LEXUS NX 300H (2019 year). Instruction - part 10


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LEXUS NX 300H (2019 year). Instruction - part 10




4-1. Before driving

LEXUS NX300h Owners Manu-


Cargo capacity depends on the total 
weight of the occupants.

(Cargo capacity) = (Total load capac-
ity) — (Total weight of occupants)
Steps for Determining Correct Load 

(1) Locate the statement “The com-
bined weight of occupants and cargo 
should never exceed XXX kg or XXX 
lbs.” on your vehicle’s placard.
(2) Determine the combined weight of 
the driver and passengers that will be 
riding in your vehicle.
(3) Subtract the combined weight of 
the driver and passengers from XXX 
kg or XXX lbs.
(4) The resulting figure equals the 
available amount of cargo and luggage 
load capacity.
For example, if the “XXX” amount 
equals 1400 lbs. and there will be five 
150 lb passengers in your vehicle, the 
amount of available cargo and luggage 
load capacity is 650 lbs. (1400 − 750 
(5 × 150) = 650 lbs.)
(5) Determine the combined weight of 
luggage and cargo being loaded on 
the vehicle. That weight may not safely 
exceed the available cargo and lug-
gage load capacity calculated in Step 
(6) If your vehicle will be towing a 
trailer, load from your trailer will be 
transferred to your vehicle. Consult 
this manual to determine how this 
reduces the available cargo and lug-
gage load capacity of your vehicle. 


Vehicles without towing package: 
Lexus does not recommend towing a 


Secure all items in the occupant com-


When using a roof luggage carrier 

(vehicles with roof rails)

Observe the following precautions:

Place the cargo so that its weight is dis-

tributed evenly between the front and 

rear axles.

If loading long or wide cargo, never 

exceed the vehicle overall length or 

width. (


Before driving, make sure the cargo is 

securely fastened on the roof luggage 


Loading cargo on the roof luggage 

carrier will make the center of gravity 

of the vehicle higher. Avoid high 

speeds, sudden starts, sharp turns, 

sudden braking or abrupt maneuvers, 

otherwise it may result in loss of con-

trol or vehicle rollover due to failure to 

operate this vehicle correctly and 

result in death or serious injury.

If driving for a long distance, on rough 

roads, or at high speeds, stop the vehi-

cle now and then during the trip to 

make sure the cargo remains in its 


Do not exceed 176.3 lb. (80 kg) cargo 

weight on the roof luggage carrier.


When loading cargo (vehicles with 

moon roof)

Do not set luggage on the moon roof. 

Failure to observe so may lead to cause 


Capacity and distribution


4-1. Before driving

LEXUS NX300h Owners Manu-




trailer with your vehicle. Your vehicle is 
not designed for trailer towing.

Cargo capacity
Total load capacity (vehicle capac-
ity weight) (


When 2 people with the combined 
weight of A lb. (kg) are riding in your 
vehicle, which has a total load capacity 
(vehicle capacity weight) of B lb. (kg), 
the available amount of cargo and lug-
gage load capacity will be C lb. (kg) as 



lb. (kg) − A


 lb. (kg) = C


 lb. (kg)


: A = Weight of people


: B = Total load capacity


: C = Available cargo and luggage load

In this condition, if 3 more passengers 
with the combined weight of D lb. (kg) 
get on, the available cargo and lug-
gage load will be reduced E lb. (kg) as 

C lb. (kg) − D


 lb. (kg) = E


 lb. (kg)


: D = Additional weight of people


: E = Available cargo and luggage load

As shown in the example above, if the 
number of occupants increases, the 
cargo and luggage load will be 
reduced by an amount that equals the 
increased weight due to the additional 
occupants. In other words, if an 
increase in the number of occupants 
causes an excess of the total load 
capacity (combined weight of occu-
pants plus cargo and luggage load), 
you must reduce the cargo and lug-
gage on your vehicle.


Capacity and distribution

Do not exceed the maximum axle 

weight rating or the total vehicle 

weight rating.

Even if the total load of occupant’s 

weight and the cargo load is less than 

the total load capacity, do not apply the 

load unevenly. Improper loading may 

cause deterioration of steering or 

braking control which may cause 

death or serious injury.

