2020 LEXUS NX300 start

452What to do if... (Troubleshooting)
LEXUS NX300 Owners Manual_USA_M78389_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.396)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.396)
 Is the electronic key battery weak or
depleted? ( P.356)
 Is the engine switch in IGNITION
ON mode?
When locking the doors, turn the engine
switch off. ( P.166)
 Is the electronic key left inside the
vehicle?
When locking the doors, make sure that
you have the electronic key on your per-
son.
The function may not operate prop-
erly due to the condition of the radio
wave. ( P.118)
 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.103)
 Did you press the engine switch
while firmly depressing the brake
pedal? ( P.165)
 Is the shift lever in P? ( P.165)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.116)
 Is the steering wheel unlocked?
( P.165)
 Is the electronic key battery weak or
depleted?
In this case, the engine can be
started in a temporary way.
( P.398)
 Is the battery discharged?
( P.400)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 engine does not start

LEXUS NX300 Owners Manual_USA_M78389_en
453What to do if... (Troubleshooting)
Is the engine switch in IGNITION
ON mode?
If you cannot release the shift lever
by depressing the brake pedal with
the engine switch in IGNITION ON
mode ( P.169)
 It is locked automatically to prevent
theft of the vehicle. ( P.165)
 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.139)
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY or IGNITION ON
mode (the engine is not operating)
for a period of time. ( P.167)
 The seat belt reminder light is flash-
ing Are the driver and the passengers
wearing the seat belts? (
P.379,
380)
 The parking brake indicator is on
Is the parking brake released?
( P.172)
Depending on the situation, other
types of warning buzzer may also
sound. ( P.375, 384)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm
sounds. ( P.70)
To stop the alarm, turn the engine switch to
IGNITION ON mode or start the engine.
 Is the message displayed on the
multi-information display?
Check the message on the multi-
information display. ( P.384)
 When a warning light turns on or a
warning message is displayed, refer
to P.375, 384.
The shift lever cannot be shifted
from P even if you depress the
brake pedal
The steering wheel cannot be
turned after the engine is stopped
The windows do not open or
close by operating the power
window switches
The engine 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

LEXUS NX300 Owners Manual_USA_M78389_en
455Alphabetical Index
Alphabetical Index
A
A/C ................................................................... 279
Air conditioning filter ...............................355
Automatic air conditioning system ... 279
Micro dust and pollen filter................... 284
ABS (Anti-lock Brake System).............. 260 Function ..........................................................260
S-FLOW mode.......................................... 284
Warning light ................................................377
Active Sound Control (ASC) .................. 177
Adaptive Variable Suspension system (AVS) .............................................................. 261
AFS (Adaptive Front-lighting System) 180
Air conditioning filter ................................. 355
Air conditioning system ............................ 279 Air conditioning filter ...............................355
Automatic air conditioning system ... 279
Micro dust and pollen filter................... 284
S-FLOW mode.......................................... 284
Airbags ............................................................... 32 Airbag operating conditions................... 34
Airbag precautions for your child .........37
Airbag warning light ................................ 376
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 ......................................................... 442
SRS airbags...................................................... 32
SRS warning light....................................... 376
Alarm ................................................................... 70 Alarm................................................................... 70
Warning buzzer .........................................375
Anchor brackets ..................................... 57, 58
Antenna (Smart access system with push- button start) ................................................... 116
Anti-lock brake system (ABS) ............... 260 Function ......................................................... 260
Warning light ............................................... 377
Approach warning........................................231
Armrest............................................................308
ASC (Active Sound Control) .................. 177
Assist grips .....................................................308
Automatic air conditioning system ...... 279 Air conditioning filter............................... 355
Automatic air conditioning system ... 279
Micro dust and pollen filter ...................284
S-FLOW mode ..........................................284
Automatic headlight leveling system .... 179
Automatic High Beam ................................. 181
Automatic light control system................ 179
Auxiliary box.................................................. 294
B
Back door ........................................................ 104 Wireless remote control ......................... 105
Back-up lights Replacing light bulbs ................................362

