2019 LEXUS NX300H lock

444What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_M78287_en
1-1.What to do if... (Troubleshooting)What to do if... (Troubleshooting)
 If you lose your mechanical keys,
new genuine mechanical keys can
be made by your Lexus dealer.
( P.388)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.388)
 Is the electronic key battery weak or
depleted? ( P.349)
 Is the power switch in ON mode?
When locking the doors, turn the
power switch off. ( P.170)
 Is the electronic key left inside the
vehicle?
When locking the doors, make sure
that you have the electronic key on
your person.
 The function may not operate prop- erly due to the condition of the radio
wave. (
P.121)
 Is the child-protector lock set?
The rear door cannot be opened
from inside the vehicle when the
lock is set. Open the rear door from
outside and then unlock the child-
protector lock. ( P.107)
 Did you press the power switch
while firmly depressing the brake
pedal? ( P.168)
 Is the shift lever in P? ( P.168)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.120)
 Is the steering wheel unlocked?
( P.169)
 Is the electronic key battery weak or
depleted?
In this case, the hybrid system can
be started in a temporary way.
( P.390)
 Is the 12-volt battery discharged?
( P.392)
If you have a problem, check the
following before contacting your
Lexus dealer.
The doors cannot be locked,
unlocked, opened or closed
You lose your keys
The electronic key does not oper-
ate properly
The doors cannot be locked or
unlocked
The rear door cannot be opened
If you think something is wrong
The hybrid system does not start

445What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_M78287_en445What to do if... (Troubleshooting)
 Is the power switch in ON mode?
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.143)
 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 passengers wearing the seat belts? (
P.371)
 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.367, 376)
 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.376)
 When a warning light turns on or a
warning message is displayed, refer
to P.367, 376.
The shift lever cannot be shifted
from P even if you depress the
brake pedal
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

447What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_M78287_en447Alphabetical Index
Alphabetical Index
A
A/C ................................................................... 266 Air conditioning filter ...............................348
Automatic air conditioning system ... 266
Micro dust and pollen filter..................... 271
S-FLOW mode............................................ 271
ABS (Anti-lock Brake System).............. 249 Function .......................................................... 249
Warning light ...............................................369
Active Sound Control (ASC) ................... 181
AFS (Adaptive Front-lighting System) 184
Air conditioning filter ................................. 348
Air conditioning system ............................ 266 Air conditioning filter ...............................348
Automatic air conditioning system ... 266
Micro dust and pollen filter..................... 271
S-FLOW mode............................................ 271
Airbags ............................................................... 32 Airbag operating conditions................... 34
Airbag precautions for your child .........37
Airbag warning light ................................369
Correct driving posture ............................ 25
Curtain shield airbag operating condi-tions .................................................................. 34
Curtain shield airbag precautions ........37
Front passenger occupant classification system ............................................................... 41
General airbag precautions ....................37
Locations of airbags.....................................32
Modification and disposal of airbags . 40
Seat cushion airbag ......................................32
Side airbag operating conditions ......... 34
Side airbag precautions .............................37
Side and curtain shield airbags operating conditions...................................................... 34
Side and curtain shield airbags precau- tions ...................................................................37
SRS airbag instruct ions for Canadian
owners ......................................................... 434
SRS airbags ......................................................32
SRS warning light ......................................369 Alarm ..................................................................... 71
Alarm..................................................................... 71
Anchor brackets ..................................... 55, 57
Antenna (Smart access system with push- button start) ..................................................120
Anti-lock brake system (ABS) ............... 249 Function .......................................................... 249
Warning light .............................................. 369
Approach warning...................................... 222
Armrest............................................................ 295
ASC (Active Sound Control) ................... 181
Assist grips ..................................................... 295
Automatic air conditioning system Air conditioning filter............................... 348
Automatic air conditioning system ...266
Micro dust and pollen filter ..................... 271
S-FLOW mode ............................................ 271
Automatic headlight leveling system ... 183
Automatic High Beam ............................... 185
Automatic light control system............... 183
B
Back door ........................................................ 108 Wireless remote control ............................. 111
Back-up lights Replacing light bulb ................................. 355
Battery (12-volt battery) If the 12-volt battery is discharged ....392
Preparing and checking before winter..........................................................................256
Replacing .......................................................394
Warning light ............................................... 367
Battery (traction batter y) ............................ 64
Blind Spot Monitor (BSM)......................... 241 Blind Spot Monitor function ................. 243
Rear Cross Traffic Alert function .......245
Bottle holders ................................................280