Calculation formula for your 



4-1. Before driving

LEXUS NX300h Owners Manu-


Total load capacity (vehicle capac-
ity weight):

Total load capacity means the com-
bined weight of occupants, cargo and 

Seating capacity: 5 occupants 
(Front 2, Rear 3)

Seating capacity means the maximum 
number of occupants whose esti-
mated average weight is 150 lb. (68 
kg) per person.

TWR (Trailer Weight Rating) (vehi-
cles with towing package):
P.163, 402

TWR means the maximum gross trailer 
weight (trailer weight plus its cargo 
weight) that your vehicle is able to tow.

TWR (Trailer Weight Rating) (vehi-
cles without towing package)

Lexus does not recommend towing a 
trailer with your vehicle.

Cargo capacity

Cargo capacity may increase or 
decrease depending on the weight and 
the number of occupants.

Total load capacity and seating capacity

These details are also described on the tire 

and loading information label. (


Vehicle load limits

Vehicle load limits include total 
load capacity, seating capacity, 
towing capacity and cargo capac-



Overloading the vehicle

Do not overload the vehicle.

It may not only cause damage to the tires, 

but also degrade steering and braking 

ability, resulting in an accident.


4-1. Before driving

LEXUS NX300h Owners Manu-




Contact your Lexus dealer for further 
information about additional require-
ments such as a towing kit, etc.

Matching trailer ball height to trailer 

coupler height

No matter which class of tow hitch applies, 

for a more safe trailer hookup, the trailer 

ball setup must be the proper height for the 

coupler on the trailer.


Trailer ball

Before towing

Check that the following conditions are 


Ensure that your vehicle’s tires are prop-

erly inflated. (


Trailer tires are inflated according to the 

trailer manufacturer’s recommendation.

All trailer lights work as required by law.

All lights work each time you connect 


The trailer ball is set at the proper height 

for the coupler on the trailer.

The trailer is level when it is hitched.

Do not drive if the trailer is not level, and 

check for improper tongue weight, over-

loading, worn suspension, or other possi-

ble causes.

The trailer cargo is securely loaded.

The rear view mirrors conform to all 

applicable federal, state/provincial or 

local regulations. If they do not, install 

rear view mirrors appropriate for towing 


Break-in schedule

If your vehicle is new or equipped with any 

new power train components (such as an 

engine, transmission, differential or wheel 

bearing), Lexus recommends that you do 

not tow a trailer until the vehicle has been 

Trailer towing (vehicles with 
towing package)

Your vehicle is designed primarily 
as a passenger-and-load-carrying 
vehicle. Towing a trailer can have an 
adverse impact on handling, per-
formance, braking, durability, and 
fuel consumption. For your safety 
and the safety of others, you must 
not overload your vehicle or trailer. 
You must also ensure that you are 
using appropriate towing equip-
ment, that the towing equipment 
has been installed correctly and 
used properly, and that you employ 
the requisite driving habits.

Vehicle-trailer stability and braking 
performance are affected by trailer 
stability, brake performance and 
setting, trailer brakes, the hitch and 
hitch systems (if equipped).
To tow a trailer safely, use extreme 
care and drive the vehicle in accor-
dance with your trailer’s character-
istics and operating conditions.
Lexus warranties do not apply to 
damage or malfunction caused by 
towing a trailer for commercial pur-



4-1. Before driving

LEXUS NX300h Owners Manu-


driven for over 500 miles (800 km).

After the vehicle has been driven for over 

500 miles (800 km), you can start towing. 

However, for the next 500 miles (800 km), 

drive the vehicle at a speed of less than 50 

mph (80 km/h) when towing a trailer, and 

avoid full throttle acceleration.


If you tow a trailer, your vehicle will 

require more frequent maintenance due 

to the additional load. (See “Warranty 

and Services Guide”, “Owner’s Manual 

Supplement” or “Scheduled Mainte-


Retighten the fixing bolts of the towing 

ball and bracket after approximately 600 

miles (1000 km) of trailer towing.

If trailer sway occurs

One or more factors (crosswinds, passing 

vehicles, rough roads, etc.) can adversely 

affect handling of your vehicle and trailer, 

causing instability.

If trailer swaying occurs:

• Firmly grip the steering wheel. Steer 

straight ahead.

Do not try to control trailer swaying by 

turning the steering wheel.