LEXUS NX300 Owners Manual_USA_M78389_en
Alphabetical Index457
Consumption screen .................................... 92
Coolant
Capacity .............................................................411
Checking .......................................................338
Preparing and checking before winter......................................................................... 266
Warning light ............................................... 376
Cooling system............................................. 338 Engine overheating ..................................403
Cornering lights ............................................ 180
Coussins gonflables Modification et élimin ation en fin de vie
des coussins gonflables ......................448
Précautions avec les coussins gonflables latéraux ........................................................ 444
Précautions avec les coussins gonflables latéraux et rideau.................................... 444
Précautions avec les coussins gonflables pour votre enfant.................................... 444
Précautions avec les coussins gonflables rideau ........................................................... 444
Précautions générales avec les coussins gonflables ................................................... 444
Cruise control Dynamic radar cruise control with full-speed range .............................................. 225
Cup holders ................................................... 293
Curtain shield airbags .................................. 32
Customizable features ...............................427
D
Daytime running light system ................... 179
Deck board .................................................... 296
Deck under tray ........................................... 296 Defogger
Outside rear view mirrors.................... 280
Rear window ............................................... 280
Windshield ................................................... 280
Differential ........................................................ 412
Dimension ......................................................408
Dinghy towing.................................................164
Display BSM (Blind Spot Monitor)................... 250
Drive information ..........................................83
Dynamic radar cruise control with full-
speed range .............................................. 225
Head-up display........................................... 88
Intuitive parking assist ..............................236
LDA (Lane Departure Alert with steering control) ......................................................... 215
LTA (Lane Tracing Assist) ................... 206
Multi-information display .......................... 82
Warning messages.................................. 384
Do-it-yourself maintenance ......................331
Door lock Back door ....................................................... 105
Side doors ...................................................... 100
Smart access system with push-button start ................................................................... 116
Wireless remote control ........................... 97
Doors Automatic door lock ing and unlocking
system............................................................ 103
Back door ....................................................... 104
Door glasses ................................................. 138
Door lock ........................................................100
Outside rear view mirrors...................... 136
Rear door child-protectors ................... 103
Side doors ...................................................... 100

458Alphabetical Index
LEXUS NX300 Owners Manual_USA_M78389_en
Drive information ........................................... 83
Drive-start control ..............................147, 168
Driver’s seat belt reminder light ............ 379
Driver’s seat position memory .................128
Driving Break-in tips ................................................... 147
Correct posture ............................................ 25
Driving mode select switch ..................258
Procedures .....................................................146
Winter drive tips......................................... 266
Driving position memory............................128 Memory recall function ............................ 129
Dynamic radar cruise control with full- speed rangeFunction .......................................................... 225
Warning message.....................................384
E
Eco Driving Indicator.................................... 78
Eco mode........................................................ 258
EDR (Event data recorder) ............................7
Electric Power Steering (EPS) Function ..........................................................260
Warning light ................................................377
Electronic key Battery-saving function ..............................117
If the electronic key does not operate properly....................................................... 397
Replacing the battery...............................356
Emergency flashers .................................... 366
Emergency, in case of If a warning buzzer sounds .................. 375
If a warning light turns on ...................... 375
If a warning message is displayed.....384
If the battery is discharged ................... 400
If the electronic key does not operate properly....................................................... 397 If the engine will not start....................... 395
If the fuel filler do
or cannot be opened
.......................................................................... 397
If the vehicle is trapped in rising water .......................................................................... 367
If you have a flat tire ..................................387
If you lose your keys ................................ 396
If you think something is wrong.......... 373
If your vehicle becomes stuck ............ 406
If your vehicle has to be stopped in an emergency ................................................ 366
If your vehicle needs to be towed .... 369
If your vehicle overheats ....................... 403
Engine Accessory mode......................................... 166
Compartment..............................................335
Engine switch ................................................ 165
Hood ................................................................333
How to start the engine ........................... 165
Identification number .............................. 409
If your vehicle has to be stopped in an emergency ................................................ 366
Ignition switch (Engine switch) ............ 165
Overheating ................................................ 403
Engine compartment cover .................... 336
Engine coolant Capacity ............................................................ 411
Checking ...................................................... 338
Preparing and checking before winter..........................................................................266
Warning light ............................................... 376
Engine coolant temperature gauge ........79
Engine immobilizer system ........................ 68
Engine oil Capacity .......................................................... 410
Checking .......................................................336
Warning light ...............................................375

460Alphabetical Index
LEXUS NX300 Owners Manual_USA_M78389_en
Heated steering wheel .............................. 287
Heaters
Automatic air conditioning system ... 279
Heated steering wheel............................ 287
Outside rear view mirrors ......................136
Seat heaters .................................................. 287
High mounted stoplight Replacing light bulb.................................. 362
Hill-start assist control ............................... 260
Hood ................................................................. 333 Open ............................................................... 333
Hooks Cargo hooks................................................ 295
Retaining hooks (floor mat)......................24
Horn ....................................................................134
I
I/M test ............................................................ 330
Identification Engine .............................................................409
Vehicle ........................................................... 408
Ignition switch (Engine switch) ................165
Illuminated entry system ........................... 289
Immobilizer system ........................................ 68
Indicators ............................................................74
Initialization Items to initialize .........................................438
Inside rear view mirror ................................134
Instrument panel light control .....................81
Interior lights.................................................. 289
Intuitive parking assist Function .......................................................... 236
Warning message..................................... 238
J
JackPositioning a floor jack............................ 333
Vehicle-equipped jack .......................... 388 Jack handle ....................................................388
Jam protection function
Moon roof ........................................................ 141
Power back door closer ............................. 111
Power windows ........................................... 138
Rear seats ........................................................ 127
K
Keyless entrySmart access system with push-button start ................................................................... 116
Wireless remote control ........................... 97
Keys...................................................................... 96 Battery-saving function.............................. 117
Electronic key .................................................96
Engine switch ................................................ 165
If the electronic key does not operate properly ....................................................... 397
If you lose your keys ................................ 396
Key number plate .........................................96
Keyless entry ........................................ 100, 116
Mechanical key .............................................. 96
Replacing the battery .............................. 356
Warning buzzer ............................................ 117
Wireless remote control key .................. 97
Knee airbags .................................................... 32
L
Lane Departure Alert with steering control (LDA) ..............................................................215
Lane Tracing Assist (LTA) ....................... 206
Language (multi-information display) 430
LATCH anchors ............................................. 57
LDA (Lane Departure Alert with steering control) ...........................................................215

