turn signal LEXUS NX300h 2021 User Guide

2244-5. Using the driving support systems
LEXUS NX300h Owners Manual_USA_M78578_en
steering assist function is operating.
Both outer sides of the lane are flashing:
Alerts the driver that their input is neces-
sary to stay in the center of the lane (lane
centering function).
Follow-up cruising display
Displayed when the mu
lti-information dis-
play is switched to the driving assist system
information screen.
Indicates that steering assist of the lane
centering function is operating by monitor-
ing the position of a preceding vehicle.
When the follow-up cruising display is dis-
played, if the preceding vehicle moves,
your vehicle may move in the same way.
Always pay careful attention to your sur-
roundings and operate the steering wheel
as necessary to correct the path of the
vehicle and ensure safety.
Lane departure alert function dis-
play
Displayed when the mu lti-information dis-
play is switched to the driving assist system
information screen.
Inside of displayed lines is white
Indicates that the system is recognizing
white (yellow) lines or a course
*. When
the vehicle departs from its lane, the
white line displayed on the side the
vehicle departs from flashes orange.
Inside of displayed lines is black
Indicates that the system is not able to
recognize white (yellow) lines or a
course
* or is temporarily canceled.
*: Boundary between asphalt and the side of the road, such as grass, soil, or a curb
■Operation conditions of each function
●Lane departure alert function
This function operates when all of the fol-
lowing conditions are met.
• LTA is turned on.
• Vehicle speed is approximately 32 mph (50 km/h) or more.
*1
• System recognizes white (yellow) lane
lines or a course*2. (When a white [yel-
low] line or course*2 is recognized on
only one side, the system will operate
only for the recognized side.)
• Width of traffic lane is approximately 9.8 ft. (3 m) or more.
• Turn signal lever is not operated.
• Vehicle is not being driven around a sharp curve.
• No system malfunctions are detected. ( P.226)
*1: The function operates even if the vehicle
speed is less than ap proximately 32 mph
(50 km/h) when the lane centering
function is operating.
*2: Boundary between asphalt and the side of the road, such as grass, soil, or a curb
●Steering assist function
This function operates when all of the fol-
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2254-5. Using the driving support systems
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Driving
lowing conditions are met in addition to the
operation conditions for the lane departure
alert function.
•Setting for “Steering Assist” in of the
multi-information display is set to “On”.
( P. 89)
• Vehicle is not accelerated or decelerated
by a fixed amount or more.
• Steering wheel is not operated with a
steering force level su itable for changing
lanes.
• ABS, VSC, TRAC and PCS are not oper-
ating.
• TRAC or VSC is not turned off.
• Hands off steering wheel warning is not displayed. ( P.226)
●Vehicle sway warning function
This function operates when all of the fol-
lowing conditions are met.
• Setting for “Sway Warning” in of the
multi-information display is set to “On”.
( P.89)
• Vehicle speed is approximately 32 mph
(50 km/h) or more.
• Width of traffic lane is approximately 9.8
ft. (3 m) or more.
• No system malfunctions are detected. ( P.226)
●Lane centering function
This function operates when all of the fol-
lowing conditions are met.
• LTA is turned on.
• Setting for “Steering Assist” and “Lane
Center” in of th e multi-information
display are set to “On”. ( P.89)
• This function recognizes white (yellow)
lane lines or the position of a preceding
vehicle (except when the preceding vehi-
cle is small, such as a motorcycle).
• The dynamic radar cruise control with full-speed range is operating in vehicle-
to-vehicle distance control mode.
• Width of traffic lane is approximately 10 to 13 ft. (3 to 4 m).
• Turn signal lever is not operated.
• Vehicle is not being driven around a sharp curve.
• No system malfunctions are detected. (
 P.226)
• Vehicle does not ac celerate or deceler-
ate by a fixed amount or more.
• Steering wheel is not operated with a steering force level su itable for changing
lanes.
• ABS, VSC, TRAC and PCS are not oper- ating.
• TRAC or VSC is not turned off.
• Hands off steering wheel warning is not
displayed. ( P.226)
• The vehicle is being driven in the center
of a lane.
• Steering assist function is not operating.
■Temporary cancelation of functions
●When operation condit ions are no longer
met, a function may be temporarily can-
celed. However, when the operation con-
ditions are met again, operation of the
function is automatically restored.
(  P.224)
●If the operation conditions ( P.224) are
no longer met while the lane centering
function is operating, the steering wheel
may vibrate and the buzzer may sound to
indicate that the function has been tem-
porarily canceled. Howe ver, if the “Alert”
customization setting is set to ,
the system will notify the driver by vibrat-
ing the steering whee l instead of sound-
ing the buzzer.
■Steering assist function/lane centering
function
●Depending on the vehicle speed, lane
departure situation, road conditions, etc.,
the driver may not feel the function is
operating or the function may not oper-
ate at all.
●The steering control of the function is
overridden by the driver’s steering wheel
operation.
●Do not attempt to test the operation of
the steering assist function.
■Lane departure alert function
●The warning buzzer may be difficult to
hear due to external noise, audio play-
back, etc. Also, it may be difficult to feel
steering wheel vibrations due to the road