• Begin releasing the accelerator pedal 

immediately but very gradually to reduce 


Do not increase speed. Do not apply 

vehicle brakes.

If you make no extreme correction with the 

steering or brakes, your vehicle and trailer 

should stabilize.

After the trailer swaying has stopped:

• Stop in a safe place. Get all occupants 

out of the vehicle.

• Check the tires of the vehicle and the 


• Check the load in the trailer.

Make sure the load has not shifted.

Make sure the tongue weight is appropri-

ate, if possible.

• Check the load in the vehicle.

Make sure the vehicle is not overloaded 

after occupants get in.

If you cannot find any problems, the speed 

at which trailer swaying occurred is beyond 

the limit of your particular vehicle-trailer 

combination. Drive at a lower speed to pre-

vent instability. Remember that swaying of 

the towing vehicle-trailer increases as 

speed increases.


Trailer towing precautions

To tow a trailer safely, use extreme care 

and drive the vehicle in accordance with 

the trailer’s characteristics and operating 

conditions. Failure to do so could cause 

an accident resulting in death or serious 

injury. Vehicle stability and braking per-

formance are affected by trailer stability, 

brake setting and performance, and the 

hitch. Your vehicle will handle differently 

when towing a trailer.

To avoid accident or injury

Do not exceed the TWR, unbraked 


Adjust the tongue weight within the 

appropriate range. Place heavier loads 

as close to the trailer axle as possible.

Do not exceed 65 mph (104 km/h), 

the posted towing speed limit or the 

speed limit for your trailer as set forth 

in your trailer owner’s manual, which-

ever is lowest. Slow down sufficiently 

before making a turn, in cross winds, 

on wet or slippery surface, etc. to help 

avoid an accident. If you experience a 

vehicle-trailer instability from reduc-

ing a certain speed, slow down and 

make sure you keep your vehicle 

speed under the speed of which you 

experience the instability.

Do not make jerky, abrupt or sharp 


Do not apply the brakes suddenly as 

you may skid, resulting in jackknifing 

and loss of vehicle control. This is 

especially true on wet or slippery sur-


Do not exceed the trailer hitch assem-

bly weight, gross vehicle weight, gross 

axle weight and trailer tongue weight 



4-1. Before driving

LEXUS NX300h Owners Manu-




GCWR (Gross Combination 
Weight Rating)

The maximum allowable gross combi-
nation weight. The gross combination 
weight is the sum of the total vehicle 
weight (including the occupants, cargo 
and any optional equipment installed 
on the vehicle) and the weight of the 
trailer being towed (including the 
cargo in the trailer).

GVWR (Gross Vehicle Weight 

The maximum allowable gross vehicle 
weight. The gross vehicle weight is the 
total weight of the vehicle. When tow-
ing a trailer, it is the sum of the vehicle 
weight (including the occupants, cargo 


Do not use the dynamic radar cruise 

control system when trailer towing.

Slow down and downshift before 

descending steep or long downhill 

grades. Do not make sudden down-

shifts while descending steep or long 

downhill grades.

Vehicle-trailer instability is more likely 

on steep long downhills. Before 

descending steep or long downhill 

grades, slow down and downshift. Do 

not make sudden downshifts when 

descending steep or long downhill 

grades. Avoid holding the brake pedal 

down too long or applying the brakes 

too frequently. This could cause the 

brakes to overheat and result in 

reduced braking efficiency.

Do not tow a trailer when the compact 

spare tire is installed on your vehicle.

When towing a trailer

Lexus recommends trailers with brakes 

that conform to any applicable federal 

and state/provincial regulations.

If the gross trailer weight exceeds 

unbraked TWR, trailer brakes are 

required. Lexus recommends trailers 

with brakes that conform to all applica-

ble federal and state/provincial regula-


Never tap into your vehicle’s hydraulic 

system, as this will lower the vehicle’s 

braking effectiveness.

Never tow a trailer without using a 

safety chain securely attached to both 

the trailer and the vehicle. If damage 

occurs to the coupling unit or hitch 

ball, there is danger of the trailer wan-

dering into another lane.


When installing a trailer hitch

Use only the position recommended by 

your Lexus dealer. Do not install the 

trailer hitch on the bumper; this may 

cause body damage.

