2019 LEXUS NX300H reset

3436-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manu-
al_USA_M78287_en
6
Maintenance and care
■The tire pressure warning system
must be initialized in the following
circumstances:
 When adjusting the tire inflation
pressure.
 When the tire inflation pressure is
changed such as when changing
traveling speed.
 When rotating the tires.
 When changing the tire.
When the tire pressure warning system
is initialized, the cu rrent tire inflation
pressure is set as the benchmark pres-
sure.
■How to initialize the tire pressure
warning system
1 Park the vehicle in a safe place and
turn the power switch off.
Initialization cannot be performed while
the vehicle is moving.
2 Adjust the tire inflation pressure to
the specified cold tire inflation pres-
sure level.
Make sure to adjust th e tire pressure to the
specified cold tire infl ation pressure level.
The tire pressure warning system will oper-
ate based on this pressure level.
3 Turn the power switch to ON
mode. 4
Press or of the meter con-
trol switches and select .
5 Press or of the meter con-
trol switches, select the “Vehicle
Settings” and then press .
6 Press or of the meter con-
trol switches, select the “TPMS”
and then press and hold the .
The “Tire Pressure Recalibrating. Please
Wait Until Complete” will be displayed on
the multi-information display and the tire
pressure warning light will blink slowly 3
times.
When the message di sappears, initializa-
tion is complete.
■Initializing the tire pressure warning sys-
tem
Initialize the system wi th the tire inflation
pressure adjusted to the specified level.
■The initialization operation
●Make sure to carry out initialization after
adjusting the tire inflation pressure.
Also, make sure the tires are cold before
carrying out initialization or tire inflation
pressure adjustment.
●If you have accidentally turned the power
switch off during initialization, it is not
necessary to press the reset switch again
as initialization will restart automatically
when the power switch has been turned
to ON mode for the next time.
●If you accidentally press the reset switch
when initialization is not necessary, adjust
Initializing the tire pressure
warning system

3787-2. Steps to take in an emergency
LEXUS NX300h Owners Manu-
al_USA_M78287_en
■If “Traction Battery Needs to be Pro-
tected Refrain From the Use of N Posi-
tion” is shown
This message may be displayed when the
shift lever is in N.
As the hybrid battery (traction battery) can-
not be charged when the shift lever is in N,
when the vehicle is to be stopped for a long
period of time, shift the shift lever to P.
■If “Traction battery needs to be pro-
tected. Shift into P to restart.” is shown
Message is displayed when the remaining
charge for the hybrid battery (traction bat-
tery) is low, because vehicle has been
shifted N for a long period of time.
When operating the vehicle, restart the
hybrid system.
■If “Shift to P Before Exiting Vehicle” is
shown
Message is displayed when the driver’s
door is opened with out turning the power
switch to OFF with the shift lever in any
position other than P.
Shift the shift lever to P.
■If “Shift Is in N Release Accelerator
Before Shifting” is shown
Message is displayed when the accelerator
pedal has been depressed and the shift
lever is in N. Release the accelerator pedal
and shift the shift lever to D, S or R.
■If “Depress Brake When Vehicle Is
Stopped Hybrid Syst em May Overheat”
is shown
Message is displayed when the accelerator
pedal is depressed to maintain the vehicle
position when stopped on a upward slope,
etc.
If this continues, th e hybrid system may
overheat.
Release the accelerator pedal and depress
the brake pedal.
■If “Front Camera Unavailable” or “Front
Camera Unavailable Remove Debris
On Windshield” is shown
The following systems may be suspended
until the problem shown in the message is
resolved. ( P.208, 369)
●PCS (Pre-Collision System)
●LDA (Lane Departure Alert with steering
control)
●Dynamic radar cruise control with full-
speed range
●Adaptive High-beam System
●Automatic High Beam
■If “Oil Maintenance Required Soon” is
shown
Indicates that the engine oil is scheduled to
be changed. (The indicator will not work
properly unless the oil maintenance data
has been reset.)
Check the engine oil, and change if neces-
sary. After changing th e engine oil, the oil
change system should be reset. ( P.330)
■If “Oil Maintenance Required” is shown
Indicates that the engine oil should be
changed. (After the engine oil is changed
and the oil maintenance data has been
reset.)
Check and change the en gine oil, and oil fil-
ter by your Lexus dealer. After changing the
engine oil, the oil change system should be
reset. ( P.330)
■If “See Owner’s Manual” is shown
●If the following messages are shown, fol-
lowing the instruct ions, accordingly.
• “Engine Coolant Temp High” ( P.396)
• “Aux Battery Low” ( P.377)
●If the following messages are shown,
there may be a malfunction.
Immediately have the vehicle inspected
by your Lexus dealer.
• “Hybrid System Malfunction”
•“Check Engine”
• “Hybrid Battery System Malfunction”
• “Accelerator System Malfunction”
• “Braking Power Low”
• “Smart Access System Malfunction”
●If “Maintenance required for Traction bat-
tery cooling parts” is shown, the filters
may be clogged, the air intake vents may
be blocked, or there may be a gap in the
duct. Therefore, perform the following
correction procedure.
• If the air intake vents of the hybrid battery (traction battery) are dirty, perform the
procedure on P. 316 to clean them.
• If the warning message is shown when