464Alphabetical Index
LEXUS NX300 Owners Manual_USA_M78389_en
Sensor
Automatic High Beam system............... 181
BSM (Blind Spot Monitor) ................... 252
Inside rear view mirror..............................135
Intuitive parking assist.............................. 236
Kick sensor..................................................... 108
Radar sensor..................................................193
Rain-sensing windshield wipers.......... 188
Service reminder message ..................... 326
Shift lever ......................................................... 168
Shift lock system.............................................169
Side airbags ...................................................... 32
Side doors........................................................ 100
Side marker lights Light switch .....................................................178
Replacing light bulbs................................ 362
Side mirrors .....................................................136 Adjusting and folding ................................136
BSM (Blind Spot Monitor) ...................250
Side turn signal lights Replacing light bulbs................................ 362
Turn signal lever ........................................... 172
Smart access system with push-button start.................................................................... 116Antenna location........................................... 116
Entry functions................................... 100, 105
Starting the engine ..................................... 165
Warning message.....................................384
Snow tires ....................................................... 266
Spare tire Inflation pressure..........................................413
Storage location ........................................ 388
Spark plug ......................................................... 411
Specifications ................................................408
Speedometer ....................................................79 Sport mode .................................................... 258
Steering wheel
Adjustment ..................................................... 133
Heated steering wheel ............................ 287
Power easy access system .................... 128
Stop lights Replacing light bulbs ................................362
Storage feature ............................................ 292
Storage precautions................................... 292
Stuck If the vehicle becomes stuck ............... 406
Sun visors ........................................................ 299
Switch ASC (Active Sound Control) dial....... 177
Automatic High Beam switch ................ 181
Brake hold switch ........................................175
BSM (Blind Spot Monitor) main switch......................................................................... 250
Cruise control switch............................... 225
Door lock switch ......................................... 102
Driving mode select switch ................. 258
Driving position memory switches .... 128
Emergency flashers switch .................. 366
Engine switch ................................................ 165
Fog light switch ............................................ 184
Garage door opener switches.......... 309
Heated steering wheel ............................ 287
HUD (Head-up display) switches ...... 88
Ignition switch ............................................... 165
Intuitive parking assist switch ...............236
LDA switch .....................................................219
Light switches ............................................... 178
LTA switch ....................................................... 211
Meter control switches .............................. 82
Moon roof switches................................... 140

466Alphabetical Index
LEXUS NX300 Owners Manual_USA_M78389_en
Trailer Sway Control.................................. 260
Trailer towing ....................................... 155, 163
Transmission
Automatic transmission ........................... 168
Selecting a driving mode.......................258
Trip meters .........................................................79
Turn signal lights Replacing light bulbs................................ 362
Turn signal lever ........................................... 172
Wattage............................................................415
V
Vanity lightsVanity lights .................................................. 299
Wattage............................................................415
Vanity mirrors ............................................... 299 Vanity lights .................................................. 299
Vehicle data recordings ..................................6
Vehicle identification number ................408
Vehicle Stability Control (VSC) ........... 260
VSC (Vehicle Stabilit y Control) ........... 260
W
Warning buzzers
Approach warning...................................... 231
Downshifting ....................................................171
Intuitive parking assist.............................. 240
Light reminder............................................... 179
Open door....................................................... 101
Seat belt reminder........................ 379, 380
Vehicle sway warning ............................... 219 Warning lights
ABS ................................................................... 377
Brake hold operated indicator ........... 379
Brake Override System .......................... 381
Brake system................................................375
Charging system........................................375
Drive-Start Control.................................... 381
Electric power steering........................... 377
High coolant temperature..................... 376
LDA indicator ..............................................378
Low engine oil pressure.........................375
Low fuel level ............................................... 379
LTA indicator ...............................................378
Malfunction indicator lamp ................... 376
Master warning light................................ 380
Parking brake indicator .......................... 379
PCS warning light ..................................... 377
PKSB OFF indicator ................................378
Seat belt reminder light.............. 379, 380
Slip indicator .................................................378
SRS .................................................................... 376
Tire pressure ............................................... 380
Warning messages ..................................... 384
Washer Checking ....................................................... 342
Low washer fluid warning message342, 384
Preparing and checking before winter ..........................................................................266
Switch..................................................... 184, 189
Washing and waxing.................................. 320
Weights Cargo capacity ..................... 152, 154, 408
Load limits ..........................................154, 408
Weights ......................................................... 408