2334-5. Using the driving support systems
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Driving
recognized side.)
• Width of traffic lane is approximately 9.8
ft. (3 m) or more.
• Turn signal lever is not operated.
• Vehicle is not being driven around a sharp curve.
• No system malfunctions are detected. ( P.234)
*: Boundary between asphalt and the side
of the road, such as grass, soil, or a curb
●Steering assist function
This function operates when all of the fol-
lowing conditions are me t in addition to the
operation conditions for the lane departure
alert function.
•Setting for “Steering Assist” in of the
multi-information display is set to “On”.
( P.89)
• Vehicle is not accelerated or decelerated
by a fixed amount or more.
• Steering wheel is not operated with a steering force level su itable for changing
lanes.
• ABS, VSC, TRAC and PCS are not oper- ating.
• TRAC or VSC is not turned off.
• Hands off steering wheel warning is not displayed. ( P.233)
●Vehicle sway warning function
This function operates when all of the fol-
lowing conditions are met.
• Setting for “Sway Warning” in of the
multi-information display is set to “On”.
( P.89)
• Vehicle speed is approximately 32 mph
(50 km/h) or more.
• Width of traffic lane is approximately 9.8
ft. (3 m) or more.
• No system malfunctions are detected. ( P.234)
■Temporary cancelation of functions
When operation conditions are no longer
met, a function may be temporarily can-
celed. However, when the operation condi-
tions are met again, operation of the
function is automatically restored.
(  P.232)
■Steering assist function
●Depending on the vehicle speed, lane
departure situation, road conditions, etc.,
the driver may not feel the function is
operating or the function may not oper-
ate at all.
●The steering control of the function is
overridden by the driver’s steering wheel
operation.
●Do not attempt to test the operation of
the steering assist function.
■Lane departure alert function
●The warning buzzer may be difficult to
hear due to external noise, audio play-
back, etc. Also, it may be difficult to feel
steering wheel vibrations due to the road
conditions, etc.
●If the edge of the course* is not clear or
straight, the lane departure alert function
may not operate.
●Do not attempt to test the operation of
the lane departure alert function.
*: Boundary between asphalt and the side
of the road, such as grass, soil, or a curb
■Hands off steering wheel warning
In the following situations, a warning mes-
sage urging the driver to hold the steering
wheel and the symbol sh own in the illustra-
tion are displayed on the multi-information
display to warn the dr iver.The warning stops
when the system determines that the driver
holds the steering wheel. Always keep your
hands on the steering wheel when using this
system, regardle ss of warnings.
●When the system determines that the
driver is driving with out holding the steer-
ing wheel while the sy stem is operating
If the driver continues to keep their hands
off of the steering wheel, the buzzer sounds,