Do not directly splice trailer lights

Do not directly splice trailer lights. 

Directly splicing trailer lights may dam-

age your vehicle’s electrical system and 

cause a malfunction.

Towing related terms


4-1. Before driving

LEXUS NX300h Owners Manu-


and any optional equipment installed 
on the vehicle) and the tongue weight.

GAWR (Gross Axle Weight Rat-

The maximum allowable gross axle 
weight. The gross axle weight is the 
load placed on each axle (front and 

Front GAWR

TWR (Trailer Weight Rating)

The maximum allowable gross trailer 
weight. The gross trailer weight is the 
sum of the trailer weight and the weight 
of the cargo in the trailer.
TWR is calculated assuming base vehi-
cle with one driver, one front passen-

ger, towing package (if available), hitch 
and hitch systems (if required).

Additional optional equipment, passengers 
and cargo in the vehicle will reduce the 
trailer weight rating so as not to exceed 

With brakes

Unbraked TWR (Unbraked Trailer 
Weight Rating)

The trailer weight rating for towing a 
trailer without a trailer service brake 

Without brakes

Tongue Weight

The load placed on the trailer hitch ball. 






4-1. Before driving

LEXUS NX300h Owners Manu-




 The gross trailer weight must never 

exceed 1500 lb. (685 kg).

 The gross combination weight must 

never exceed 6835 lb. (3100 kg).

 The gross vehicle weight must never 

exceed the GVWR indicated on the 
Certification Label.

 The gross axle weight on each axle 

must never exceed the GAWR indi-
cated on the Certification Label.

 If the gross trailer weight is over the 

unbraked TWR, trailer service 
brakes are required.

Confirm that the gross trailer weight, 
gross combination weight, gross vehi-

cle weight, gross axle weight and 
tongue weight are all within the limits.



6835 lb. (3100 kg)



1500 lb. (685 kg).

Unbraked TWR


1000 lb. (450 kg)


: These models meet the tow-vehicle trail-

ering requirement of SAE International 
per SAE J2807.

 A recommended tongue weight 

varies in accordance with the types 
of trailers or towing as described 

 To ensure the recommended values 

shown below, the trailer must be 
loaded by referring to the following 

• Tongue  Weight
The gross trailer weight should be distrib-
uted so that the tongue weight is 9% to 
(Tongue weight /Gross trailer weight x 100 
= 9% to 11%)
The gross trailer weight, gross axle weight 
and tongue weight can be measured with 
platform scales found at a highway weigh-
ing station, building supply company, 
trucking company, junk yard, etc.

Weight limits

GCWR, TWR and Unbraked 

Trailer Tongue Weight


4-1. Before driving

LEXUS NX300h Owners Manu-


Gross trailer weight
Tongue weight

Trailer hitch assemblies have different 
weight capacities. Lexus recommends 
the use of Lexus hitch/bracket for your 
vehicle. For details, contact your Lexus 
 If you wish to install a trailer hitch, 

contact your Lexus dealer.

 Use only a hitch that conforms to 

the gross trailer weight requirement 
of your vehicle.

 Follow the directions supplied by the 

hitch manufacturer.

 Lubricate the hitch ball with a light 

coating of grease.

 Remove the trailer hitch whenever 

you are not towing a trailer. After 
removing the hitch, seal any mount-
ing hole in the vehicle body to pre-
vent entry of any substances into the 

Weight carrying ball position:
42.1 in. (1069.9 mm)
Hitch receiver pin hole position:
33.7 in. (855.6 mm)

Please consult your dealer when 
installing trailer lights, as incorrect 
installation may cause damage to the 
vehicle’s lights. Please take care to 
comply with your state’s laws when 
installing trailer lights.





Trailer hitch assemblies have different 

weight capacities established by the hitch 

manufacturer. Even though the vehicle 

may be physically capable of towing a 

higher weight, the operator must deter-

mine the maximum weight rating of the 

particular hitch assembly and never 

exceed the maximum weight rating 

specified for the trailer-hitch. Exceeding 

the maximum weight rating set by the 

trailer-hitch manufacturer can cause an 

accident resulting in death or serious 

personal injuries.