3857-2. Steps to take in an emergency
LEXUS NX300h Owners Manu-
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When trouble arises
4 Lower the vehicle.
5 Firmly tighten each wheel nut two
or three times in the order shown in
the illustration.
Tightening torque:
76 ft•lbf (103 N•m, 10.5 kgf•m)
6Stow the flat tire, tire jack and all
tools.
■The compact spare tire
●The compact spare tire is identified by the
label “TEMPORARY USE ONLY” on
the tire sidewall.
Use the compact spare tire temporarily,
and only in an emergency.
●Make sure to check the tire inflation pres-
sure of the compact spare tire. ( P.408)
■After completing the tire change
The tire pressure warning system must be
reset. ( P.343)
■When using the compact spare tire
As the compact spare tire is not equipped
with a tire pressure warning valve and trans-
mitter, low inflation pressure of the spare
tire will not be indicated by the tire pressure warning system. Also, if you replace the
compact spare tire afte
r the tire pressure
warning light comes on, the light remains
on.
■When the compact spare tire is
equipped
The vehicle becomes lower when driving
with the compact spare tire compared to
when driving with standard tires.
■If you have a flat front tire on a road cov-
ered with snow or ice
Install the compact spare tire on one of the
rear wheels of the vehicle. Perform the fol-
lowing steps and fit tire chains to the front
tires:
1 Replace a rear tire with the compact
spare tire.
2 Replace the flat front tire with the tire
removed from the rear of the vehicle.
3 Fit tire chains to the front tires.
WARNING
■When using the compact spare tire
●Remember that the sp are tire provided
is specifically designed for use with
your vehicle. Do not use your spare
tire on another vehicle.
●Do not use more than one spare tire
simultaneously.
●Replace the spare tire with a standard
tire as soon as possible.
●Avoid sudden acceleration, abrupt
steering, sudden br aking and shifting
operations that cause sudden engine
braking.

4258-2. Customization
LEXUS NX300h Owners Manu-
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Vehicle specifications
*1: The default setting varies according to countries.
*2: Some status screens cannot be registered (i ndicated on the multi-information display)
*3: 2 of the following items: current fuel consumption, average fuel economy (after reset),
average fuel economy (after refuel), average fuel economy (after start), average vehicle
speed (after reset), average vehicle speed (a fter start), distance (driving range), dis-
tance (after start), elapsed time (after reset), elapsed time (after start), blank
*4: Intersection guidance, Incomi ng calls, Adjust brightness
Language*1EnglishFrenchOO——Spanish
Units*1miles (MPG US)
miles
(MPG Imperial)
OO——km (L/100 km)
km (km/L)
switch settingsDrive information 1Desired status
screen
*2—O——
Drive information 1
Current fuel con- sumption
*3—O——Average fuel con-sumption (after reset)
Drive information 2
Distance (range)
*3—O——Average speed (after reset)
Drive information 3
Average fuel con-sumption (after refuel)
*3—O——
Elapsed time (after start)
Pop-up display*4OnOff—O——
Accent colorColor 1Color 2OO——
Clock24-hour display12-hour display—O——
FunctionDefault settingCustomized set- tingABCD

