2019 LEXUS NX300H checking oil

4TABLE OF CONTENTS
LEXUS NX300h Owners Manu-
al_USA_M78287_en
5-5. Using the other interior featuresOther interior features .............. 286
Garage door opener.................. 296
Compass........................................... 301
Lexus Enform Safety Connect 304
Lexus Enform Remote ............... 309
Lexus Enform Service Connect ............................................................ 310
6-1. Maintenance and care Cleaning and protecting the vehi-cle exterior .................................... 312
Cleaning and protecting the vehi- cle interior ..................................... 315
6-2. Maintenance Maintenance requirements ...... 319
General maintenance ................ 320
Emission inspection and mainte- nance (I/M) programs ............ 322
6-3. Do-it-yourself maintenance Do-it-yourself service precautions........................................................... 324
Hood.................................................. 326
Positioning a floor jack............... 326
Engine compartment.................. 328
12-volt battery................................ 334
Tires ................................................... 337
Tire inflation pressure ................. 345
Wheels.............................................. 346
Air conditioning filter..................348
Electronic key battery ................ 349
Checking and replacing fuses . 351
Headlight aim................................. 353
Light bulbs ....................................... 3557-1. Essential information
Emergency flashers .................... 360
If your vehicle has to be stopped in an emergency ............................ 360
7-2. Steps to take in an emergency If your vehicle needs to be towed.......................................................... 362
If you think something is wrong .......................................................... 365
If a warning light turns on or a warn- ing buzzer sounds..................... 367
If a warning messa ge is displayed
.......................................................... 376
If you have a flat tire .................... 379
If the hybrid syst em will not start
.......................................................... 387
If you lose your keys.................... 388
If the fuel filler door cannot be opened .......................................... 389
If the electronic key does not oper- ate properly ................................. 389
If the 12-volt battery is discharged .......................................................... 392
If your vehicle overheats ........... 396
If the vehicle becomes stuck ... 399
8-1. Specifications Maintenance data (fuel, oil level, etc.) ................................................. 40
2
Fuel information............................. 410
Tire information .............................. 412
6Maintenance and care
7When trouble arises
8Vehicle specifications

13Pictorial index
LEXUS NX300h Owners Manu-
al_USA_M78287_en
Precautions against winter season ............................................................................ P.256
To prevent freezing (windshield wiper de-icer) .................................................... P.271
Precautions against car wash ....................................................................................... P.313
Fuel filler door .......................................................................................................... P.195
Refueling method .............................................................................................................. P .195
Fuel type/fuel tank capacity ...... ...................................................................................P.403
Tires.......................................................................................................................... ..P.337
Tire size/inflation pressure ............................ ...............................................................P.408
Winter tires/tire chain .................................................................................................... P.256
Checking/rotation/tire pressure warning system.............................................. P.337
Coping with flat tires........................................................................................................ P .379
Hood ..........................................................................................................................P.326
Opening ........................................................................................................................ ....... P.326
Engine compartment cover ......................................................................................... P.329
Engine oil ..................................................................................................................... ......... P.404
Coping with overheat ..................................................................................................... P.396
Warning messages .......................................................................................................... P.376
Headlights .................................................................................................................P.18 2
Parking lights/daytime running lights...............................................................P.182
Fog lights................................................................................................................... P. 188
Turn signal lights ...................................................................................................... P.176
Tail lights .................................................................................................................... P.182
License plate lights .................................................................................................P.182
Back-up light
Shifting the shift lever to R ...............................................................................................P.1 73
Side marker lights ...................................................................................................P.182
*:If equipped
Light bulbs of the exterior lights for driving
(Replacing method: P.355, Watts: P.409)
E
F
G
H
I
J
K
L
M
N
O

3296-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manu-
al_USA_M78287_en
6
Maintenance and care
■Removing the engine compart-
ment cover
■Installing the clips
1 Insert
2 Press With the engine at operating tempera-
ture and turned off, check the oil level
on the dipstick.
■Checking the engine oil
1 Park the vehicle on level ground.
After warming up the hybrid sys-
tem, and turning off the engine, wait
more than 5 minutes for the oil to
drain back into the bottom of the
engine.
2 Holding a rag under the end, pull
the dipstick out.
3 Wipe the dipstick clean.
4 Reinsert the dipstick fully with its
protruding areas ( in the illustra-
tion) pointing towards engine.
Engine compartment cover
NOTICE
■After installing an engine compart-
ment cover
Make sure that the cover is securely
installed in its original position.
Checking and adding the engine
oil
A

