2015 LEXUS NX300h Owners Manual

3134-5. Using the driving support systems
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Driving
NX300h_U_OM78007U ■
Situations in which the pre-collision system does not function properly
The system may not function effectively in situations such as the following:●
On roads with sharp bends or uneven surfaces ●
If a vehicle suddenly moves in front of your vehicle, such as at an intersection ●
If a vehicle suddenly cuts in front of your vehicle, such as when overtaking ●
In inclement weather such as heav y rain, fog, snow or sand storms●
When your vehicle is skidding with the VSC system off ●
When an extreme change in vehicle height occurs ●
When the radar sensor moves off position du e to its surrounding area being subjected
to a strong impact ●
Due to greatly turning the wheel when an obstacle suddenly appears ahead ■
Automatic cancelation of the pre-collision system
When a malfunction occurs due to sensor contamination, etc., that results in the sensors
being unable to detect obstacles, the pre-collision syst em will be automatically disabled.
In this case, the system will not activate even if there is a collision possibility.■
When there is a malfunction in the system, or if the system is temporarily unavailable
The PCS warning light flashes and a warning message is shown on the multi-information
display. If a warning message is shown on th e multi-information display, read the message
and follow the instructions. ■
When the TRAC and VSC are turned off ●
When the TRAC and VSC operations are turned off (  P. 307), the pre-collision brake
assist and pre-collision braking are also turned off. However, the alert function oper-
ates. ●
The PCS warning light turns on and the “V SC Turned Off Pre-Collision Brake System
Unavailable” is shown on the multi-information display. ■
Certification 
For vehicles sold in the U.S.A.
FCC ID: HYQDNMWR007
This device complies with part 15 of the FC C Rules. Operation is subject to the following
two conditions: (1) This device may not caus e harmful interference, and (2) this device
must accept any interference received, incl uding interference that may cause undesired
operation.
FCC WARNING
Changes or modifications not expressly approved by the party responsible for compli-
ance could void the user’s authority to operate the equipment.
Radio frequency radiation exposure Information:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment.
This equipment should be installed and operated with minimum distance of 20 cm
between the radiator (antenna) and your body.
This transmitter must not be co-located or operating in conjunction with any other
antenna or transmitter. 
For vehicles sold in Canada
This device complies with Industry Canada licence-exempt RSS standard(s).
Operation is subject to the following two co nditions: (1) this device may not cause inter-
ference, and (2) this device must accept any interference, including interference that
may cause undesired operation of the device.

314 4-5. Using the driving support systems
NX300h_U_OM78007U WA R N I N G ■
Limitations of the pre-collision system
It is the driver’s responsibility to drive safely. The driver should be aware of the sur-
roundings and strive for safe driving.
Do not rely on the pre-collision system inst ead of normal braking operations. This sys-
tem does not avoid or reduce collisions in every situation.
Overly relying on the system and entrusting it with safety may cause an unexpected
accident which could lead to death or serious injury.
Although the system is designed for the pu rpose to support in evading collisions or
reducing the damage of a collision, the effect changes according to various conditions.
(  P. 312) Therefore, it does not always provide the same performance. Also, the pre-
collision braking does not work depending on the operating conditions of the driver.
When the driver has stepped on the brake pedal and is operating the steering wheel,
the system judges that the driver is takin g evasive action and the automatic braking
may not operate. ■
Handling the radar sensor
Observe the following to ensure the pre-collision system can function effectively.
Otherwise, the system may not function correctly and could result in an accident. ●
Keep the sensor and front grille cover clean at all times.
Clean the sensor and front grille cover with a soft cloth so you do not mark or dam-
age them. ●
Do not subject the sensor or surr ounding area to a strong impact.
If the sensor moves even slightly off position, the system may not normally or malfunc-
tion. If the sensor or surrounding area is subject to a strong impact, always have the
area inspected and adjusted by your Lexus dealer. ●
Do not disassemble the sensor. ●
Do not attach accessories or stickers to the sensor, grille cover or surrounding area.●
Do not modify or paint the sensor and grille cover. ●
If the radar sensor needs to be re placed, contact your Lexus dealer.

