2015 LEXUS NX300h Owners Manual

731-1. For safe use
1
For safety and security
NX300h_U_OM78007U ■
Laws and regulations pertaining to anchors
The LATCH system conforms to FMVSS225 or CMVSS210.2.
Child restraint systems conforming to FMVS S213 or CMVSS213 specifications can be
used.
This vehicle is designed to conform to SAE J1819.
■
Anchor brackets (for top tether strap)
Anchor brackets are provided for
each rear seat.
Use anchor brackets when fixing the
top strap. WA R N I N G ■
When installing a child restraint system
Observe the following precautions.
Failure to do so may result in death or serious injury.●
Shake the child restraint system left and right, and forward and backward to ensure
that it has been securely installed. ●
After securing a child restraint system, never adjust the seat. ●
When using the LATCH anchors, be sure that there are no foreign objects around the
anchors and that the seat belt is not caught behind the child restraint system.●
Follow all installation instructions provided by the child restraint system manufacturer.●
When securing some types of child restraint systems in rear seats, it may not be possi-
ble to properly use the seat belts in positi ons next to the child restraint without inter-
fering with it or affecting se at belt effectiveness. Be sure your seat belt fits snugly
across your shoulder and low on your hips. If it does not, or if it interferes with the child
restraint, move to a different position. Failur e to do so may result in death or serious
injury.
Using an anchor bracket (for top tether strap) Anchor
brackets Rear center seat
Outboard rear seats

74 1-1. For safe use
NX300h_U_OM78007U ■
Fixing the top tether strap to the anchor bracket
Install the child restraint system in accordance to the operation manual
enclosed with the child restraint system. 
Outboard rear seats
Adjust the head restraint to the
upmost position. If the head restraint interferes with
the child restraint system installation
and the head restraint can be
removed, remove the head restraint.
(  P. 1 5 8 )
Open the anchor bracket cover,
latch the hook onto the anchor
bracket and tighten the top tether
strap. Make sure the top tether strap is
securely latched.
When installing the child restraint
system with the head rest being
raised, be sure to have the top tether
strap pass underneath the head rest. 
Rear center seat
Adjust the head restraint to the
downmost position. If the head restraint interferes with
the child restraint system installation
and the head restraint can be
removed, remove the head restraint.
(  P. 1 5 8 ) 1
Hook
Top tether strap2
1

751-1. For safe use
1
For safety and security
NX300h_U_OM78007U Open the anchor bracket cover,
latch the hook onto the anchor
bracket and tighten the top tether
strap. Make sure the top tether strap is
securely latched.
When installing the child restraint
system with the head rest being
lower, be sure to have the top tether
strap pass over the top of the head
rest.■
Laws and regulations pertaining to anchors
The LATCH system conforms to FMVSS225 or CMVSS210.2.
Child restraint systems conforming to FMVS S213 or CMVSS213 specifications can be
used.
This vehicle is designed to conform to SAE J1819. Hook Top tether
strap2
WA R N I N G ■
When installing a child restraint system
Observe the following precautions.
Failure to do so may result in death or serious injury.●
Firmly attach the top tether strap and make sure that the belt is not twisted. ●
Do not attach the top tether strap to anything other than the anchor bracket. ●
Shake the child restraint system left and right, and forward and backward to ensure
that it has been securely installed. ●
After securing a child restraint system, never adjust the seat. ●
Follow all installation instructions provided by the child restraint system manufacturer.●
Outboard rear seats: When installing the child restraint system with the head rest
being raised, after the head rest has been raised and then the anchor bracket has
been fixed, do not lower the head rest. ●
Rear center seat: When insta lling the child restraint system with the head rest being
lowered, be sure to have the top tether strap pass over the top of the head rest. If the
belt passes below the head rest, it is possib le that the child restraint system may not be
securely fixed.
NOTICE ■
Anchor brackets (for top tether strap)
When not in use, make certain to close the lid. If it remains open, the lid may be dam-
aged.

76 1-1. For safe use
NX300h_U_OM78007UExhaust gas precautions Harmful substance to the human body are contained in exhaust gases if
inhaled. WA R N I N G
Exhaust gases contain harmful carbon monoxi de (CO), which is colorless and odorless.
Observe the following precautions.
Failure to do so may cause exhaust gases enter the vehicle and may lead to an accident
caused by light-headedness, or may lead to death or a serious health hazard. ■
Important points while driving ●
Keep the back door closed. ●
If you smell exhaust gases in the vehicle even when the back door is closed, open the
windows and have the vehicle inspected at your Lexus dealer as soon as possible. ■
When parking ●
If the vehicle is in a poorly ventilated area or a closed area, such as a garage, stop the
hybrid system. ●
Do not leave the vehicle with the hybrid system on for a long time.
If such a situation cannot be avoided, park the vehicle in an open space and ensure
that exhaust fumes do not enter the vehicle interior. ●
Do not leave the hybrid system operating in an area with snow build-up, or where it is
snowing. If snowbanks build up around the vehicle while the hybrid system is operat-
ing, exhaust gases may collect and enter the vehicle. ■
Exhaust pipe
The exhaust system needs to be checked periodically. If there is a hole or crack caused
by corrosion, damage to a joint or abnormal exhaust noise, be sure to have the vehicle
inspected and repaired by your Lexus dealer.