455What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_M78287_en455Alphabetical Index
R
Radar cruise control (dynamic radar cruise control with full-speed range)............... 217
Radiator ........................................................... 332
Rear Cross Traffic Alert ........................... 245
Rear seat Folding down the rear seatbacks........128
Rear side marker lights Light switch .....................................................182
Replacing light bulbs................................355
Rear turn signal lights Replacing light bulb..................................355
Turn signal lever ........................................... 176
Rear view mirror Inside rear view mirror............................. 138
Outside rear view mirrors ..................... 140
Rear window defogger ..............................267
Rear window wiper.......................................193
Refueling ...........................................................195 Capacity .........................................................403
Fuel types.......................................................403
Opening the fuel tank cap ..................... 195
When the fuel filler door cannot be opened ........................................................389
Regenerative braking ................................... 62
Remote Touch .............................................. 262
Replacing Electronic key battery.............................. 349
Fuses ..................................................................351
Light bulbs.....................................................355
Tires .................................................................. 379
Reporting safety defects for U.S. owners .......................................................................... 432
Resetting the message indicating mainte- nance is required ........................................319
Road accident cautions ............................... 65
S
S-FLOW mode .............................................. 271
Safety Connect............................................. 304
Seat belts............................................................ 26 Adjusting the seat belt shoulder anchor height .................................................................31
Automatic Locking Retractor................. 28
Child restraint system installation ......... 47
Cleaning and maintaining the seat belt ........................................................................... 315
Emergency Locking Retractor .............. 28
How to wear your seat belt ..................... 27
How your child should wear the seat belt ............................................................................. 28
Pregnant women, proper seat belt use ............................................................................. 27
Reminder light and buzzer ......... 371, 372
Seat belt extender......................................... 28
Seat belt instructions for Canadian own- ers ................................................................... 432
Seat belt pretensioners ................................31
SRS warning light...................................... 369
Seat heaters ................................................... 273
Seat position memory..................................132
Seat ventilators ............................................. 275
Seating capacity............................................ 158
Seats Adjustment ............................................126, 127
Adjustment precautions ................ 126, 128
Child seats/child restraint system installa-tion .................................................................... 47
Cleaning .......................................................... 315
Driving position memory .........................132
Folding down the rear seatbacks ....... 128
Front seat heaters ...................................... 274
Head restraint ............................................... 135
Power easy access system .....................132
Properly sitting in the seat ........................ 25
Rear seat heaters ....................................... 274
Seat position memory ...............................132
Seat ventilators ............................................ 275

457What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_M78287_en457Alphabetical Index
Light switches ................................................182
Meter control switches .............................. 84
Moon roof switches ................................... 144
Outside rear view mirror switches .... 140
Paddle shift switches .................................. 175
Parking brake switch ................................. 177
PCS switch ................................................... 204
Power back door opener and closer switch................................................................. 111
Power switch ................................................ 168
Power window switch ............................... 142
Rear window and outside rear view mir- ror defoggers switch ............................ 267
Rear window wiper and washer switch ...........................................................................193
Seat heater switches ................................ 273
“SOS” button ...............................................304
Tire pressure warning reset switch .. 343
Vehicle-to-vehicle di stance switch .... 217
VSC off switch ............................................250
Window lock switch ..................................143
Windshield wipers and washer switch ................................................................188, 193
T
Tachometer........................................................79
Tail lights Light switch .....................................................182
Replacing light bulbs................................355
Theft deterrent system Alarm .................................................................... 71
Immobilizer system...................................... 69
Tire inflation pressure Maintenance data..................................... 408
Warning light ............................................... 372 Tire information .............................................. 412
Glossary .......................................................... 416
Size ......................................................................414
Tire identification number........................413
Uniform Tire Quality Grading ..............414
Tire pressure warning system Function ..........................................................339
Initializing........................................................343
Installing tire pres sure warning valves
and transmitters....................................... 342
Registering ID codes ............................... 344
Warning light ............................................... 372
Tires................................................................... 337 Chains ............................................................. 257
Checking ....................................................... 337
Glossary .......................................................... 416
If you have a flat tire .................................. 379
Inflation pressure ...........................345, 408
Replacing ....................................................... 379
Rotating tires ............................................... 338
Size ................................................................... 408
Snow tires ......................................................256
Spare tire ........................................... 379, 408
Tire identification number........................413
Tire pressure warning system .............339
Uniform Tire Quality Grading ..............414
Warning light ............................................... 372
Tools..................................................................380
Top tether strap............................................... 57
Total load capacity ...................................... 402
Towing Dinghy towing ...............................................167
Emergency towing....................................362
Towing eyelet...............................................364
Trailer Sway Control............................... 250
Trailer towing ...................................... 159, 167