448Alphabetical Index
LEXUS NX300h Owners Manu-
al_USA_M78287_en
Brake Brake Hold ..................................................... 179
Fluid .................................................................. 407
Parking brake ................................................ 177
Regenerative braking ................................. 62
Warning light ...............................................368
Brake assist .................................................... 249
Brake Hold ....................................................... 179
Break-in tips...................................................... 151
Brightness control Instrument panel light control ................ 83
BSM (Blind Spot Monitor)......................... 241 Blind Spot Monitor function................. 243
Rear Cross Traffic Alert function....... 245
BSM (Blind Spot Monitor) main switch241
C
Card key .......................................................... 100
Care Aluminum wheels ........................................ 312
Exterior .............................................................315
Interior ...............................................................315
Seat belts..........................................................315
Cargo capacity.........................155, 158, 402
Cargo hooks ................................................. 282
Cargo net hooks .......................................... 282
Chains .............................................................. 257
Child restraint system....................................47 Booster seats installation .......................... 53
Convertible seats installation.................. 52
Front passenger occupant classification system ............................................................... 41
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 ...... 335, 395
Airbag precautions ...................................... 37
Back door precautions ............................ 108
Child restraint system ................................. 47
How your child should wear the seat belt............................................................................. 28
Installing child restraints............................. 47
Moon roof precautions............................ 146
Power window lock switch .....................143
Power window precautions ...................143
Rear door child-protectors ................... 107
Removed key battery precautions... 350
Seat belt extender precautions.............. 28
Seat belt precautions .................................. 46
Seat heater precautions.......................... 273
Child-protectors............................................107
Cleaning ..................................................312, 315 Aluminum wheels ........................................312
Exterior..............................................................312
Interior .............................................................. 315
Seat belts ......................................................... 315
Clock ................................................................ 286
Compass .......................................................... 301
Condenser ..................................................... 332
Console box ..................................................280
Consumption screen .................................... 93
Coolant Capacity ........................................................ 405
Checking ........................................................ 331
Preparing and checking before winter..........................................................................256
Warning light .............................................. 368
Cooling system...............................................331 Hybrid system overheating ................. 396
Cornering lights ............................................ 184
Cruise control Dynamic radar cruise control with full-
speed range ................................................ 217
Cup holders ...................................................280
Curtain shield airbags .................................. 32
Customizable features ................................ 421

449What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_M78287_en449Alphabetical Index
D
Daytime running light system .................. 183
Deck board .................................................... 283
Deck under tray ........................................... 283
Defogger Outside rear view mirrors .................... 267
Rear window ................................................ 267
Windshield .................................................... 267
Differential ...................................................... 407
Dimension ...................................................... 402
Dinghy towing................................................. 167
Display BSM (Blind Spot Monitor) ..................... 241
Drive information ..........................................85
Dynamic radar cruise control with full-speed range ................................................ 217
Energy monitor.............................................. 93
Head-up display ........................................... 89
Intuitive parking assist...............................227
LDA (Lane Departure Alert with steering control) ........................................................209
Multi-information display .......................... 84
Warning messages .................................. 376
Do-it-yourself maintenance .................... 324
Door lock Back door....................................................... 109
Side doors ...................................................... 104
Smart access system with push-button start ..................................................................120
Wireless remote control........................... 101
Doors Automatic door lock ing and unlocking
system ............................................................107
Back door....................................................... 108
Door glasses .................................................. 142
Door lock........................................................ 104
Outside rear view mirrors ..................... 140
Rear door child-protectors ....................107
Side doors ...................................................... 104
Drive information ........................................... 85
Drive-start control ............................... 151, 173 Driver’s seat belt reminder light .............. 371
Driver’s seat position memory .................132
Driving
Break-in tips .................................................... 151
Correct posture............................................. 25
Driving mode select switch ..................248
Hybrid vehicle driving tips ....................254
Procedures .................................................... 150
Winter drive tips .........................................256
Driving position memory............................132 Memory recall function............................ 133
Dynamic radar cruise control with full- speed rangeFunction ............................................................ 217
Warning message ..................................... 224
E
E-Four .............................................................. 250
ECB (Electronically Controlled Brake Sys-
tem) ................................................................ 249
Eco mode........................................................ 248
EDR (Event data recorder) ............................7
Electric motor Location ...............................................................61
Specification ................................................ 403
Electric Power Steering (EPS) Function .......................................................... 249
Warning light .............................................. 369
Electronic key Battery-saving function.............................. 121
If the electronic key does not operate properly ...................................................... 389
Replacing the battery ...............................349
Electronically Controlled Brake System (ECB) ............................................................ 249
Emergency flashers .................................... 360

452Alphabetical Index
LEXUS NX300h Owners Manu-
al_USA_M78287_en
Hybrid System Indicator.............................. 82
Hybrid transmission...................................... 173
I
I/M test ............................................................ 322
Identification Engine .............................................................403
Vehicle ............................................................ 402
Ignition switch (Power switch) ................ 168
Illuminated entry system ............................276
Immobilizer system ........................................ 69
Indicators ............................................................76
Initialization Items to initialize .........................................430
Inside rear view mirror ............................... 138
Instrument panel light control ................... 83
Interior lights...................................................276
Intuitive parking assist Function ...........................................................227
Warning message..................................... 228
J
JackPositioning a floor jack............................ 326
Vehicle-equipped jack .......................... 380
Jack handle ....................................................380
Jam protection function Moon roof .......................................................145
Power back door closer ............................114
Power windows............................................ 142
Rear seats ......................................................... 131
K
Keyless entrySmart access system with push-button start ................................................................. 120
Wireless remote control ........................... 101
Keys.................................................................... 100 Battery-saving function.............................. 121
Electronic key ...............................................100
Engine switch ................................................ 168
If the electronic key does not operate properly ...................................................... 389
If you lose your keys ................................ 388
Key number plate .......................................100
Keyless entry .......................................104, 120
Mechanical key ............................................ 100
Power switch................................................. 168
Replacing the battery ...............................349
Warning buzzer .......................................... 120
Wireless remote control key .................. 101
Knee airbags .................................................... 32
L
Lane Departure Alert with steering control (LDA) ............................................................ 209
Language (multi-information display) 424
LATCH anchors ............................................. 55
LDA (Lane Departure Alert with steering control) ......................................................... 209
Lever Auxiliary catch lever .................................326
Hood lock release lever .........................326
Shift lever ..........................................................173
Turn signal lever ...........................................176
Wiper lever .................................................... 188
Lexus Enform Remote............................... 309
Lexus Enform Safety Connect............... 304
Lexus Enform Service Connect ............. 310