Positions for towing hitch 
receiver and hitch ball

Connecting trailer lights




4-1. Before driving

LEXUS NX300h Owners Manu-




Your vehicle will handle differently 
when towing a trailer. Help to avoid an 
accident, death or serious injury, keep 
the following in mind when towing:
 Speed limits for towing a trailer vary 

by state or province. Do not exceed 
the posted towing speed limit.

 Lexus recommends that the vehicle-

trailer speed limit is 65 mph (104 
km/h) on a flat, straight, dry road. 
Do not exceed this limit, the posted 
towing speed limit or the speed limit 
for your trailer as set forth in your 
trailer owner’s manual, whichever is 
lowest. Instability of the towing vehi-
cle-trailer combination (trailer 
sway) increases as speed increases. 
Exceeding speed limits may cause 
loss of control.

 Before starting out, check the trailer 

lights, tires and the vehicle-trailer 
connections. Recheck after driving 
a short distance.

 Practice turning, stopping and 

reversing with the trailer attached in 
an area away from traffic until you 
become accustomed to the feel of 
the vehicle-trailer combination.

 Reversing with a trailer attached is 

difficult and requires practice. Grip 
the bottom of the steering wheel 
and move your hand to the left to 
move the trailer to the left. Move 
your hand to the right to move the 
trailer to right. (This is generally 
opposite to reversing without a 
trailer attached.) Avoid sharp or 

prolonged turning. Have someone 
guide you when reversing to reduce 
the risk of an accident.

 As stopping distance is increased 

when towing a trailer, vehicle-to 
vehicle distance should be 
increased. For each 10 mph (16 km/
h) of speed, allow at least one vehi-
cle and trailer length.

 Avoid sudden braking as you may 

skid, resulting in the trailer jackknif-
ing and a loss of vehicle control. This 
is especially true on wet or slippery 

 Avoid jerky starts or sudden accel-


 Avoid jerky steering and sharp 

turns, and slow down before making 

 Note that when making a turn, the 

trailer wheels will be closer than the 
vehicle wheels to the inside of the 
turn. Compensate by making a 
wider than normal turning radius.

 Slow down before making a turn, in 

cross winds, on wet or slippery sur-
faces, etc.
Increasing vehicle speed can desta-
bilize the trailer.

 Take care when passing other vehi-

cles. Passing requires considerable 
distance. After passing a vehicle, do 
not forget the length of your trailer, 
and be sure you have plenty of room 
before changing lanes.

 To maintain engine braking effi-

ciency and charging system perfor-
mance when using engine braking, 

Trailer towing tips


4-1. Before driving

LEXUS NX300h Owners Manu-


do not put the transmission in D. 


 Instability happens more frequently 

when descending steep or long 
downhill grades. Before descend-
ing, slow down and downshift. Do 
not make sudden downshifts while 
descending steep or long downhill 

 Avoid holding the brake pedal down 

too long or applying the brakes too 
frequently. This could cause the 
brakes to overheat and result in 
reduced braking efficiency.

 Due to the added load of the trailer, 

your vehicle’s engine may overheat 
on hot days (at temperatures over 
85°F [30°C]) when driving up a 
long or steep grade. If the engine 
coolant temperature gauge indi-
cates overheating, immediately turn 
off the air conditioning (if in use), 
pull your vehicle off the road and 
stop in a safe spot. (


 Always place wheel blocks under 

both the vehicle’s and the trailer’s 
wheels when parking. Put the trans-
mission in P and apply the parking 
brake. Avoid parking on a slope, but 
if unavoidable, do so only after per-
forming the following:


Apply the brakes and keep them 


Have someone place wheel blocks 
under both the vehicle’s and trailer’s 


When the wheel blocks are in 
place, release the brakes slowly 
until the blocks absorb the load.


Shift into P and apply the parking 


Turn off the hybrid system.

 When restarting after parking on a 



With the transmission in P, start the 
hybrid system. Be sure to keep the 
brake pedal depressed.


Shift into a forward gear. If revers-
ing, shift into R.


If the parking brake is in manual 
mode, release the parking brake. 



Release the brake pedal, and slowly 
pull or back away from the wheel 
blocks. Stop and apply the brakes.


Have someone retrieve the blocks.


