Page 609 of 680
6099-1. Specifications
9
Vehicle specifications
NX300h_OM_USA_OM78082U
*: The engine oil capacity is a reference quantity to be used when changing the engineoil. Warm up the engine and turn off the hybrid system, wait more than 5 minutes, and
check the oil level on the dipstick.
Hybrid battery (traction battery)
Ty p eNickel-Metal hydride battery
Vo l t a g e7. 2 V/m o d u l e
Capacity6.5 Ah (3HR)
Quantity34 modules
Overall voltage244.8 V
Lubrication system
Oil capacity
(Drain and refill — reference
*)
With filter
Without filter4.6 qt. (4.4 L, 3.9 Imp.qt.)
4.2 qt. (4.0 L, 3.5 Imp.qt.)
Page 610 of 680

6109-1. Specifications
NX300h_OM_USA_OM78082U
■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: ILSAC GF-5 multigrade engine oil
Recommended viscosity: SAE 0W-20
SAE 0W-20 is the best choice for
good fuel economy and good start-
ing in cold weather.
If SAE 0W-20 is not available, SAE
5W-20 oil may be used. However, it
must be replaced with SAE 0W-20
at the next oil change.
Oil viscosity (0W-20 is explained here as an example):
• The 0W in 0W-20 indicates the characteristic of the oil which allows cold startability. Oils with a lower value before the W allow for easier starting of
the engine in cold weather.
• The 20 in 0W-20 indicates the viscos ity characteristic of the oil when the
oil is at high temperature. An oil with a higher viscosity (one with a higher
value) may be better suited if the vehicle is operated at high speeds, or
under extreme load conditions.
How to read oil container label:
The International Lubricant Specifi-
cation Advisory Committee
(ILSAC) Certification Mark is added
to some oil containers to help you
select the oil you should use.
Outside temperature
Page 611 of 680

6119-1. Specifications
9
Vehicle specifications
NX300h_OM_USA_OM78082U
*: The coolant capacity is the quantity of reference. If replacement is necessary, contact your Lexus dealer.
Cooling system
Capacity*
Gasoline
engine
Vehicles with towing package
7.7 qt. (7.3 L, 6.4 Imp.qt.)
Vehicles without towing package
7.1 qt. (6.7 L, 5.9 Imp.qt.)
Po w e r
control unit3.3 qt. (3.1 L, 2.7 Imp.qt.)
Coolant type
Use either of the following: • “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-based
non-silicate, non-amine, non-nitrite, and non-
borate coolant with long-life hybrid organic
acid technology
Do not use plain water alone.
Ignition system (spark plug)
MakeDENSO FK16HR-A8
Gap0.03 in. (0.8 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system
12-volt battery
Open voltage at 68F (20 C):
12.6 V or higher: Fully charged
12.2 — 12.4 V: Half charged
12.0 V or lower: Discharged
(Voltage is checked 20 minutes after the hybrid
system and all lights are turned off.)
Charging rates5 A max.
Page 612 of 680

6129-1. Specifications
NX300h_OM_USA_OM78082U
*: The fluid capacity is the quantity of reference. If replacement is necessary, contact your Lexus dealer.
*: The fluid capacity is the quantity of reference. If replacement is necessary, contact your Lexus dealer.
*: Minimum pedal clearance when depressed wi th a force of 110 lbf (490 N, 50.0 kgf)
while the hybrid system is operating.
Hybrid transmission
Fluid capacity*Front
4.0 qt. (3.8 L, 3.3 Imp.qt.)
Fluid typeTo y o t a G e n u i n e AT F W S
NOTICE
■Transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may cause deterioration
in shift quality, locking up of your transm ission accompanied by vibration, and ulti-
mately damage the transmission of your vehicle.
Rear differential (Rear electric motor) (AWD models)
Fluid capacity*1.9 qt. (1.8 L, 1.6 Imp.qt.)
Fluid typeTo y o t a G e n u i n e AT F W S
NOTICE
■Transmission fluid type
Using transmission fluid other than “Toyota Genuine ATF WS” may cause deterioration
in shift quality, locking up of your transm ission accompanied by vibration, and ulti-
mately damage the transmission of your vehicle.
Brakes
Pe d a l c l e a r a n c e*4.13 in. (105 mm) Min.
Brake pad wear limit0.04 in. (1.0 mm)
Pedal free play0.04 — 0.24 in. (1.0 — 6.0 mm)
Fluid typeFMVSS No. 116 DOT 3 or SAE J1703
Page 613 of 680

