2020 LEXUS NX300h checking oil

4TABLE OF CONTENTS
LEXUS NX300h Owners Manual_USA_M78530_en
Luggage compartment features........................................................... 306
5-5. Using the other interior features Other interior features ............... 310
Garage door opener.................. 320
Compass.......................................... 326
6-1. Maintenance and care Cleaning and protecting the vehi-cle exterior ................................... 330
Cleaning and protecting the vehi- cle interior .................................... 333
6-2. Maintenance Maintenance requirements ..... 337
General maintenance ................ 338
Emission inspection and mainte- nance (I/M) programs ............ 340
6-3. Do-it-yourself maintenance Do-it-yourself service precautions........................................................... 342
Hood.................................................. 344
Positioning a floor jack............... 344
Engine compartment.................. 346
12-volt battery................................ 352
Tires ................................................... 355
Tire inflation pressure ................. 363
Wheels.............................................. 365
Air conditioning filter..................367
Electronic key battery ................ 368
Checking and replacing fuses 370
Headlight aim................................. 372
Light bulbs ....................................... 3747-1. Essential information
Emergency flashers .................... 378
If your vehicle has to be stopped in an emergency ............................ 378
If the vehicle is trapped in rising water .............................................. 379
7-2. Steps to take in an emergency If your vehicle needs to be towed........................................................... 381
If you think something is wrong .......................................................... 384
If a warning light turns on or a warn- ing buzzer sounds..................... 386
If a warning messa ge is displayed
.......................................................... 396
If you have a flat tire .................... 400
If the hybrid syst em will not start
.......................................................... 407
If you lose your keys.................... 409
If the fuel filler door cannot be opened .......................................... 409
If the electronic key does not oper- ate properly .................................. 410
If the 12-volt battery is discharged ............................................................ 412
If your vehicle overheats ............ 416
If the vehicle becomes stuck .... 419
8-1. Specifications Maintenance data (fuel, oil level, etc.) .................................................. 422
Fuel information .

........................... 430
Tire information ............................ 432
6Maintenance and care
7When trouble arises
8Vehicle specifications

13Pictorial index
LEXUS NX300h Owners Manual_USA_M78530_en
Windshield wipers ....................................................................................... P.195, 200
Precautions against winter season ................... ..........................................................P.277
To prevent freezing (windshield wiper de-icer) .................................................. P.294
Precautions against car wash ....................................................................................... P.331
Fuel filler door ........................................................................................................ P.202
Refueling method ............................................................................................................. P. 202
Fuel type/fuel tank capacity ...... ................................................................................... P.423
Tires.......................................................................................................................... .P.355
Tire size/inflation pressure ............................ ............................................................... P.428
Winter tires/tire chain .....................................................................................................P.2 77
Checking/rotation/tire pressure warning system..............................................P.355
Coping with flat tires........................................................................................................P .400
Hood ..........................................................................................................................P.344
Opening ........................................................................................................................ ....... P.344
Engine compartment cover ......................................................................................... P.347
Engine oil ..................................................................................................................... ......... P.424
Coping with overheat .......................................................................................................P.416
Warning messages .......................................................................................................... P.396
Headlights .................................................................................................................P.18 9
Parking lights/daytime running lights...............................................................P.189
Fog lights.................................................................................................................... P .195
Cornering lights
*.................................................................................................................. P.191
Turn signal lights ......................................................................................................P.182
Tail lights .................................................................................................................... P.189
License plate lights .................................................................................................P.189
Back-up light
Shifting the shift lever to R ...............................................................................................P.1 79
Light bulbs of the exterior lights for driving
(Replacing method: P.374, Watts: P.429)
D
E
F
G
H
I
J
K
L
M
N

3476-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manual_USA_M78530_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

3486-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manual_USA_M78530_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.424
 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

3496-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manual_USA_M78530_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.416)
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

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

482Alphabetical Index
LEXUS NX300h Owners Manual_USA_M78530_en
W
Warning buzzers Approach warning.................................... 242
Downshifting ..................................................182
Intuitive parking assist................................251
Light reminder.............................................. 190
Open door......................................................... 111
Seat belt reminder.......................................391
Vehicle sway warning ................... 221, 230
Warning lights ABS ................................................................. 388
Brake hold operated indicator ...........390
Brake Override System ......................... 393
Brake system ...............................................386
Charging system .......................................386
Drive-Start Control .................................. 393
Electric power steering ......................... 388
High coolant temperature .................... 387
LDA indicator..............................................389
Low engine oil pressure......................... 387
Low fuel level .................................................391
LTA indicator ...............................................389
Malfunction indicator lamp................... 387
Master warning light ................................ 392
Parking brake indicator ..........................390
PCS warning light .....................................389
PKSB OFF indicator ................................390
Seat belt reminder light ............................391
Slip indicator ................................................390
SRS................................................................... 388
Tire pressure ................................................ 392
Warning messages ..................................... 396 Washer
Checking ........................................................ 351
Low washer fluid warning message 351, 396
Preparing and checking before winter .......................................................................... 277
Switch....................................................195, 200
Washing and waxing.................................. 330
Weights Cargo capacity ........................ 161, 164, 422
Load limits ..................................................... 422
Weights .......................................................... 422
Wheels ............................................................. 365 Replacing wheels ...................................... 365
Size ....................................................................428
Window glasses ............................................ 148
Window lock switch .....................................149
Windows Power windows ........................................... 148
Rear window defogger.......................... 290
Washer ................................................195, 200
Windshield wiper de-icer ........................ 294
Windshield wipers Intermittent windshield wipers ............. 195
Rain-sensing windshield wipers ...........197
Winter driving tips........................................277
Wireless charger ...........................................312
Wireless remote control key ....................107 Battery-saving function............................. 127
Locking/Unlocking ................................... 107
Panic mode ....................................................108
Replacing the battery .............................. 368