2021 LEXUS NX300h checking oil

4TABLE OF CONTENTS
LEXUS NX300h Owners Manual_USA_M78578_en
Luggage compartment features
........................................................... 308
5-5. Using the other interior features Other interior features ............... 312
Garage door opener.................. 322
Compass.......................................... 328
6-1. Maintenance and care Cleaning and protecting the vehi-cle exterior ................................... 332
Cleaning and protecting the vehi- cle interior .................................... 335
6-2. Maintenance Maintenance requirements ..... 339
General maintenance ................ 340
Emission inspection and mainte- nance (I/M) programs ............ 342
6-3. Do-it-yourself maintenance Do-it-yourself service precautions........................................................... 344
Hood.................................................. 346
Positioning a floor jack............... 346
Engine compartment.................. 348
12-volt battery................................ 354
Tires ................................................... 357
Tire inflation pressure ................. 365
Wheels.............................................. 367
Air conditioning filter..................368
Electronic key battery ................ 369
Checking and replacing fuses . 371
Headlight aim................................. 373
Light bulbs ....................................... 3757-1. Essential information
Emergency flashers .................... 380
If your vehicle has to be stopped in an emergency ............................ 380
If the vehicle is trapped in rising water ............................................... 381
7-2. Steps to take in an emergency If your vehicle needs to be towed.......................................................... 383
If you think something is wrong .......................................................... 386
If a warning light turns on or a warn- ing buzzer sounds..................... 388
If a warning messa ge is displayed
.......................................................... 398
If you have a flat tire .................... 402
If the hybrid syst em will not start
.......................................................... 409
If you lose your keys....................... 411
If the fuel filler door cannot be opened ............................................. 411
If the electronic key does not oper- ate properly ................................... 412
If the 12-volt battery is discharged ............................................................ 414
If your vehicle overheats ............ 418
If the vehicle becomes stuck ..... 421
8-1. Specifications Maintenance data (fuel, oil level, etc.) .................................................. 424
Fuel information .

........................... 432
Tire information ............................ 434
6Maintenance and care
7When trouble arises
8Vehicle specifications

13Pictorial index
LEXUS NX300h Owners Manual_USA_M78578_en
Windshield wipers ........................................................................................ P.196, 201
Precautions against winter season ................... ......................................................... P.279
To prevent freezing (windshield wiper de-icer) .................................................. P.296
Precautions against car wash ...................................................................................... P.333
Fuel filler door ........................................................................................................ P.203
Refueling method .............................................................................................................P. 203
Fuel type/fuel tank capacity ...... ................................................................................... P.425
Tires.......................................................................................................................... ..P.357
Tire size/inflation pressure ...........................................................................................P.430
Winter tires/tire chain .................................................................................................... P.27 9
Checking/rotation/tire pressure warning system.............................................. P.357
Coping with flat tires........................................................................................................ P .402
Hood ..........................................................................................................................P.346
Opening ........................................................................................................................ ....... P.346
Engine compartment cover ......................................................................................... P.349
Engine oil ..................................................................................................................... ......... P.426
Coping with overheat ...................................................................................................... P.418
Warning messages ..........................................................................................................P.398
Headlights .................................................................................................................P.19 0
Parking lights/daytime running lights...............................................................P.190
Fog lights.................................................................................................................... P .196
Cornering lights
*.................................................................................................................P.192
Turn signal lights ......................................................................................................P.183
Tail lights .................................................................................................................... P.190
License plate lights .................................................................................................P.190
Back-up light
Shifting the shift lever to R .............................................................................................. P.18 0
Light bulbs of the exterior lights for driving
(Replacing method: P.375, Watts: P.431)
D
E
F
G
H
I
J
K
L
M
N

3496-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manual_USA_M78578_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

3506-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manual_USA_M78578_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.426
 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

3516-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manual_USA_M78578_en
6
Maintenance and care
2Press 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.418)
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