4-1. Before driving

LEXUS NX300h Owners Manu-




Trailer towing (vehicles with-
out towing package)

Lexus does not recommend towing 
a trailer with your vehicle. Lexus 
also does not recommend the 
installation of a tow hitch or the use 
of a tow hitch carrier for a wheel-
chair, scooter, bicycle, etc. Your 
vehicle is not designed for trailer 
towing or for the use of tow hitch 
mounted carriers.

Dinghy towing

Your vehicle is not designed to be 
dinghy towed (with 4 wheels on the 
ground) behind a motor home.


To avoid serious damage to your vehi-


Do not tow your vehicle with the four 

wheels on the ground.

To prevent causing serious damage to 

the hybrid transmission and AWD 


Never tow this vehicle with any of the 

wheels on the ground. This may cause 

serious damage to the hybrid transmis-

sion and AWD system.


4-2. Driving procedures

LEXUS NX300h Owners Manu-


4-2.Driving procedures


Check that the parking brake is set.


Check that the shift lever is in P.


Firmly depress the brake pedal.

 and a message will be displayed on the 

multi-information display.

If it is not displayed, the hybrid system can-

not be started.


Press the power switch shortly and 

When operating the power switch, one 

short, firm press is enough.

It is not necessary to press and hold the 

If the “READY” indicator turns on, the 

hybrid system will operate normally.

Continue depressing the brake pedal until 

the “READY” indicator is illuminated.

The hybrid system can be started from any 

power switch mode.


Check that the “READY” indicator 
is illuminated.

The vehicle will not move when the 

“READY” indicator is off.

If the hybrid system does not start

The immobilizer system may not have 

been deactivated. (


Contact your Lexus dealer.

Check that the shift lever is securely set in 

P. The hybrid system may not start if the 

shift lever is displaced out of P. “To Start 

Vehicle, Put Shift Lever into P” will be dis-

played on the multi-information display.

The smart access system with push-but-

ton start may not be operating prop-



When the ambient temperature is low, 

such as during winter driving conditions

When starting the hybrid system, the flash-

ing time of the “READY” indicator may be 

long. Leave the vehicle as it is until the 

“READY” indicator is steady on, as steady 

means the vehicle is able to move.

Sounds and vibrations specific to a 

hybrid vehicle


Electronic key battery depletion


Conditions affecting operation


Note for the entry function


Steering lock function

After turning the power switch off and 

opening and closing the doors, the steer-

ing wheel will be locked due to the steer-

ing lock function. Operating the power 

switch again automatically cancels the 

steering lock.

When the steering lock cannot be 

released, “Steering Wheel Lock Press 

Power Switch while Turning Wheel” will 

be displayed on the multi-information dis-


Power (ignition) switch

Performing the following opera-
tions when carrying the electronic 
key on your person starts the hybrid 
system or changes power switch 

Starting the hybrid system


4-2. Driving procedures

LEXUS NX300h Owners Manu-




Check that the shift lever is in P. Press the 

power switch while turning the steering 

wheel left and right.

To prevent the steering lock motor from 

overheating, operation of the motor may 

be suspended if the hybrid system is 

turned on and off repeatedly in a short 

period of time. In this case, refrain from 

operating the hybrid system. After about 

10 seconds, the steering lock motor will 

resume functioning.

If “Smart Access System Malfunction 

See Owner’s Manual” is displayed on 

the multi-information display

The system may be malfunctioning. Have 

the vehicle inspected by your Lexus dealer 


If the “READY” indicator does not come 


In the event that the “READY” indicator 

does not come on even after performing 

the proper procedures for starting the vehi-

cle, contact your Lexus dealer immediately.

If the hybrid system is malfunctioning


Electronic key battery


Operation of the power switch

If the switch is not pressed shortly and 

firmly, the power switch mode may not 

change or the hybrid system may not 


If attempting to restart the hybrid system 

immediately after turning the power 

switch off, the hybrid system may not start 

in some cases. After turning the power 

switch off, please wait a few seconds 

before restarting the hybrid system.

Customizable functions



Stop the vehicle completely.


Set the parking brake (


and shift the shift lever to P 



Press the power switch.


When starting the hybrid system

Always start the hybrid system while sit-

ting in the driver’s seat. Do not depress 

the accelerator pedal while starting the 

hybrid system under any circumstances.

Doing so may cause an accident result-

ing in death or serious injury.

