Page 337 of 476
3376-3. Do-it-yourself maintenance
6
Maintenance and care
Fuse boxes (P.370)
Engine coolant reservoir ( P.339)
Engine oil filler cap ( P.338)
Power control unit coolant reservoir ( P.340)
Brake fluid reservoir ( P.341)
Radiator ( P.340)
Condenser ( P.340)
Electric cooling fans
Engine oil level dipstick ( P.337)
Washer fluid tank ( P.341)
■12-volt battery
P.342
With the engine at operating tempera-
ture and turned off, check the oil level
Engine compartment
Components
A
B
C
D
E
F
G
H
I
J
Checking and adding the engine
oil
Page 338 of 476

3386-3. Do-it-yourself maintenance
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.
5 Holding a rag under the end, pull
the dipstick out and check the oil
level.
Low
Normal
Excessive
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.418
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
A
B
C
Page 339 of 476

3396-3. Do-it-yourself maintenance
6
Maintenance and care
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 accelera ting 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 .
2
Press or of the meter control
switches, select “Vehicle Settings” and
then press “OK”.
3
Press or of the meter control
switches, select “Oil Maintenance” and
then press and hold “OK”.
4
Select “Yes” and press “OK”.
“Reset Complete” will be displayed when
the reset procedure has been completed.
The coolant level is satisfactory if it is
between the “FULL/F” and “LOW/L”
lines on the reservoir when the hybrid
system 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.410)
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 refill the vehicle.
●Be sure the engine o il filler cap is prop-
erly tightened.
Checking the coolant
A
B
C
Page 386 of 476

3867-2. Steps to take in an emergency
■Brake system warning light (warning buzzer)
■Charging system warning light* (warning buzzer)
*: This light illuminates on the multi-information display.
■Low engine oil pressure warning light* (warning buzzer)
*: This light illuminates on the multi-information display.
If a warning light turns on or a warning buzzer sounds
Calmly perform the following actions if any of the warning lights comes on or
flashes. If a light comes on or flashes, bu t then goes off, this does not necessar-
ily indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspected by your Lexus dealer.
Actions to the warning lights or warning buzzers
Warning lightDetails/Actions
(U.S.A.)
or
(red)
(Canada)
Indicates that:
The brake fluid level is low; or
The brake system is malfunctioning
Immediately stop the vehicle in a safe place and contact your Lexus
dealer. Continuing to drive the vehicle may be dangerous.
Warning lightDetails/Actions
Indicates a malfunction in the vehicle’s charging system
Immediately stop the vehicle in a safe place and contact your Lexus
dealer.
Warning lightDetails/Actions
Indicates that the engine oil pressure is too low
Immediately stop the vehicle in a safe place and contact your Lexus
dealer.
Page 396 of 476

