2020 LEXUS NX300h open hood

4137-2. Steps to take in an emergency
LEXUS NX300h Owners Manual_USA_M78530_en
7
When trouble arises
2 Open the hood ( P.344) and fuse
box cover. 3
Open the exclusive jump starting
terminal cover.
4 Remove the engine cover.
5 Connect a positive jumper cable clamp to on your vehicle and connect the
clamp on the other end of the positive cab le to on the second vehicle. Then,
connect a negative cable clamp to on the second vehicle and connect the
clamp at the other end of the negative cable to .
Exclusive jump starting terminal (your vehicle)
A
B
C
D
A

4187-2. Steps to take in an emergency
LEXUS NX300h Owners Manual_USA_M78530_en
■If “Hybrid System Overheated” is
shown on the multi-information dis-
play
1 Stop the vehicle in a safe place.
2 Stop the hybrid system and care-
fully lift the hood.
3 After the hybrid system has cooled
down, inspect the hoses and radia-
tor core (radiator) for any leaks.
Radiator
Cooling fans
If a large amount of coolant leaks, immedi-
ately contact your Lexus dealer.
4The coolant level is satisfactory if it
is between the “FULL” and “LOW”
lines on the reservoir.
Reservoir “FULL” line
“LOW” line 5
Add coolant if necessary.
Water can be used in an emergency if
coolant is unavailable.
6After stopping the hybrid system
and waiting for 5 minutes or more,
start the hybrid system again and
check if “Hybrid System Over-
heated” is shown on the multi-infor-
mation display.
If the message does not disappear:
Stop the hybrid system and contact your
Lexus dealer.
If the message is not displayed:
The hybrid system temperature has
dropped and the vehicle may be driven
normally.
However, if the message appears again fre-
quently, contact your Lexus dealer.
A
B
A
B
C
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.

LEXUS NX300h Owners Manual_USA_M78530_en
Alphabetical Index473
Emergency flashers .................................... 378
Emergency, in case ofIf a warning buzzer sounds ..................386
If a warning light turns on ......................386
If a warning message is displayed.....396
If the 12-volt battery is discharged ...... 412
If the electronic key does not operate properly........................................................ 410
If the fuel filler door cannot be opened .........................................................................409
If the hybrid system will not start ........ 407
If the vehicle is trapped in rising water ......................................................................... 379
If you have a flat tire ................................. 400
If you lose your keys.................................409
If you think something is wrong .........384
If your vehicle becomes stuck...............419
If your vehicle has to be stopped in an
emergency ................................................ 378
If your vehicle needs to be towed ...... 381
If your vehicle overheats ..........................416
Energy monitor ............................................... 99
Engine Accessory mode ......................................... 176
Compartment ............................................. 346
Engine switch................................................. 174
Hood................................................................ 344
How to start the hybrid system ............ 174
Identification number ............................... 423
If your vehicle has to be stopped in an
emergency ................................................ 378
Ignition switch (power switch) .............. 174
Overheating...................................................416
Power switch ................................................. 174 Engine compartment cover .................... 347
Engine coolant
Capacity .........................................................425
Checking .......................................................349
Preparing and checking before winter.......................................................................... 277
Warning light ...............................................387
Engine coolant temperature gauge ....... 84
Engine oil Capacity ......................................................... 424
Checking ....................................................... 347
Warning light ...............................................387
Engine switch .................................................. 174
EPS (Electronic Power Steering) Function .......................................................... 270
Warning light .............................................. 388
EV drive mode................................................ 177
EV indicator ...................................................... 68
Event data recorder (E DR) ........................... 8
F
Flat tire .............................................................400
Tire pressure warning system .............357
Floor mats .......................................................... 24
Fluid Brake ................................................................ 427
Transmission................................................. 426
Washer ............................................................ 351
Fog lights Replacing light bulbs ................................ 374
Switch................................................................ 195
Front passenger occupant classification system ................................................................ 41

