2020 LEXUS NX300 hood open

4007-2. Steps to take in an emergency
LEXUS NX300 Owners Manual_USA_M78389_en
If you have a set of jumper (or booster)
cables and a second vehicle with a bat-
tery, you can jump start your vehicle by
following the steps below.
1Confirm that the electronic key is
being carried.
When connecting the jumper (or booster)
cables, depending on the situation, the
alarm may activate and the doors may lock.
( P.71)
2 Open the hood ( P.333)
If the vehicle battery is dis-
charged
The following procedures may be
used to start the engine if the vehi-
cle’s battery is discharged.
You can also call your Lexus dealer
or a qualified repair shop.
Restarting the engine

4057-2. Steps to take in an emergency
LEXUS NX300 Owners Manual_USA_M78389_en
7
When trouble arises
6Start the engine and turn the air
conditioning system on to check
that the radiator cooling fans oper-
ate and to check for coolant leaks
from the radiator or hoses.
The fans operate when the air conditioning
system is turned on immediately after a
cold start. Confirm that the fans are oper-
ating by checking the fan sound and air
flow. If it is difficult to check these, turn the
air conditioning system on and off repeat-
edly.
(The fans may not oper ate in freezing tem-
peratures.)
7If the fans are not operating:
Stop the engine immediately and
contact your Lexus dealer.
If the fans are operating:
Have the vehicle inspected at the
nearest Lexus dealer.
8
Check if “Engine Coolant Temp
High” is shown on the multi-infor-
mation display.
If the message does not disappear:
Stop the engine and contact your
Lexus dealer.
If the message is not displayed:
Have the vehicle inspected at the
nearest Lexus dealer.
WARNING
■To prevent an accident or injury when
inspecting under the hood of your
vehicle
Observe the following precautions.
Failure to do so may result in serious
injury such as burns.
●If steam is seen coming from under the
hood, do not open the hood until the
steam has subsided. The engine com-
partment may be very hot.
●Do not touch within the engine com-
partment or get close when the cool-
ing fan is operating. Body parts,
clothes, etc., may get caught and lead
to an accident, resulting in serious
injury. The cooling fan operates auto-
matically at times when the air condi-
tioner is operating and times when the
coolant temperatures are high. Also, it
may operate for several minutes even
after the engine switch is turned off.
●Keep hands and clothing (especially a
tie, a scarf or a muffler) away from the
fans and belts. Failure to do so may
cause the hands or clothing to be
caught, resulting in serious injury.
●Do not loosen the coolant reservoir
cap while the engine and radiator are
hot.
High temperature steam or coolant
could spray out.
NOTICE
■When adding engine coolant
Add coolant slowly after the engine has
cooled down sufficiently. Adding cool
coolant to a hot engine too quickly can
cause damage to the engine.
■To prevent damage to the cooling sys-
tem
Observe the following precautions:
●Avoid contaminating the coolant with
foreign matter (such as sand or dust,
etc.).
●Do not use any coolant additive.

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

462Alphabetical Index
LEXUS NX300 Owners Manual_USA_M78389_en
O
Odometer ..........................................................79
Oil
Engine oil ........................................................ 410
Rear differential oil ...................................... 412
Transfer oil....................................................... 412
Opener Back door........................................................107
Fuel filler door................................................. 191
Hood................................................................ 333
Outside rear view mirrors .........................136 Adjusting and folding ................................136
Blind Spot Monitor (BSM) ...................250
Linked mirror functi on when reversing
........................................................................... 137
Mirror position memory...........................128
Outside rear view mirror defoggers280
Outside temperature display .....................79
Overheating .................................................. 403
P
Paddle shift switches ....................................170
Panic mode ....................................................... 98
Parking brake Operation........................................................ 172
Parking brake engaged warning buzzer/message ........................................................ 174
Warning light ............................................... 379
Parking lights Light switch .....................................................178
Replacing light bulbs................................ 362
Parking Support Brake function (for static objects) ........................................................... 241Indicator ....................................................75, 76
Warning light ............................................... 378
Warning messages .................................. 247 PCS (Pre-Collision System)
Function ........................................................... 199
PCS switch..................................................... 201
Warning light ............................................... 377
Warning message .................................... 384
Personal lights............................................... 289 Switch.............................................................. 290
PKSA (Parking Support Alert) .............. 235 Intuitive parking assist ..............................236
Power back door opener and closer ....107
Power easy access system ........................128
Power outlet ..................................................300
Power steering (Electric Power Steering system) .......................................................... 260Warning light ............................................... 377
Power windows Door lock linked window operation . 139
Jam protection function ........................... 138
Operation .............................................138, 139
Window lock switch.................................. 139
Pre-Collision System (PCS) Function ........................................................... 199
PCS switch..................................................... 201
Warning light ............................................... 377
Warning message .................................... 384
R
Radar cruise control (dynamic radar cruise control with full-speed range)............. 225
Radiator ........................................................... 339
Rear Cross Traffic Alert ........................... 254
Rear seat Folding down the rear seatbacks ........124
Rear side marker lights Light switch .................................................... 178
Replacing light bulbs ................................362

468
LEXUS NX300 Owners Manual_USA_M78389_en
GAS STATION INFORMATION
Auxiliary catch lever (P.333)
Back door opener switch
* (  P.107)
Fuel filler door ( P.191)
Hood lock release lever ( P.333)
Tire inflation pressure ( P.413)
*: Vehicles with power back door
Fuel tank capacity (Ref-
erence)15.9 gal. (60 L, 13.2 Imp.gal.)
Fuel typePremium unleaded gasoline onlyP.409
Cold tire inflation pres-
sureP.413
Engine oil capacity
(Drain and refill — ref-
erence)
P.410
Engine oil typeP.410
A
B
C
D
E