2404-5. Using the driving support systems
LEXUS NX300h Owners Manual_USA_M78578_en
This mode employs a radar to detect the pr esence of vehicles up to approximately
328 ft. (100 m) ahead, determines the cu rrent vehicle-to-vehicle following dis-
tance, and operates to maintain a suitab le following distance from the vehicle
ahead. The desired vehicle-to-vehicle distance can also be set by operating the
vehicle-to-vehicle distance switch.
When driving on downhill slopes, the vehicl e-to-vehicle distance may become shorter.
Example of constant speed cruising
When there are no vehicles ahead
The vehicle travels at the speed set by the driver.
Example of deceleration cruising and follow-up cruising
When a preceding vehicle driving slower than the set speed appears
When a vehicle is detected running ahead of you, the system automatically decelerates
your vehicle. When a greater reduction in vehicle speed is necessary, the system applies
the brakes (the stop lights will come on at this time). The system will respond to changes in
the speed of the vehicle ahead in order to maintain the vehicle-to-vehicle distance set by
the driver. Approach warning warns you when th e system cannot decelerate sufficiently to
prevent your vehicle from closing in on the vehicle ahead.
When the vehicle ahead of you stops, your vehi cle will also stop (vehicle is stopped by sys-
tem control). After the vehicle ahead starts off, pushing the cruise control lever up or
depressing the accelerator pedal (start-off operation) will resume follow-up cruising. If the
start-off operation is not performed, system control continues to keep your vehicle
stopped.
When the turn signal lever is operated and yo ur vehicle moves to an overtaking lane while
driving at 50 mph (80 km/h) or more, the vehicle will accelerate to help to overtake a
passing vehicle.
Driving in vehicle-to-vehicle distance control mode
A
B

2414-5. Using the driving support systems
LEXUS NX300h Owners Manual_USA_M78578_en
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Driving
The system’s identification of what is an over taking lane may be determined solely based on
the location of the steering wheel in the vehicl e (left side driver position versus right side
driver position.) If the vehicle is driven to a re gion where the overtaking lane is on a different
side from where the vehicle is normally driven, the vehicle may accelerate when the turn
signal lever is operated in the opposite direction to the overtaking lane (e.g., if the driver
normally operates the vehicle in a region where the overtaking lane is to the right but then
drives to a region where the overtaking lane is to the left, the vehicle may accelerate when
the right turn signal is activated).
Example of acceleration
When there are no longer any preceding vehicles driving slower than the set
speed
The system accelerates until the set speed is re ached. The system then returns to constant
speed cruising.
1 Press the “ON/OFF” button to
activate the cruise control.
Dynamic radar cruise control indicator will
come on and a message will be displayed
on the multi-information display.
Press the button again to deactivate the
cruise control.
If the “ON/OFF” button is pressed and
held for 1.5 seconds or more, the system
turns on in constant speed control mode.
( P.244)
2 Accelerate or decelerate, with
accelerator pedal operation, to the
desired vehicle speed (at or above
approximately 20 mph [30 km/h]) and push the lever down to set the
speed.
Cruise control “SET”
indicator will come
on.
The vehicle speed at the moment the lever
is released beco mes the set speed.
To change the set speed, operate the
lever until the desired set speed is dis-
played.
C
Setting the vehicle speed (vehi-
cle-to-vehicle distance control
mode)
Adjusting the set speed

2634-5. Using the driving support systems
LEXUS NX300h Owners Manual_USA_M78578_en
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Driving
off. When the switch is set to on, the
switch’s indicator illuminates and the
buzzer sounds. This switch is for both Blind
Spot Monitor function and Rear Cross
Traffic Alert function.
BSM outside rear view mirror indi-
cators
Blind Spot Monitor function:
When a vehicle is detected in a blind spot
of the outside rear view mirrors or
approaching rapidly from behind into a
blind spot, the outside rear view mirror
indicator on the detected side will illumi-
nate. If the turn signal lever is operated
toward the detected side, the outside rear
view mirror indicator will flash.
Rear Cross Traffic Alert function:
When a vehicle approaching from the right
or left at the rear of the vehicle is detected,
both outside rear view mirror indicators
will flash.
Rear Cross Traffic Alert buzzer
(Rear Cross Traffic Alert function
only)
When a vehicle approaching from the right
or left rear of the vehicle is detected, a
buzzer sounds from behind the right-hand
rear seat.
Navigation/multimedia system
screen (Rear Cross Traffic Alert
function only)
If a vehicle approaching from the right or
left at the rear of the vehicle is detected,
the Rear Cross Traffic Alert icon ( P.267)
for the detected side will be displayed.
■The BSM outside rear view mirror indi-
cators visibility
When under strong sunlight, the BSM out-
side rear view mirror indicator may be diffi-
cult to see.
■Rear Cross Traffic Alert buzzer hearing
Rear Cross Traffic Alert function may be
difficult to hear over loud noises such as
high audio volume.
■When “Blind Spot Monitor Unavailable”
is shown on the multi-information dis-
play
Water, snow mud, etc., may be built up in
the vicinity of the sensor area of bumper.
(  P.265) Removing the water, snow, mud,
etc., from the vicinity of the sensor area
bumper should return it to normal. Also, the
sensor may not function normally when
used in extremely hot or cold weather.
■When “Blind Spot Monitor System Mal-
function Visit Your Dealer” is shown on
the multi-information display
There may be a sensor malfunction or volt-
age abnormality. Have the vehicle
inspected at a Lexus dealer.
B
C
D