3967-2. Steps to take in an emergency
The warning lights and warning buzzers operate as follows depending on the con-
tent of the message. If a message indicates the need for inspection by a dealer, have
the vehicle inspected by your Lexus dealer immediately.
*: A buzzer sounds the first time a message is shown on the multi-information display.
■Warning messages
The warning messages explained below
may differ from the actual messages
according to operation conditions and vehi-
cle specifications.
■Warning buzzer
In some cases, the bu zzer may not be heard
due to being in a noisy location or audio
sound.
■If “Engine Oil Level Low Add or
Replace” is displayed
The engine oil level is low. Check the level
of the engine oil, and add if necessary.
This message may appear if the vehicle is
stopped on a slope. Move the vehicle to a
level surface and check to see if the mes-
sage disappears.
■If “Hybrid System Stopped Steering
Power Low” is displayed
This message is displayed if the hybrid sys-
tem is stopped while driving.
When steering wheel operations are
heavier than usual, gr ip the steering wheel
firmly and operate it using more force than
usual.
■If “Hybrid system overheated Output
power reduced” is displayed
This message may be displayed when driv-
ing under severe operat ing conditions. (For
example, when driving up a long steep hill.)
Handling method: P.410
■If “Traction Battery Needs to be Pro-
tected Refrain From the Use of N Posi-
tion” is displayed
This message may be displayed when the
shift lever is in N.
As the hybrid battery (traction battery) can-
Messages and warnings
Warning lightWarning buzzer*Warning
Sounds
• Indicates an important situation, such as when a system related to drivin g is malfunctioning or
that danger may result if the correction proce-
dure is not performed
• Indicates a situation, such as when damage to the vehicle or danger may result
Comes onor flashesSounds
Indicates an important situation, such as when the
systems shown on the multi-information display
may be malfunctioning
Does not sound
• Indicates a condition, such as malfunction of electrical components, th eir condition, or indi-
cates the need for maintenance
• Indicates a situation, such as when an operation has been performed incorrectly, or indicates
how to perform an operation correctly
Page 415 of 476
415
8
8
Vehicle specifications
Vehicle specifications
8-1. SpecificationsMaintenance data (fuel, oil level, etc.) ............................................... 416
Fuel information ......................... 423
Tire information.......................... 425
8-2. Customization Customizable features............ 434
8-3. Initialization Items to initialize ........................ 446
Page 416 of 476
4168-1. Specifications
8-1.Specifications
*1:Unladen vehicle
*2: Vehicles without shark fin antenna
*3: Vehicles with shark fin antenna
■Vehicle identification number
The vehicle identification number
(VIN) is the legal identifier for your
vehicle. This is the primary identifica-
tion number for your Lexus. It is used in
registering the ownership of your vehi-
cle.
This number is stamped on the top left
of the instrument panel. This number is also on the Certification
Label.
Maintenance data (fuel, oil level, etc.)
Dimensions and weight
Overall length177.0 in. (4495 mm)
Overall width72.4 in. (1840 mm)
Overall height*159.8 in. (1520 mm)*2
60.6 in. (1540 mm)*3
Wheelbase103.9 in. (2640 mm)
TreadFront61.0 in. (1550 mm)
Rear61.0 in. (1550 mm)
Vehicle capacity weight
(Occupants + luggage)890 lb. (405 kg)
Vehicle identification
Page 418 of 476
![LEXUS UX250H 2019 Owners Manual 4188-1. Specifications
Front
Rear (AWD models)
■Oil capacity (Drain and refill [Ref-
erence
*])
*: The engine oil capacity is a reference quantity to be used when changing the
engine oil. War LEXUS UX250H 2019 Owners Manual 4188-1. Specifications
Front
Rear (AWD models)
■Oil capacity (Drain and refill [Ref-
erence
*])
*: The engine oil capacity is a reference quantity to be used when changing the
engine oil. War](/manual-img/36/58039/w960_58039-417.png)
4188-1. Specifications
Front
Rear (AWD models)
■Oil capacity (Drain and refill [Ref-
erence
*])
*: The engine oil capacity is a reference quantity to be used when changing the
engine oil. Warm up the engine and turn
off the hybrid system, wait more than 5
minutes, and check the oil level on the
dipstick.
■Engine oil selection
“Toyota Genuine Motor Oil” is used in
your Lexus vehicle. Use Lexus
approved “Toyota Genuine Motor Oil”
or equivalent to satisfy the following
grade and viscosity.
Oil grade: API SN/RC multigrade
engine oil
Recommended viscosity: SAE 0W-16
SAE 0W-16 is the best choice for good
fuel economy and good starting in cold
weather.
If SAE 0W-16 is not available, SAE
Electric motor (traction motor)
TypePermanent magnet synchronous motor
Maximum output80 kW
Maximum torque149.0 ft•lbf (202 N•m, 20.6 kgf•m)
TypePermanent induction motor
Maximum output5.3 kW
Maximum torque40.6 ft•lbf (55 N•m, 5.6 kgf•m)
Hybrid battery (traction battery)
TypeNickel-Metal hydride battery
Voltage7.2 V/module
Capacity6.5 Ah (3HR)
Quantity30 modules
Overall voltage216 V
Lubrication system
With filter4.5 qt. (4.3 L, 3.8
Imp.qt.)
Without filter4.1 qt. (3.9 L, 3.4
Imp.qt.)