Page 2 of 681

TABLE OF CONTENTS
2
NX300h_U_OM78007U For your information ................................... 8
Reading this manual................................... 14
How to search ..............................................15
Pictorial index ............................................... 16
1-1. For safe use
Before driving................................. 28
For safety drive............................... 30
Seat belts .......................................... 32
SRS airbags ..................................... 40
Front passenger occupant
classification system.................. 53
Safety information for
children .......................................... 59
Child restraint systems ............... 60
Exhaust gas precautions ............. 76
1-2. Hybrid system
Hybrid system features................ 77
Hybrid system precautions.........81
1-3. Theft deterrent system
Immobilizer system ...................... 86
Alarm .................................................88
Theft prevention labels
(for U.S.A.) .................................... 90 2. Instrument cluster
Warning lights and
indicators....................................... 92
Gauges and meters ......................97
Multi-information display ........ 102
Head-up display .......................... 106
Energy monitor/
consumption screen ...................111
3-1. Key information
Keys .................................................... 118
3-2. Opening, closing and locking
the doors
Side doors ....................................... 124
Back door ....................................... 129
Smart access system with
push-button start ..................... 140
3-3. Adjusting the seats
Front seats.......................................146
Rear seats........................................ 147
Driving position memory..........154
Head restraints ............................ 1581
For safety and security 2
Instrument cluster
3
Operation of each
component
Page 27 of 681
27
For safety and security
1
NX300h_U_OM78007U 1-1. For safe use
Before driving................................. 28
For safety drive............................... 30
Seat belts .......................................... 32
SRS airbags ..................................... 40
Front passenger occupant
classification system.................. 53
Safety information for
children .......................................... 59
Child restraint systems ............... 60
Exhaust gas precautions ............. 76
1-2. Hybrid system
Hybrid system features................77
Hybrid system precautions ........ 81
1-3. Theft deterrent system
Immobilizer system ...................... 86
Alarm .................................................88
Theft prevention labels
(for U.S.A.) .................................... 90
Page 88 of 681
88 1-3. Theft deterrent system
NX300h_U_OM78007UAlarm The alarm uses light and sound to give an alert when an intrusion is detected.
The alarm is triggered in the following 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 mech anical key. (The doors will lock again
automatically.) ●
The hood is opened.
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.
Do one of the following to de activate or stop the alarms:●
Unlock the doors. ●
Turn the power switch to ACCESSORY or ON mode, or start the hybrid sys-
tem. (The alarm will be deactivated or stopped after a few seconds.)The alarm
Setting the alarm system
Deactivating or stopping the alarm
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891-3. Theft deterrent system
1
For safety and security
NX300h_U_OM78007U ■
System maintenance
The vehicle has a maintenance-free type alarm system. ■
Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the follow-
ing: ●
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. ■
Triggering of the alarm
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
■
Alarm-operated door lock
The door automatically locks when the following occurs: ●
When a person remaining in the vehicle unlocks the door and the alarm is activated. ●
While the alarm is activated, a person re maining in the vehicle unlocks the door.●
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. 5 9 7 )
NOTICE ■
To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper operation of
the system cannot be guaranteed.
Page 118 of 681
118 3-1. Key information
NX300h_U_OM78007UKeys The following keys are provided with the vehicle.
Electronic keys
• Operating the smart access sys-
tem with push-button start
( P. 1 4 0 )
• 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. 1 4 0 )
Locks all the doors ( P. 1 2 4 )
Unlocks all the doors ( P. 1 2 4 )
Opens the windows and moon
roof
* 1, 2
( P. 1 2 4 )
Opens and closes the power back
door
* 1
( P. 1 2 9 )
Sounds the alarm ( P. 1 1 9 )
* 1
: If equipped
* 2
: This setting must be customized at your Lexus dealer.The keys 1
2
3
4
Wireless remote control 1
2
3
4
5
Page 119 of 681
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.
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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.
Page 125 of 681

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.