2018 LEXUS NX300h immobilizer

2
LEXUS NX300h Owners Manu-
al_USA_OM78212U TABLE OF CONTENTS
For your information ...................................... 6
Reading this manual .................................... 10
How to search ................................................. 11
Pictorial index ................................................. 12
1-1. For safe use
Before driving .................................... 24
For safe driving.................................. 25
Seat belts ............................................. 26
SRS airbags ........................................ 32
Front passenger occupant classifi-
cation system ................................. 40
Safety information for children .. 46
Child restraint systems .................. 47
Exhaust gas precautions .............. 60
1-2. Hybrid system
Hybrid system features ................... 61
Hybrid system precautions ......... 64
1-3. Theft deterrent system
Immobilizer sy stem ........................ 69
Alarm...................................................... 71
2-1. 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 3-1. Key information
Keys .................................................... 102
3-2. Opening, closing and locking the
doors
Side doors ........................................ 106
Back door.......................................... 110
Smart access system with push-but-
ton start ........................................... 122
3-3. Adjusting the seats
Front seats........................................ 128
Rear seats.......................................... 129
Driving position memory ............ 134
Head restraints ............................... 137
3-4. Adjusting the steering wheel and
mirrors
Steering wheel ............................... 139
Inside rear view mirror ............... 140
Outside rear view mirrors.......... 142
3-5. Opening, closing the windows and
moon roof
Power windows .............................. 144
Moon roof ........................................ 1461
For safety and security
2
Vehicle status information and
indicators 3
Before driving

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LEXUS NX300h Owners Manu-
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For safety and security For safety and security 1-1. For safe use
Before driving ................................. 24
For safe driving.............................. 25
Seat belts ......................................... 26
SRS airbags .................................... 32
Front passenger occupant classifi-
cation system ................................ 41
Safety information for children 46
Child restraint systems .............. 47
Exhaust gas precautions ........... 60
1-2. Hybrid system
Hybrid system features ............... 61
Hybrid system precautions ...... 64
1-3. Theft deterrent system
Immobilizer sy stem ..................... 69
Alarm................................................... 71

691-3. Theft deterrent system
LEXUS NX300h Owners Manu-
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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

70 1-3. Theft deterrent system
LEXUS NX300h Owners Manu-
al_USA_OM78212U 
For vehicles sold in Canada
WARNING■
Certifications for the immobilizer
system
Changes or modifications not expressly
approved by the party responsible for
compliance could void the user’s author-
ity to operate the equipment.
NOTICE■
To ensure the system operates cor-
rectly
Do not modify or remove the system. If
modified or removed, the proper opera-
tion of the system cannot be guaranteed.

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.

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

3857-2. Steps to take in an emergency
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When trouble arises
One of the following may be the cause
of the problem:
 The electronic key may not be func-
tioning properly. ( → P.387)
 There may not be sufficient fuel in
the vehicle’s tank.
Refuel the vehicle. ( → P.64)
 There may be a malfunction in the
immobilizer system. ( → P.69)
 There may be a malfunction in the
steering lock system.
 The hybrid system may be malfunc-
tioning due to an electrical problem
such as electronic key battery
depletion or a blown fuse. However,
depending on the type of malfunc-
tion, an interim measure is available
to start the hybrid system.
( → P.385) One of the following may be the cause
of the problem:
 The 12-volt battery may be dis-
charged. ( → P.390)
 The 12-volt battery terminal con-
nections may be lo ose or corroded.
( → P.333)
One of the following may be the cause
of the problem:
 The 12-volt battery may be dis-
charged. ( → P.390)
 One or both of the 12-volt battery
terminals may be disconnected.
( → P.333) Contact your Lexus dealer if the problem
cannot be repaired, or if repair procedures
are unknown.
When the hybrid syst em does not start,
the following steps can be used as an
interim measure to start the hybrid sys-
tem if the power switch is functioning
normally.
Do not use this starting procedure
except in cases of emergency.If the hybrid system will not
start Reasons for the hybrid system not
starting vary depending on the situ-
ation.
Check the following and perform
the appropriate procedure:
The hybrid system will not start
even though the correct starting
procedure is being followed.
( → P.168) The interior lights and head-
lights are dim, or the horn does
not sound or sounds at a low vol-
ume.
The interior lights and head-
lights do not turn on, or the horn
does not sound.
Starting the hybrid system in an
emergency

451What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_OM78212U Alphabetical Index
451Refueling ..........................................................196
When the fuel filler door cannot be
opened ........................................................ 387
Fuses ................................................................. 349 G
Garage door opener ................................. 298
Gas station information ............................ 460
Gauges ................................................................79
Glove box ....................................................... 282
Glove box light ............................................. 282
Grocery bag hooks .................................... 285 H
Head restraints ............................................... 137
Head-up display.............................................. 90
Headlights ....................................................... 183
Automatic headlight leveling ................ 184
Automatic High Beam ............................. 186
Light switch .................................................... 183
Replacing light bulbs................................ 353
Heated steering wheel ...............................276
Heaters
Automatic air conditioning system ...268
Heated steering wheel............................ 275
Outside rear view mirrors .................... 269
Seat heaters .................................................. 275
High mounted stoplight
Replacing light bulb..................................353
Hill-start assist control ............................... 250
Hood ................................................................. 325
Warning message........................... 107, 374
Hooks
Cargo hooks................................................ 284
Retaining hooks (floor mat)......................24
Horn ................................................................... 140
Hybrid battery (traction battery)
Location............................................................. 64
Specification ................................................. 402
Hybrid battery air vent ................................. 66
Hybrid system .................................................... 61 Emergency shut off system...................... 67
Energy monitor/consumption screen 94
EV drive mode............................................... 171
High voltage components ....................... 64
Hybrid System Indicator ........................... 82
Hybrid system precautions...................... 64
Hybrid vehicle driving tips ....................255
If the hybrid system will not start ....... 385
Overheating .................................................394
Power switch................................................. 168
Regenerative braking ................................. 62
Starting the hybrid system ...................... 168
Vehicle proximity noti fication system. 63
Hybrid System Indicator.............................. 82
Hybrid transmission...................................... 173
I
I/M test ............................................................ 322
Identification
Engine............................................................... 401
Vehicle ........................................................... 400
Ignition switch (Power switch) ................ 168
Illuminated entry system ........................... 278
Immobilizer system........................................ 69
Indicators ............................................................74
Initialization
Engine oil maintenance data................329
Items to initialize ......................................... 429
Tire pressure warning system ...............341
Inside rear view mirror ............................... 140
Instrument panel light control ................... 84
Interior lights.................................................. 278
Intuitive parking assist
Function .......................................................... 227
Warning message ..................................... 229