340 6-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manu-
al_USA_OM78212U ■
Situations in which the tire pressure
warning system may not operate prop-
erly●
In the following cases, the tire pressure
warning system may not operate prop-
erly.
• If non-genuine Lexus wheels are used.
• A tire has been replaced with a tire that is
not an OE (Original Equipment) tire.
• A tire has been replaced with a tire that is
not of the specified size.
• Tire chains etc. are equipped.
• An auxiliary-supported run-flat tire is
equipped.
• If a window tint that affects the radio wave
signals is installed.
• If there is a lot of snow or ice on the vehi-
cle, particularly around the wheels or
wheel housings.
• If the tire inflation pressure is extremely
higher than the specified level.
• If wheel without the tire pressure warning
valve and transmitter is used.
• If the ID code on the tire pressure warn-
ing valves and transmitters is not regis-
tered in the tire pressure warning
computer.●
Performance may be affected in the fol-
lowing situations.
• Near a TV tower, electric power plant,
gas station, radio stat ion, large display,
airport or other faci lity that generates
strong radio waves or electrical noise
• When carrying a portable radio, cellular
phone, cordless phone or other wireless
communication device
●
When the vehicle is parked, the time
taken for the warning to start or go off
could be extended.
●
When tire inflation pressure declines rap-
idly for example when a tire has burst, the warning may not function.
When replacing tires or wheels, tire WARNING■
Caution regarding interference with
electronic devices ●
People with implantable cardiac pace-
makers, cardiac resynchronization
therapy-pacemakers or implantable
cardioverter defibrillators should not
come within 17.7 in. (450 mm) of the
tire pressure warning system initiators.
The radio waves may affect the opera-
tion of such devices.
●
Users of any electrical medical device
other than implantable cardiac pace-
makers, cardiac resynchronization
therapy-pacemakers or implantable
cardioverter defibrillators should con-
sult the manufacturer of the device for
information about its operation under
the influence of radio waves.
Radio waves could have unexpected
effects on the operation of such medi-
cal devices.
Installing tire pressure warning
valves and transmitters
388 7-2. Steps to take in an emergency
LEXUS NX300h Owners Manu-
al_USA_OM78212U ■
Unlocking the door
1 Insert the mechanical key while
pulling on the driver’s door handle.
2 Unlocking the door.
3 Remove the key, return the handle,
and then pull the handle again. ■
Locking the door
1 Move the inside lock button to the
lock position.
2 Close the door. ■
Key linked functions
The opening and closing of the power win- dows and moon roof can be linked to key
operation by a customized setting.
1 Closes the windows and moon roof
(turn and hold)
2 Opens the windows and moon roof
(turn and hold)
1 Ensure that the shift lever is in P and
depress the brake pedal.
2 Touch the Lexus emblem side of the
electronic key to the power switch. When the electronic key is detected, a
buzzer sounds and the power switch will
turn to ON mode.
When the smart access system with push-
button start is deactivated in customization
setting, the power switch will turn to WARNING■
When using the wire less remote con-
trol or mechanical key and operating
the power windows or moon roof
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 allow children to operate the
mechanical key. It is possible for children
and other passengers to get caught in
the power window or moon roof.
Starting the hybrid system
414 8-1. Specifications
LEXUS NX300h Owners Manu-
al_USA_OM78212U Glossary of tire terminology Tire related
term Meaning
Cold tire
inflation
pressure Tire pressure when the vehi-
cle has been parked for
three hours or more, or has
not been driven more than 1
mile or 1.5 km under that
condition
Maximum
inflation
pressure The maximum cold inflated
pressure to which a tire may
be inflated, shown on the
sidewall of the tire
Recom-
mended
inflation
pressure Cold tire inflation pressure
recommended by a manu-
facturer
Accessory
weight The combined weight (in
excess of those standard
items which may be
replaced) of transmission,
power steering, power
brakes, power windows,
power seats, radio and
heater, to the extent that
these items are available as
factory-installed equipment
(whether installed or not)
Curb weight The weight of a motor vehi-
cle with standard equip-
ment, including the
maximum capacity of fuel,
oil and coolant, and if so
equipped, air conditioning
and additional weight
optional engine Maximum
loaded vehi-
cle weight The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options
weight
Normal
occupant
weight 150 lb. (68 kg) times the
number of occupants speci-
fied in the second column of
Table 1 *
that follows
Occupant
distribution Distribution of occupants in
a vehicle as specified in the
third column of Table 1 *
below
Production
options
weight The combined weight of
installed regular production
options weighing over 5 lb.