6139-1. Specifications
9
Vehicle specifications
NX300h_OM_USA_OM78082U
Ty p e A
Ty p e B
Steering
Free playLess than 1.2 in. (30 mm)
Tires and wheels
Ti r e s i z e225/65R17 102H
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions
Front
35 psi (240 kPa, 2.4 kgf/cm2 or bar)
Rear
35 psi (240 kPa, 2.4 kgf/cm2 or bar)Driving at high speeds (above 100 mph [160 km/h])
(in countries where such speeds are permitted by
law)
Add 1 psi (10 kPa, 0.1 kgf/cm2 or bar) to the front
and rear tires. Never exceed the maximum cold
tire inflation pressure in dicated on the tire side-
wall.
Wheel size17 7 J
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)
Ti r e s i z e225/60R18 100H
Tire inflation pressure
(Recommended cold tire
inflation pressure)
Driving under normal conditions
Front
32 psi (220 kPa, 2.2 kgf/cm2 or bar)
Rear
32 psi (220 kPa, 2.2 kgf/cm2 or bar)
Driving at high speeds (above 100 mph [160 km/h])
(in countries where such speeds are permitted by
law)
Add 9 psi (60 kPa, 0.6 kgf/cm2 or bar) to the
front and rear tires. Never exceed the maximum
cold tire inflation pressure indicated on the tire
sidewall.
Wheel size18 7 1 /2 J
Wheel nut torque76 ft•lbf (103 N•m, 10.5 kgf•m)
Page 614 of 680
6149-1. Specifications
NX300h_OM_USA_OM78082U
Compact spare tire
Ti r e s i z eT165/80D17 104M
Spare tire inflation pressure
(Recommended cold tire
inflation pressure)
60 psi (420 kPa, 4.2 kgf/cm2 or bar)
Wheel size17 4 T
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)
Page 615 of 680
6159-1. Specifications
9
Vehicle specifications
NX300h_OM_USA_OM78082U
Light bulbs
Light bulbsBulb No.WTy p e
Exterior
HeadlightsHigh beam (halogen bulbs)
*900560A
Front side marker lights*W5W5C
Front turn signal lights (bulb
type)*585
(WY21W)21B
Rear turn signal lights585
(WY21W)21B
Back-up lights921
(W16W) 16C
InteriorVanity lights8C
Luggage compartment light5C
A: HB3 halogen bulbs
B: Wedge base bulbs (amber) C: Wedge base bulbs (clear)
*: If equipped
Page 616 of 680

6169-1. Specifications
NX300h_OM_USA_OM78082U
Fuel information
■Gasoline quality
In very few cases, driveability problems may be caused by the brand of gasoline you are
using. If driveability problems persist, try changing the brand of gasoline. If this does not
correct the problem, consult your Lexus dealer.
■Gasoline quality standards
●Automotive manufacturers in the U.S.A., Eu rope and Japan have developed a specifi-
cation for fuel quality called the World-Wi de Fuel Charter (WWFC), which is expected
to be applied worldwide.
●The WWFC consists of four cat egories that are based on required emission levels. In
the U.S., category 4 has been adopted.
●The WWFC improves air quality by lowering emissions in vehicle fleets, and improves
customer satisfaction through better performance.
■Recommendation of the use of gasoli ne containing detergent additives
●Lexus recommends the use of gasoline that contains detergent additives to avoid the
build-up of engine deposits.
●All gasoline sold in the U.S.A. contains minimum detergent additives to clean and/or
keep clean intake systems, per EPA’s lowest additives concentration program.
●Lexus strongly recommends the use of Top Ti er Detergent Gasoline. For more informa-
tion on Top Tier Detergent Gasoline and a list of marketers, please go to the official
website www.toptiergas.com.
You must only use unleaded gasoline in your vehicle.
Select octane rating 87 (Research Octane Number 91) or higher. Use of
unleaded gasoline with an octane rating lower than 87 may result in engine
knocking. Persistent knocking can lead to engine damage.
At minimum, the gasoline you use should meet the specifications of ASTM
D4814 in the U.S.A.