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Driving
NX300h_U_OM78007U WA R N I N G ■
Cautions regarding the assist contents of the system
By means of alarms and brake control, the pre- collision system is in tended to assist the
driver in avoiding collisions through the process of LOOK-JUDGE-ACT. There are
limits to the degree of assistance the system can provide, so please keep in mind the
following important points. ●
Assisting the driver in watching the road
The pre-collision system is only able to detect obstacles directly in front of the vehicle,
and only within a limited range. It is not a mechanism that allows careless or inatten-
tive driving, and it is not a system that can assist the driver in low-visibility conditions. It
is still necessary for the driver to pay cl ose attention to the vehicle’s surroundings.●
Assisting the driver in making correct judgement
When attempting to estimate the possibility of a collision, the only data available to
the pre-collision system is that from obstacle s it has detected dire ctly in front of the
vehicle. Therefore, it is absolutely necess ary for the driver to remain vigilant and to
determine whether or not there is a possib ility of collision in any given situation.●
Assisting the driver in taking action
The pre-collision system’s braking assist feat ure is designed to help reduce the sever-
ity of a collision, and so only acts when the system has judged that a collision is
unavoidable. This system by itself, without the proper operations of the driver, is not
capable of automatically avoiding a collision or bringing the vehicle to a stop safely.
For this reason, when encountering a dangerous situation the driver must take direct
and immediate action in order to en sure the safety of all involved.

316 4-5. Using the driving support systems
NX300h_U_OM78007UBSM (Blind Spot Monitor) The Blind Spot Monitor is a system that has 2 functions; ●
The Blind Spot Monitor function
Assists the driver in making the decision when changing lanes ●
The Rear Cross Traffic Alert function
Assists the driver when backing up
These functions use the same sensors.
BSM main switch Pressing the switch turns the system on or of f. When the switch is set to on, the switch’s
indicator illuminates and the buzzer sounds. Th is switch is for both Blind Spot Monitor
function and Rear Cross Traffic Alert function.
BSM outside rear view mirror indicators Blind Spot Monitor function:
When a vehicle is detected in the blind spot , the BSM outside rear view mirror indica-
tor on the detected side illuminates. If the turn signal lever is operated when a vehicle
is in the blind spot, the BSM outside rear view mirror indicator flashes.
Rear Cross Traffic Alert function:
When a vehicle approaching from the right or left rear of the vehicle is detected, the
BSM outside rear view mirror indicators 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.
 : If equippedSummary of the Blind Spot Monitor
1
2
3

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Driving
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The BSM outside rear view mirror indicators visibility
When under strong sunlight, the BSM outside rear view mirror indicator may be difficult
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 display
Water, snow mud, etc., may be built up in the vicinity of the sensor area of bumper.
(  P. 318) 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 Malfunct ion” is shown on the multi-information
display
There may be a sensor malfunction or voltag e abnormality. Have the vehicle inspected at
a Lexus dealer. ■
Certification for the Blind Spot Monitor system 
For vehicles sold in the U.S.A.
FCC ID: OAYSRR2A
This device complies with part 15 of the FC C Rules. Operation is subject to the following
two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may
cause undesired operation.
FCC Warning
Changes or modifications not expressly approved by the party responsible for compli-
ance could void the user’s authority to operate the equipment. 
For vehicles sold in Canada
Applicable law: Canada 310
This device complies with Industry Canada licence-exempt RSS st andard(s). Operation
is subject to the following two conditions: (1) this device may not cause interference, and
(2) this device must accept any interference, including interference that may cause
undesired operation of the device.
Frequency bands: 24.05-24.25 GHz
Output power: less than 20 milliwatts

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NX300h_U_OM78007U WA R N I N G ■
Handling the radar sensor
One Blind Spot Monitor sensor is installed in side the left and right side of the vehicle
rear bumper respectively. Observe the following to ensure the Blind Spot Monitor sys-
tem can function correctly.
●
Do not subject the sensor or surrounding ar ea on the bumper to a strong impact. If
the sensor moves even slightly off position, the system may malfunction and vehicles
that enter the detection area may not be detected. If the sensor or surrounding area is
subject to a strong impact, always have the area inspected by your Lexus dealer. ●
Do not disassemble the sensor. ●
Do not attach accessories or stickers to the sensor or surrounding area on the
bumper. ●
Do not modify the sensor or su rrounding area on the bumper.●
Do not paint the sensor or surrounding area on the bumper. ●
Keep the sensor and its surrounding area on
the bumper clean at all times.