Caution while driving

If hybrid system failure occurs while the 

vehicle is moving, do not lock or open the 

doors until the vehicle reaches a safe and 

complete stop. The steering lock func-

tion will activate and this may lead to an 

accident, resulting in death or serious 



When starting the hybrid system

If the hybrid system becomes difficult to 

start, have your vehicle checked by your 

Lexus dealer immediately.


Symptoms indicating a malfunction 

with the power switch

If the power switch seems to be operat-

ing somewhat differently than usual, such 

as the switch sticking slightly, there may 

be a malfunction. Contact your Lexus 

dealer immediately.

Stopping the hybrid system


4-2. Driving procedures

LEXUS NX300h Owners Manu-



Release the brake pedal and check 
that the display on the instrument 
cluster is off.

Modes can be changed by pressing 
the power switch with brake pedal 
released. (The mode changes each 
time the switch is pressed.)




The emergency flashers can be used.



Some electrical components such as the 
audio system can be used.
“ACCESSORY” will be displayed on the 
multi-information display.


ON mode

All electrical components can be used. 
“IGNITION ON” will be displayed on the 
multi-information display.


: If the shift lever is in a position other than 

P when turning off the hybrid system, the 
power switch will be turned to ACCES-
SORY mode, not to off.

Auto power off function

If the vehicle is left in ACCESSORY mode 

for more than 20 minutes or ON mode (the 

hybrid system is not operating) for more 

than an hour with the shift lever in P, the 

power switch will automatically turn off. 

However, this function cannot entirely pre-

vent 12-volt battery discharge. Do not leave 

the vehicle with the power switch in 

ACCESSORY or ON mode for long peri-


Stopping the hybrid system in an 


If you want to stop the hybrid system in an 

emergency while driving the vehicle, 

press and hold the power switch for more 

than 2 seconds, or press it briefly 3 times 

or more in succession. (


However, do not touch the power switch 

while driving except in an emergency. 

Turning the hybrid system off while driv-

ing will not cause loss of steering or brak-

ing control, however, power assist to the 

steering will be lost. This will make it 

more difficult to steer smoothly, so you 

should pull over and stop the vehicle as 

soon as it is safe to do so.

Changing power switch modes


4-2. Driving procedures

LEXUS NX300h Owners Manu-




ods of time when the hybrid system is not 


When stopping the hybrid system with 

the shift lever in a position other than P

If the hybrid system is stopped with the shift 

lever in a position other than P, the power 

switch will not be turned off but instead be 

turned to ACCESSORY mode. Perform 

the following procedure to turn the switch 



Check that the parking brake is set.


Shift the shift lever to P.


Check that “Turn Off Vehicle” is dis-

played on the multi-information display 

and then press the power switch once.


Check that “Turn Off Vehicle” on the 

multi-information display is off.

Turns EV drive mode on/off

When EV drive mode is turned on, the EV 
drive mode indicator will come on.
Pressing the switch when in EV drive mode 
will return the vehicle to normal driving 
(using the gasoline engine and electric 
motor [traction motor]).

Situations in which EV drive mode can-

not be turned on

It may not be possible to turn EV drive 

mode on in the following situations. If it can-

not be turned on, a buzzer will sound and a 

message will be shown on the multi-infor-

mation display.

The temperature of the hybrid system is 


The vehicle has been left in the sun, 


To prevent 12-volt battery discharge

Do not leave the power switch in 

ACCESSORY or ON mode for long 

periods of time without the hybrid sys-

tem on.


ON” is displayed on the multi-informa-

tion display while the hybrid system is 

not operating, the power switch is not 

off. Exit the vehicle after turning the 

power switch off.

Do not stop the hybrid system when 

the shift lever is in a position other than 

P. If the hybrid system is stopped in 

another shift lever position, the power 

switch will not be turned off but instead 

be turned to ACCESSORY mode. If 

the vehicle is left in ACCESSORY 

mode, 12-volt battery discharge may 


EV drive mode

In EV drive mode, electric power is 
supplied by the hybrid battery 
(traction battery), and only the 
electric motor (traction motor) is 
used to drive the vehicle.
This mode allows you to drive in res-
idential areas early in the morning 
and late at night, or in indoor park-
ing lots, etc., without concern for 
noises and gas emissions.

Operating instructions








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