(2.3 kg) in excess of the
standard items which they
replace, not previously con-
sidered in curb weight or
accessory weight, including
heavy duty brakes, ride lev-
elers, roof rack, heavy duty
12-volt battery, and special
trim
Rim A metal support for a tire or
a tire and tube assembly
upon which the tire beads
are seated
Rim diame-
ter
(Wheel
diameter) Nominal diameter of the
bead seat
Rim size des-
ignation Rim diameter and widthTire related
term Meaning
424 8-2. Customization
LEXUS NX300h Owners Manu-
al_USA_OM78212U ■
Automatic air conditioning system ( → P.268)
■
Eco mode ( → P.249)
■
Power windows ( → P.144)
■
Moon roof *1
( → P.146)
*1
: If equipped *2
: This function cannot be cust omized unless power window op erations, using the wireless
remote control or mechanical key, is enabled. Function Default setting Customized set-
ting
Switching between outside
air and recirculated air mode
linked to “AUTO” switch
operation On Off O — O —
A/C Auto switch operation On Off O — O —
Function Default setting Customized set-
ting
Heating/coolin g operation
minimized in Eco mode On Off — — O —
Function Default setting Customized set-
ting
Mechanical key linked opera-
tion Off On — — O —
Wireless remote control
linked open operation Off On — — O —
Function Default setting Customized set-
ting
Mechanical key linked opera-
tion *2
Off On — — O —
Wireless remote control
linked open or Tilt up opera-
tions *2
Off On — — O — A B C D
A B C D
A B C D
A B C D
4298-3. Initialization
LEXUS NX300h Owners Manu-
al_USA_OM78212U 8
Vehicle specifications 8-3.Initialization
*
:If equippedItems to initialize The following items must be initialized for normal system operation after such
cases as the 12-volt battery being re connected, or maintenance being per-
formed on the vehicle.
List of the items to initialize Item When to initialize Reference
Message indicating maintenance is
required (U.S.A. only) • After the maintenance is per-
formed P.319
Tire pressure warning system • When rotating the tires on vehi-
cles with differing front and rear
tire inflation pressures
• When changing the tire inflation
pressure by changing traveling
speed or load weight, etc.
•When changing the tire size P.341
Oil maintenance • After the maintenance is per-
formed P.329
Lexus parking assist monitor *
• After reconnecting or changing
the 12-volt battery
• After changing a fuse Refer to the
“NAVIGA-
TION AND
MULTIME-
DIA SYS-
TEM
OWNER’S
MANUAL”.Panoramic view monitor *
Power back door *
P.116
Power window
• When functioning abnormally P.144
Moon roof *
P.147
445What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_OM78212U 445What to do if... (Troubleshooting)
If you cannot release the shift lever
by depressing the brake pedal with
the power switch in ON mode
( → P.174)
It is locked automatically to prevent
theft of the vehicle. ( → P.169)
Is the window lock switch pressed?
The power window except for the
one at the driver’s seat cannot be
operated if the window lock switch
is pressed. ( → P.145)
The auto power off function will be
operated if the vehicle is left in
ACCESSORY or ON mode (the
hybrid system is not operating) for a
period of time. ( → P.170)
The seat belt reminder light is flash-
ing
Are the driver and the front passen-
ger wearing the seat belts?
( → P.369)
The parking brake indicator is on
Is the parking brake released? ( → P.177)
Depending on the situation, other
types of warning buzzer may also
sound. ( → P.365, 374)
Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm
sounds. ( → P.71)
To stop the alarm, turn the power
switch to ON mode or start the hybrid
system.
Is the message displayed on the
multi-information display?
Check the message on the multi-
information display. ( → P.374)
When a warning light turns on or a
warning message is displayed, refer
to P.365, 374.