474Alphabetical Index
LEXUS NX300h Owners Manual_USA_M78578_en
Replacing the battery...............................369
Electronically Controlled Brake System (ECB) .............................................................272
Emergency flashers ....................................380
Emergency, in case of If a warning buzzer sounds ................. 388
If a warning light turns on ..................... 388
If a warning message is displayed.....398
If the 12-volt battery is discharged ...... 414
If the electronic key does not operate properly......................................................... 412
If the fuel filler door cannot be opened .............................................................................411
If the hybrid system will not start ........409
If the vehicle is trapped in rising water .......................................................................... 381
If you have a flat tire .................................. 402
If you lose your keys.....................................411
If you think something is wrong .........386
If your vehicle becomes stuck............... 421
If your vehicle has to be stopped in an
emergency ............................................... 380
If your vehicle needs to be towed .....383
If your vehicle overheats ......................... 418
Energy monitor ............................................... 99
Engine .............................................................. 425 Accessory mode ......................................... 177
Compartment .............................................348
Engine switch................................................. 174
Hood................................................................ 346
How to start the hybrid system ............ 174
Identification number ............................... 425
If your vehicle has to be stopped in an
emergency ............................................... 380
Ignition switch (power switch) .............. 174
Overheating.................................................. 418
Power switch ................................................. 174
Engine compartment cover .................... 349
Engine coolant Capacity ......................................................... 427
Checking .........................................................351
Preparing and checking before winter .......................................................................... 279
Warning light .............................................. 389
Engine coolant temperature gauge ....... 84
Engine oil Capacity ......................................................... 426
Checking .......................................................349
Warning light .............................................. 389
Engine switch .................................................. 174
EPS (Electronic Power Steering) Function .......................................................... 272
Warning light .............................................. 390
EV drive mode................................................178
EV indicator ...................................................... 68
Event data recorder (E DR) ........................... 8
F
Flat tire ............................................................. 402
Tire pressure warning system ............ 359
Floor mats .......................................................... 24
Fluid Brake ................................................................ 429
Transmission.................................................428
Washer ...........................................................353
Fog lights Replacing light bulbs ................................375
Switch................................................................ 196
Front passenger occupant classification system ................................................................ 41
Front passenger’s seat belt reminder light .......................................................................... 393
Front seat heaters........................................300
Front seats ........................................................132 Adjustment ......................................................132
Cleaning .........................................................335
Correct driving posture ............................ 25
Driving position memory ........................ 138
Head restraints............................................... 141
Power easy access system .................... 138
Seat heaters ................................................. 300
Seat position memory .............................. 138
Front side marker lights Light switch .................................................... 190

LEXUS NX300h Owners Manual_USA_M78578_en
Alphabetical Index481
Towing
Dinghy towing ............................................... 173
Emergency towing ...................................383
Towing eyelet ............................................. 385
Trailer Sway Control ............................... 273
Trailer towing ...................................... 165, 173
TRAC (Traction Control) ........................ 273
Traction battery (Hybrid battery) ............ 70 Hybrid battery (traction battery) air intake and discharge vents....................72
Location............................................................. 70
Specification ................................................. 426
Warning messages ......................................73
Traction motor (electric motor) ................67
Trailer Sway Control.................................. 273
Trailer towing ........................................ 165, 173
Transmission Hybrid transmission .................................. 180
Selecting a driving mode....................... 270
Trip meters ........................................................ 84
Turn signal lights Replacing light bulbs.................... 375, 376
Turn signal lever .......................................... 183
Wattage............................................................ 431
V
Vanity lightsVanity lights .................................................... 312
Wattage............................................................ 431
Vanity mirrors .................................................312 Vanity lights .................................................... 312
Vehicle data recordings ..................................7
Vehicle identification number ................ 424
Vehicle Stability Control (VSC) ............272
VSC (Vehicle Stabilit y Control) ............272
W
Warning buzzers
Approach warning.................................... 243
Downshifting ................................................. 183
Intuitive parking assist.............................. 252 Light reminder ................................................ 191
Open door ......................................................... 111
Seat belt reminder .....................................393
Vehicle sway warning ................... 222, 231
Warning lights ABS .................................................................. 390
Brake hold operated indicator ...........392
Brake Override System ........................ 395
Brake system............................................... 388
Charging system....................................... 388
Drive-Start Control.................................. 395
Electric power steering.......................... 390
High coolant temperature.................... 389
Hybrid system............................................. 388
LDA indicator ............................................... 391
Low engine oil pressure........................ 389
Low fuel level ...............................................393
LTA indicator ................................................ 391
Malfunction indicator lamp .................. 389
Master warning light.................................394
Parking brake indicator ..........................392
PCS warning light ...................................... 391
PKSB OFF indicator ................................392
Seat belt reminder light...........................393
Slip indicator .................................................392
SRS ................................................................... 390
Tire pressure ................................................394
Warning messages ..................................... 398
Washer Checking .......................................................353
Low washer fluid warning message353, 398
Preparing and checking before winter .......................................................................... 279
Switch......................................................196, 201
Washing and waxing.................................. 332
Weights Cargo capacity ........................161, 164, 424
Load limits ...........................................164, 424
Weights .......................................................... 424
Wheels ............................................................. 367 Replacing wheels ....................................... 367