings (e.g. back door automatic op en and stop position) can be changed.
(Customizable features:  P. 6 4 1 )Sensors are installed in th e right and left sides of
the power back door. When the door is auto-
matically closing and the sensors 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.
Press and hold the power back door switch on
the back door for 7 seconds.
After the buzzer sounds 4 times, it sounds
twice more. When the power back door does
the opening operation the next time, the door
will open to the init ial settings position. 1
2

1373-2. Opening, closing and locking the doors
3
Operation of each component
NX300h_U_OM78007U WA R N I N G ■
Back door closer (vehicles with a power back door)
●
Use caution when using the back door closer as it still operates when the power back
door system is canceled. ■
Power back door (if equipped)
Observe the following precautions when operating the power back door.
Failure to do so may cause death or serious injury. ●
Check the safety of the surrounding area to make sure there are no obstacles or any-
thing 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 canceled while the back door is operating during
automatic operation, the back door stops operating. Take extra care when on an
incline, as the back door may open or close suddenly.●
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 manually. Take extra care in this situation, as the back door may move
abruptly. ●
On an incline, the back door may sudden ly shut after it opens automatically. Make
sure the back door is secured. ●
In the following situations, the power back door may detect an abnormality and auto-
matic operation may be stopped. In this case, the back door has to be operated man-
ually. Take extra care in this situation, as the stopped back door may suddenly open or
close, causing an accident.
• When the back door contacts an obstacle
• When the 12-volt battery voltage suddenly drops, such as when the power switch
is turned to ON mode or the engine 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 move
slightly in the closing direction after bein g opened, causing someone’s hands, head or
neck to be caught and injured. When installing an accessory part to the back door,
ask your Lexus dealer for details. ●
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 get fin-
gers caught or anything else in the back door,
as this may cause bone fractures or other
serious injuries.

1413-2. Opening, closing and locking the doors
3
Operation of each component
NX300h_U_OM78007U ■
Alarms and warning messages
A combination of exterior and interior alarms as well as warning messages shown on the
multi-information display are used to prevent theft of the vehicle and accidents resulting
from erroneous operation. Take appropriate measures in response to any warning mes-
sage on the multi-information display. (  P. 5 7 2 )
The following table describes circumstance s and correction procedures when only
alarms are sounded.
■
When “Smart Access System Malfunction See Owner’s Manual” will be displayed on
the multi-inform ation display
The system may be malfunctioning. Have the vehicle inspected by your Lexus dealer
immediately. ■
Battery-saving function
The battery-saving function will be activated in order to prevent the electronic key bat-
tery and the 12-volt battery from being discha rged while the vehicle is not in operation
for a long time. ●
In the following situations, the smart access system with push-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-butto n start has not been used for 5 days or
longer. ●
If the smart access system with push-butto n 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 handle, or us e the wireless remote control or the mechan-
ical key, to unlock the doors. Alarm Situation Correction procedure
Exterior alarm
sounds once for 5
seconds An attempt was made to lock
the vehicle while a door was
open. Close all of the doors and
lock the doors again.
Interior alarm pings
repeatedly 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). Tu r n t h e p o w e r s w i t c h o f f
and close the driver’s door.