3306-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manu-
al_USA_M78287_en
5Holding a rag under the end, pull
the dipstick out and check the oil
level.
Low
Normal
Excessive
Measuring side
6 Wipe the dipstick and reinsert it
fully.
■Checking the oil type and prepar-
ing the items needed
Make sure to check the oil type and
prepare the items needed before add-
ing oil.
 Engine oil selection
P.404
 Oil quantity (Low Full)
1.6 qt. (1.5 L, 1.3 Imp.qt.)
Items
Clean funnel
■Adding engine oil
If the oil level is below or near the low
level mark, add engine oil of the same
type as that already in the engine. 1
Remove the oil filler cap by turning
it counterclockwise.
2 Add engine oil slowly, checking the
dipstick.
3 Install the oil filler cap by turning it
clockwise.
■Engine oil consumption
A certain amount of engine oil will be con-
sumed while driving. In the following situa-
tions, oil consumption may increase, and
engine oil may need to be refilled in
between oil maintenance intervals.
●When the engine is new, for example
directly after purchasing the vehicle or
after replacing the engine
●If low quality oil or oil of an inappropriate
viscosity is used
●When driving at high engine speeds or
with a heavy load, when towing, or when
driving while accelerating or decelerat-
ing frequently
●When leaving the engine idling for a long
time, or when driving frequently through
heavy traffic
■After changing the engine oil
The engine oil maintenance data should be
reset. Perform the following procedures:
1 Press or of the meter control
switches and select .
A
B
C
D

3316-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manu-
al_USA_M78287_en
6
Maintenance and care
2 Press or of the meter control
switches, sele ct the “Vehicle Settings”
and then press .
3 Press or of the meter control
switches, select the “Oil Maintenance”
and then press and hold .
4 Select the “Yes” and push .
“The Data Has Been Reset” is displayed
on the multi-information display.
The coolant level is satisfactory if it is
between the “FULL” and “LOW” lines
on the reservoir when the hybrid sys-
tem is cold.
■Engine coolant reservoir
Reservoir cap
“FULL” line
“LOW” line
If the level is on or below the “LOW” line,
add coolant up to the “FULL” line.
(  P.396)
WARNING
■Used engine oil
●Used engine oil contains potentially
harmful contaminants which may
cause skin disorders such as inflamma-
tion and skin cancer, so care should be
taken to avoid prolonged and
repeated contact. To remove used
engine oil from your skin, wash thor-
oughly with soap and water.
●Dispose of used oil and filters only in a
safe and acceptable manner. Do not
dispose of used oil and filters in house-
hold trash, in sewers or onto the
ground. Call your Lexus dealer, ser-
vice station or auto parts store for
information concerning recycling or
disposal.
●Do not leave used engine oil within the
reach of children.
NOTICE
■To prevent serious engine damage
Check the oil level on a regular basis.
■When replacing the engine oil
●Be careful not to spill engine oil on the
vehicle components.
●Avoid overfilling, or the engine could
be damaged.
●Check the oil level on the dipstick
every time you re fill the vehicle.
●Be sure the engine o il filler cap is prop-
erly tightened.
Checking the coolant
A
B
C

450Alphabetical Index
LEXUS NX300h Owners Manu-
al_USA_M78287_en
Emergency, in case of If a warning buzzer sounds .................. 367
If a warning light turns on ...................... 367
If a warning message is displayed..... 376
If the 12-volt battery is discharged .... 392
If the electronic key does not operate properly.......................................................389
If the fuel filler door cannot be opened .........................................................................389
If the hybrid system will not start ........ 387
If you have a flat tire .................................. 379
If you lose your keys................................ 388
If you think something is wrong .........365
If your vehicle becomes stuck.............399
If your vehicle has to be stopped in an
emergency ................................................360
If your vehicle needs to be towed ..... 362
If your vehicle overheats ........................396
Energy monitor ............................................... 93
Engine Accessory mode .........................................170
Compartment ............................................. 328
Engine switch................................................ 168
Hood................................................................ 326
How to start the hybrid system ........... 168
Identification number ...............................403
If your vehicle has to be stopped in an
emergency ................................................360
Ignition switch (power switch) ............. 168
Overheating.................................................396
Power switch ................................................ 168
Engine compartment cover .................... 329
Engine coolant Capacity .........................................................405
Checking .........................................................331
Preparing and checking before winter......................................................................... 256
Warning light ...............................................368
Engine coolant temperature gauge ........79 Engine oil
Capacity ........................................................ 404
Checking .......................................................329
Warning light .............................................. 368
Engine switch ................................................. 168
EPS (Electronic Power Steering) Function .......................................................... 249
Warning light .............................................. 369
EV drive mode................................................. 171
EV indicator ...................................................... 62
Event data recorder (E DR) ............................7
F
Flat tire ............................................................. 379
Tire pressure warning system .............339
Floor mats .......................................................... 24
Fluid Brake ................................................................407
Transmission................................................ 406
Washer ...........................................................333
Fog lights Replacing light bulbs ............................... 355
Switch................................................................188
Front passenger occupant classification system ................................................................ 41
Front passenger’s seat belt reminder light ............................................................................ 371
Front seat heaters.........................................274
Front seats ........................................................126 Adjustment ......................................................126
Cleaning .......................................................... 315
Correct driving posture ............................ 25
Driving position memory .........................132
Head restraints............................................. 135
Power easy access system .....................132
Seat heaters .................................................. 274
Seat position memory ...............................132

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