771-2. Hybrid system
1
For safety and security
NX300h_U_OM78007UHybrid system features
The illustration is an example for explanation and may differ from the actual item.
Gasoline engine
Front electric motor (traction motor)
Rear electric motor (traction motor)
*
* : AWD models onlyYour vehicle is a hybrid vehicle. It ha s characteristics different from conven-
tional vehicles. Be sure you are closely familiar with the characteristics of your
vehicle, and operate it with care.
The hybrid system combines the use of a gasoline engine and an electric
motor (traction motor) according to dr iving conditions, improving fuel effi-
ciency and reducing exhaust emissions.
1
2
3

78 1-2. Hybrid system
NX300h_U_OM78007U ◆ When stopped/during start off
The gasoline engine stops* when the vehi cle is stopped. During start off, the
electric motor (traction mo tor) drives the vehicle. At slow speeds or when
traveling down a gentle slope, the engi ne is stopped* and the electric motor
(traction motor) is used.
When the shift lever is in N, the hybrid battery (traction battery) is not being
charged. When the vehicle is stopped, always put the shift lever to P.
Also, even in heavy traffic conditions, drive the vehicle in D or S.
* : When the hybrid battery (traction battery) requires charging or the engine is warm-
ing up, etc., the gasoline engine will not automatically stop. (  P. 7 9 )
◆ During normal driving
The gasoline engine is predominantly used. The electric motor (traction
motor) charges the hybrid battery (traction battery) as necessary.
◆ When accelerating sharply
When the accelerator pedal is depressed heavily, the power of the hybrid bat-
tery (traction battery) is added to that of the gasoline engine via the electric
motor (traction motor).
◆ When braking (regenerative braking)
The wheels operate the electric motor (traction motor) as a power generator,
and the hybrid battery (tr action battery) is charged.
When driving with the gasoline engine stopped, a sound, which changes in
accordance with the driving speed, will be played in order to warn people
nearby of the vehicle’s approach. The sound will stop when the vehicle speed
exceeds approximately 15 mph (25 km/h).Vehicle proximity notification system

791-2. Hybrid system
1
For safety and security
NX300h_U_OM78007U ■
Regenerative braking
In the following situations, kinetic energy is converted to electric energy and decelera-
tion force can be obtained in conjunction with the recharging of the hybrid battery (trac-
tion battery). ●
The accelerator pedal is released while driving with the shift lever in D or S.●
The brake pedal is depressed while driv ing with the shift lever in D or S.■
EV indicator
■
Conditions in which the ga soline engine may not stop
The gasoline engine starts and stops automatically. However, it may not stop automati-
cally in the following conditions: ●
During gasoline engine warm-up ●
During hybrid battery (t raction battery) charging●
When the temperature of the hybrid battery (traction battery) is high or low ●
When the heater is switched on ■
Charging the hybrid battery (traction battery)
As the gasoline engine charges the hybrid battery (traction battery), the battery does not
need to be charged from an outside source. However, if the vehicle is left parked for a
long time the hybrid battery (traction battery) will slowly discharge. For this reason, be
sure to drive the vehicle at least once ever y few months for at least 30 minutes or 10
miles (16 km). If the hybrid battery (tractio n battery) becomes fully discharged and you
are unable to start the hybrid system, contact your Lexus dealer. ■
Charging the 12-volt battery
 P. 5 9 7 ■
After the 12-volt battery has discharged or when the terminal has been removed and
installed during exchange, etc.
The gasoline engine may not stop even if the ve hicle is being driven by the hybrid battery
(traction battery). If this continues for a few days, contact your Lexus dealer.The EV indicator comes on when the vehicle is
driven using only the electric motor (traction
motor) or the gasoline engine is stopped.

80 1-2. Hybrid system
NX300h_U_OM78007U ■
Sounds and vibrations spec ific to a hybrid vehicle
There may be no engine sound or vibration even though the vehicle is able to move with
the “READY” indicator is illuminated. For safety, make sure to shift the shift lever to P and
apply the parking brake when parked.
The following sounds or vibrat ions may occur when the hybrid system is operating and
are not a malfunction: ●
Motor sounds may be heard from the engine compartment. ●
Sounds may be heard from the hybrid battery (traction battery) behind the rear seats
when the hybrid system starts or stops. ●
Relay operating sounds such as a snap or soft clank will be emitted from the hybrid bat-
tery (traction battery), behind the rear seats, when the hybrid system is started or
stopped. ●
Sounds from the hybrid system may be heard when the back door is open. ●
Sounds may be heard from the transmission wh en the gasoline engine starts or stops,
when driving at low speeds, or during idling. ●
Engine sounds may be heard when accelerating sharply. ●
Sounds may be heard due to regenerative braking when the brake pedal is depressed
or as the accelerator pedal is released. ●
Vibration may be felt when the gasoline engine starts or stops.●
Cooling fan sounds may be heard from the air intake vents under the rear seats. ■
Vehicle proximity notification system
In the following cases, the ve hicle proximity notification system may be difficult for sur-
rounding people to hear. ●
In very noisy areas ●
In the wind or the rain
Also, as the vehicle proximity notification system is installed on the front of the vehicle, it
may be more difficult to hear from the re ar of the vehicle compared to the front.■
Maintenance, repair, re cycling, and disposal
Contact your Lexus dealer regarding maintenance, repair, recycling and disposal. Do
not dispose of the vehicle yourself. ■
Customization
Settings (e.g. on/off operation of the EV indicator) can be changed.
(Customizable features:  P. 6 3 3 )