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Driving
NX300h_U_OM78007U The Blind Spot Monitor function uses radar sensors to detect vehicles that are
traveling in an adjacent lane in the area that is not reflected in the outside rear
view mirror (the blind spot), and advises the driver of the vehicles existence via
the BSM outside rear view mirror indicator.
The areas that vehicles can be detected in are outlined below.
The range of the detection area
extends to:
Approximately 11.5 ft. (3.5 m) from
the side of the vehicle The first 1.6 ft. (0.5 m) from the side of
the vehicle is not in the detection area
Approximately 9.8 ft. (3 m) from the
rear bumper
Approximately 3.3 ft. (1 m) forward
of the rear bumperThe Blind Spot Monitor function
The Blind Spot Monitor function detection areas 1
2
3
WA R N I N G ■
Cautions regarding the use of the system
The driver is solely responsible for safe driving. Always drive safely, taking care to
observe your surroundings.
The Blind Spot Monitor function is a supp lementary function which alerts the driver
that a vehicle is present in the blind spot. Do not overly rely on the Blind Spot Monitor
function. The function cannot judg e if it is safe to change lanes, therefore over reliance
could cause an accident resulting in death or serious injury.
According to conditions, the system may not function correctly. Therefore the driver’s
own visual confirmation of safety is necessary.

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The Blind Spot Monitor function is operational when ●
The BSM main switch is set to on ●
Vehicle speed is greater than approximately 10 mph (16 km/h). ■
The Blind Spot Monitor function will detect a vehicle when ●
A vehicle in an adjacent lane overtakes your vehicle. ●
Another vehicle enters the detection area when it changes lanes. ■
Conditions under which the Blind Spot Monitor function will not detect a vehicle
The Blind Spot Monitor function is not designed to detect the following types of vehicles
and/or objects: ●
Small motorcycles, bicycles, pedestrians, etc.
*●
Vehicles traveling in the opposite direction ●
Guardrails, walls, signs, parked vehi cles and similar stationary objects
*●
Following vehicles that are in the same lane
*●
Vehicles driving 2 lanes across from your vehicle
*
* : Depending on conditions, detection of a vehicle and/or object may occur. ■
Conditions under which the Bl ind Spot Monitor function may not function correctly●
The Blind Spot Monitor function may not dete ct vehicles correctly in the following con-
ditions:
• During bad weather such as heavy rain, fog, snow, etc.
• When ice or mud, etc., is attached to the rear bumper
• When driving on a road surface that is wet due to rain, standing water, etc.
• When there is a significant difference in speed between your vehicle and the vehicle
that enters the detection area
• When a vehicle is in the detection area from a stop and remains in the detection
area as your vehicle accelerates
• When driving up or down consecutive steep inclines, such as hills , a dip in the road,
etc.
• When multiple vehicles approach with only a small gap between each vehicle
• When vehicle lanes are wide, and the vehicle in the next lane is too far away from
your vehicle
• When the vehicle that enters the detection area is traveling at about the same speed
as your vehicle
• When there is a significant difference in height between your vehicle and the vehicle
that enters the detection area
• Directly after the BSM main switch is set to on ●
Instances of the Blind Spot Monitor function unnecessarily detecting a vehicle and/or
object may increase under the following conditions:
• When there is only a short distance between your vehicle and a guardrail, wall, etc.
• When there is only a short distance between your vehicle and a following vehicle
• When vehicle lanes are narrow and a vehicle driving 2 lanes across from your vehi-
cle enters the detection area
• When items such as a bicycle carrier ar e installed on the rear of the vehicle