474Alphabetical Index
LEXUS NX300h Owners Manual_USA_M78530_en
Front passenger’s seat belt reminder light
............................................................................391
Front seat heaters........................................ 297
Front seats ........................................................132 Adjustment...................................................... 132
Cleaning......................................................... 333
Correct driving posture ............................ 25
Driving position memory........................ 138
Head restraints ...............................................141
Power easy access system .................... 138
Seat heaters .................................................. 297
Seat position memory .............................. 138
Front side marker lights Light switch .................................................... 189
Replacing light bulbs................................ 375
Wattage.......................................................... 429
Front turn signal lights Replacing light bulbs.................... 374, 375
Turn signal lever ...........................................182
Wattage.......................................................... 429
Fuel Capacity ......................................................... 423
Fuel gauge ....................................................... 84
Gas station information..........................484
Information ....................................................430
Refueling ........................................................ 202
Type.................................................................. 423
Warning light .................................................391
Fuel filler door ............................................... 202 Refueling ........................................................ 202
When the fuel filler door cannot be opened ........................................................409
Fuses ................................................................. 370G
Garage door opener ................................. 320
Gas station information ............................ 484
Gauges ............................................................... 84
Glove box ....................................................... 304
Glove box light ............................................. 304
Grocery bag hooks .................................... 307
H
Head restraints ................................................ 141
Head-up display.............................................. 94
Headlights ....................................................... 189 Automatic headlight leveling ................ 190
Automatic High Beam ..............................192
Light switch .................................................... 189
Replacing light bulbs ................................ 374
Heated steering wheel .............................. 297
Heaters Automatic air conditioning system .. 289
Heated steering wheel ............................ 297
Outside rear view mirrors.................... 290
Seat heaters .................................................. 297
High mounted stoplight Replacing light bulb .................................. 374
Hill-start assist control ............................... 270
Hood ................................................................. 344 Open................................................................ 344
Hooks Cargo hooks............................................... 306
Retaining hooks (floor mat) ..................... 24
Horn ....................................................................144

LEXUS NX300h Owners Manual_USA_M78530_en
Alphabetical Index477
MirrorsInside rear view mirror.............................. 144
Outside rear view mirror defoggers290
Outside rear view mirrors ......................146
Vanity mirrors............................................... 310
Moon roof Jam protection function............................. 151
Operation....................................................... 150
Warning message.......................... 152, 396
Multi-information display Clock .................................................................. 84
Drive information .......................................... 90
Dynamic radar cruise control with full-speed range .............................................. 236
Energy monitor.............................................. 99
Language....................................................... 444
LDA (Lane Departure Alert with steering control) ........................................................ 226
LTA (Lane Tracing Assist)...................... 217
Warning messages ..................................396
N
Noise from under vehicle ...............................6
O
Odometer ......................................................... 84
Oil Engine oil ....................................................... 424
Rear differential oil .................................... 427
Opener Back door..........................................................117
Fuel filler door.............................................. 202
Hood................................................................ 344 Outside rear view mirrors .........................146
Adjusting and folding................................ 146
Blind Spot Monitor (BSM)......................261
Linked mirror functi on when reversing
............................................................................147
Mirror position memory .......................... 138
Outside rear view mirror defoggers290
Outside temperature display .................... 84
Overheating ....................................................416
P
Paddle shift switches ..................................... 181
Panic mode ..................................................... 108
Parking brake Operation ....................................................... 183
Parking brake engaged warning buzzer/message ....................................................... 184
Warning light .............................................. 390
Parking lights Light switch .................................................... 189
Replacing light bulb .................................. 374
Parking Support Brake fu nction (for static
objects) ......................................................... 252 Indicator................................................... 80, 82
Warning light .............................................. 390
Warning messages.................................. 258
PCS (Pre-Collision System) Function ........................................................... 210
PCS switch...................................................... 212
Warning light .............................................. 389
Warning message .................................... 396
Personal lights...............................................300 Switch................................................................ 301
PKSA (Parking Support Alert) .............. 246

484
LEXUS NX300h Owners Manual_USA_M78530_en
GAS STATION INFORMATION
Auxiliary catch lever (P.344)
Back door opener switch
* (  P.117)
Fuel filler door ( P.202)
Hood lock release lever ( P.344)
Tire inflation pressure ( P.428)
*: Vehicles with power back door
Fuel tank capacity (Ref-
erence)14.8 gal. (56 L, 12.3 Imp.gal.)
Fuel typeUnleaded gasoline onlyP.423
Cold tire inflation pres-
sureP.428
Engine oil capacity
(Drain and refill — ref-
erence)
P.424
Engine oil typeP.424
A
B
C
D
E