3756-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manual_USA_M78578_en
6
Maintenance and care
P.349
Front side marker light (bulb type)
Front turn signal light (bulb type)
■Bulbs that need to be replaced by
the Lexus dealer
 Headlights
 Front turn signal lights (LED type)
 Parking lights and Daytime running
lights
 Front fog lights
 Front side marker lights (LED type)
 Side turn signal lights
 Stop/tail lights
 Rear side marker lights
 Back-up light
 Rear turn signal light
 High mounted stoplight
 License plate lights
 Outer foot lights
■LED lights
The lights other than the front side marker
lights (bulb type) and front turn signal lights
(bulb type) each consist of a number of
LEDs. If any of the LEDs burn out, take your
vehicle to your Lexus dealer to have the
light replaced.
■Condensation build-up on the inside of
the lens
Temporary condensation build-up on the
inside of the headlight lens does not indi-
cate a malfunction. Contact your Lexus
dealer for more information in the following
situations:
●Large drops of water have built up on the
inside of the lens.
●Water has built up inside the headlight.
■When replacing light bulbs
 P.372
Light bulbs
You may replace the following bulbs
by yourself.
The difficulty level of replacement
varies depending on the bulb. If
necessary bulb replacement seems
difficult to perform, contact your
Lexus dealer.
For more information about replac-
ing other light bulbs, contact your
Lexus dealer.
Removing the engine compart-
ment cover
Bulb locations
A
B

3766-3. Do-it-yourself maintenance
LEXUS NX300h Owners Manual_USA_M78578_en
Before replacing, check the wattage of
the light bulb to be replaced. ( P.431)
■Front side marker lights (bulb type)
1 Turn the bulb base counterclock-
wise.
2 Remove the light bulb.
3 When installing, reverse the steps
listed.
■Front turn signal lights (bulb type)
1 Open the hood and remove the
cover for engine compartment
cover. ( P.346, 349)
2 Remove the cover.
Push the center of the clip and remove the clip and cover .
3
Turn the bulb base counterclock-
wise.
4 Remove the light bulb.
5 Replace the light bulb.
Replacing light bulbs
A
B

3807-1. Essential information
LEXUS NX300h Owners Manual_USA_M78578_en
7-1.Essential information
Press the switch.
All the turn signal lights will flash. To turn
them off, press the switch once again.
■Emergency flashers
If the emergency flashers are used for a
long time while the hybrid system is not
operating (while the “READY” indicator is
not illuminated), the 12-volt battery may dis-
charge.
1 Steadily step on the brake pedal
with both feet and firmly depress it.
Do not pump the brake pedal repeatedly
as this will increase the effort required to
slow the vehicle.
2Shift the shift lever to N.
If the shift lever is shifted to N
3 After slowing down, stop the vehi-
cle in a safe place by the road.
4 Stop the hybrid system.
If the shift lever cannot be shifted to
N
3 Keep depressing the brake pedal
with both feet to reduce vehicle
speed as much as possible.
4 To stop the hybrid system, press
and hold the power switch for 2
consecutive seconds or more, or
Emergency flashers
The emergency flashers are used to
warn other drivers when the vehicle
has to be stopped in the road due to
a breakdown, etc.
Operating instructions
If your vehicle has to be
stopped in an emergency
Only in an emergency, such as if it
becomes impossible to stop the
vehicle in the normal way, stop the
vehicle using the following proce-
dure:
Stopping the vehicle

4318-1. Specifications
LEXUS NX300h Owners Manual_USA_M78578_en
8
Vehicle specifications
Compact spare tire
A: Wedge base bulbs (clear)
B: Wedge base bulbs (amber)
*:If equipped
Tire sizeT165/80D17 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 ft•lbf (103 N•m, 10.5 kgf•m)
Light bulbs
Light bulbsBulb No.WType
Exterior
Front side marker lights (bulb
type)W5W5A
Front turn signal lights (bulb
type)
*WY21W21B
InteriorVanity lights8A