453What to do if... (Troubleshooting)
LEXUS NX300h Owners Manu-
al_USA_M78287_en453Alphabetical Index
Lexus Safety System+.................................. 197 Automatic High Beam ............................. 185
Dynamic radar cruise control with full-speed range ................................................ 217
LDA (Lane Departure Alert with steering control) ........................................................209
PCS (Pre-Collision System)................ 202
License plate lights Light switch .....................................................182
Replacing light bulbs................................355
Light Automatic High Beam system............. 185
Cornering lights .......................................... 184
Fog light switch ............................................ 188
Headlight switch ..........................................182
Illuminated entry system......................... 276
Interior light list ............................................ 276
Interior lights..................................................277
Luggage compartment light ................... 110
Personal lights ..............................................277
Replacing light bulbs................................355
Turn signal lever ........................................... 176
Vanity lights ..................................................286
Wattage..........................................................409
Welcome light illumination control ... 105
Light bulbs Replacing .......................................... 355, 356
Wattage..........................................................409
Luggage cover ............................................. 284
M
Maintenance Do-it-yourself maintenance ................. 324
General maintenance ...............................319
Maintenance data...................................... 402
Maintenance requirements ....................319
Malfunction indicator lamp ..................... 368 Meter
Head-up display............................................89
Indicators........................................................... 74
Instrument panel light control.................83
Meters................................................................. 79
Multi-information display ..........................84
Warning lights ............................................. 367
Warning messages................................... 376
Micro dust and pollen filter ....................... 271
Microphone ................................................... 304
Mirrors Inside rear view mirror ............................. 138
Outside rear view mirror defoggers 267
Outside rear view mirrors...................... 140
Vanity mirrors ............................................. 286
Moon roof Jam protection function ........................... 145
Operation ........................................................144
Warning message .......................... 146, 376
Multi-information display Clock................................................................... 79
Drive information ..........................................85
Dynamic radar cruise control with full-
speed range ................................................ 217
Energy monitor .............................................. 93
Language ....................................................... 424
LDA (Lane Departure Alert with steering control) ....................................................... 209
Warning messages................................... 376
N
Noise from under vehicle ...............................6

454Alphabetical Index
LEXUS NX300h Owners Manu-
al_USA_M78287_en
O
Odometer ..........................................................79
Oil Engine oil .......................................................404
Rear differential oil .................................... 407
Opener Back door........................................................... 111
Fuel filler door............................................... 195
Hood................................................................ 326
Outside rear view mirrors ........................ 140 Adjusting and folding ............................... 140
Blind Spot Monitor (BSM) ..................... 241
Linked mirror functi on when reversing
.......................................................................... 140
Mirror position memory........................... 132
Outside rear view mirror defoggers 267
Outside temperature display .....................79
Overheating .................................................. 396
P
Paddle shift switches .................................... 175
Panic mode ......................................................102
Parking brake Operation........................................................ 177
Parking brake engaged warning buzzer/message ........................................................178
Warning light ................................................. 371
Parking lights Light switch .....................................................182
Replacing light bulb..................................355
Parking Support Brake function (for static objects) ......................................................... 232Indicator ....................................................75, 76
Warning light ............................................... 370
Warning messages .................................. 238 PCS (Pre-Collision System)
Function ..........................................................202
PCS switch....................................................204
Warning light .............................................. 369
Warning message ..................................... 376
Personal lights................................................276 Switch............................................................... 277
PKSA (Parking Support Alert) .............. 226
Power back door opener and closer .......111
Power control unit coolant Capacity ........................................................ 405
Checking ........................................................ 331
Preparing and checking before winter..........................................................................256
Radiator .......................................................... 332
Power easy access system ........................132
Power outlets ................................................ 287
Power steering (Electric Power Steering system) .......................................................... 249Warning light .............................................. 369
Power switch .................................................. 168
Power windows Door lock linked window operation ..143
Jam protection function ............................142
Operation ........................................................142
Window lock switch...................................143
Pre-Collision System (PCS) Function ..........................................................202
PCS switch....................................................204
Warning light .............................................. 369
Warning message ..................................... 376