Stop the vehicle in a safe place and
replace the flat tire with the spare The steering wheel cannot be
turned after the hybrid system is
stopped
The windows do not open or
close by operating the power
window switches
The power switch is turned off
automatically
A warning buzzer sounds during
driving An alarm is activated and the
horn sounds
A warning buzzer sounds when
leaving the vehicle
A warning light turns on or a
warning message is displayed
When a problem has occurred If you have a flat tire
448 Alphabetical Index
LEXUS NX300h Owners Manu-
al_USA_OM78212U Brake
Brake Hold .................................................... 180
Fluid ..................................................................405
Parking brake ................................................ 177
Regenerative braking ................................. 62
Warning light ...............................................366
Brake assist .................................................... 250
Brake Hold ...................................................... 180
Break-in tips...................................................... 151
Brightness control
Instrument panel light control ................ 84
BSM (Blind Spot Monitor)......................... 241
Blind Spot Monitor function................. 243
Rear Cross Traffic Alert function....... 246
BSM (Blind Spot Monitor) main switch241
C
Card key ...........................................................102
Care
Aluminum wheels ........................................314
Exterior ............................................................. 314
Interior ............................................................... 314
Seat belts.......................................................... 317
Cargo capacity...................................155, 400
Cargo hooks ................................................. 284
Cargo net hooks .......................................... 284
Chains .............................................................. 258
Child restraint system....................................47
Booster seats installation .......................... 53
Convertible seats installation.................. 52
Front passenger occupa nt classification
system ............................................................... 41
Infant seats definition................................... 49
Infant seats installation .................................. 51
Installing CRS with LATCH anchors . 55
Installing CRS with seat belts.................... 51
Installing CRS with top tether strap..... 57
LATCH anchors ........................................... 55
Child safety ....................................................... 46
12-volt battery precautions .......334, 393
Airbag precautions.......................................37
Back door precautions.............................. 110 Child restraint system ................................. 47
How your child should wear the seat belt
............................................................................. 28
Installing child restraints............................. 47
Moon roof precautions............................ 148
Power window lock switch .................... 145
Power window precautions .................. 145
Rear door child-protectors ................... 109
Removed key battery precautions... 348
Seat belt extender precautions.............. 28
Seat belt precautions .................................. 46
Seat heater precautions.......................... 275
Child-protectors........................................... 109
Cleaning .................................................. 314, 317
Aluminum wheels ........................................314
Exterior..............................................................314
Interior ...............................................................317
Seat belts ..........................................................317
Clock ................................................................288
Compass ......................................................... 303
Condenser .......................................................331
Console box .................................................. 282
Consumption screen .................................... 94
Coolant
Capacity ........................................................ 403
Checking ...................................................... 330
Preparing and checking before winter
.......................................................................... 257
Warning light .............................................. 366
Cooling system............................................. 330
Hybrid system overheating ..................394
Cruise control
Dynamic radar cruise control with full-
speed range ............................................... 217
Cup holders ................................................... 282
Curtain shield airbags .................................. 32
Customizable features ................................419
D
Daytime running light system .................. 184
Deck board .................................................... 285
Deck under tray ........................................... 285
449What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_OM78212U Alphabetical Index
449Defogger
Outside rear view mirrors .................... 269
Rear window ................................................ 269
Windshield .................................................... 269
Differential ...................................................... 405
Dimension ......................................................400
Dinghy towing................................................. 167
Display
Drive information .......................................... 86
Dynamic radar cruise control with full-
speed range ................................................ 217
Energy monitor.............................................. 94
LDA (Lane Departure Alert with steering
control) ..........................................................210
Multi-information display .......................... 85
Warning messages .................................. 375
Do-it-yourself maintenance .................... 324
Doors
Automatic door lock ing and unlocking
system ........................................................... 109
Back door......................................................... 110
Door glasses .................................................. 144
Door lock........................................................ 106
Outside rear view mirrors ...................... 142
Rear door child-protectors ................... 109
Side doors ...................................................... 106
Drive information ........................................... 86
Drive-start control ............................... 151, 173
Driver’s seat belt remi nder light ............ 369
Driver’s seat position memory .................134
Driving
Break-in tips .................................................... 151
Correct posture ............................................ 25
Driving mode select switch .................. 249
Hybrid vehicle driving tips .................... 255
Procedures .................................................... 150
Winter drive tips......................................... 257
Driving position memory............................134
Memory recall function ............................135
Dynamic radar cruise control with full-
speed range
Function ............................................................ 217 Warning message ..................................... 374 E
E-Four .............................................................. 250
ECB (Electronically Controlled Brake Sys-
tem) ................................................................ 250
Eco mode........................................................ 249
EDR (Event data recorder) ............................7
Electric motor
Location ...............................................................61
Specification .................................................. 401
Electric Power Steering (EPS)
Function ......................................................... 250
Warning light ............................................... 367
Electronic key
Battery-saving function.............................123
If the electronic key does not operate
properly .......................................................387
Replacing the battery ............................... 347
Electronically Controlled Brake System
(ECB) ............................................................ 250
Emergency flashers ....................................358
Emergency, in case of
If a warning buzzer sounds.................. 365
If a warning light turns on...................... 365
If a warning message is displayed ..... 374
If the 12-volt battery is discharged ... 390
If the electronic key does not operate
properly .......................................................387
If the fuel filler do or cannot be opened
..........................................................................387
If the hybrid system will not start ....... 385
If you have a flat tire .................................. 377
If you lose your keys ....................... 103, 105
If you think something is wrong..........363
If your vehicle becomes stuck ............. 397
If your vehicle has to be stopped in an
emergency ................................................ 358
If your vehicle needs to be towed .... 360
If your vehicle overheats ........................394
Energy monitor ............................................... 94
Engine