
2164-5. Using the driving support systems
Use the meter control switches to turn 
on/off the function (P.79).
1
Press   or   to select  .
2
Press   or   to select   and 
then press “OK”.
WARNING
●Keep the sensors and the surrounding 
areas on the rear bumper clean at all 
times.
If a sensor or its surrounding area on the 
rear bumper is dirty or covered with 
snow, the Blind Spot Monitor may not 
operate and a warning message 
(  P.214) will be displayed. In this situa-
tion, clear off the dirt or snow and drive 
the vehicle with the operation conditions 
of the BSM function ( P.218) satisfied 
for approximately 10 minutes. If the 
warning message does not disappear, 
have the vehicle inspected by your Lexus 
dealer.
●Do not attach stickers to the sensor or 
surrounding area on the rear bumper.
●Do not subject a sensor or its sur-
rounding area on the rear bumper to a 
strong impact.
If a sensor is moved even slightly off posi-
tion, the system may malfunction and 
vehicles may not be detected correctly.
In the following situations, have your 
vehicle inspected by your Lexus dealer.
• A sensor or its surrounding area is  subject to a strong impact.
• If the surrounding area of a sensor is  scratched or dented, or part of them 
has become disconnected.
●Do not disassemb le the sensor.
●Do not modify the sensor or surround-
ing area on the rear bumper.
●Do not paint the rear bumper any 
color other than an official Lexus color.
Turning the Blind Spot Monitor 
on/off 

2174-5. Using the driving support systems
4
Driving
■Vehicles that can be detected by the Blind Spot Monitor
The Blind Spot Monitor uses rear side ra dar sensors to detect the following vehi-
cles traveling in adjacent lanes and advises the driver of the presence of such vehi-
cles via the indicators on th e outside rear view mirrors.
Vehicles that are traveling in areas that  are not visible using the outside rear 
view mirrors (the blind spots)
Vehicles that are approaching rapidly from  behind in areas that are not visible 
using the outside rear view mirrors (the blind spots)
■The Blind Spot Monitor detection areas
The areas that vehicles can be detected in are outlined below.
The range of each detection area is:
Approximately 1.6 ft. (0.5 m) to 11.5 ft.  (3.5 m) from either side of the vehicle*1
Approximately 3.3 ft. (1 m) forward of the rear bumper
Approximately 9.8 ft. (3 m) from the rear bumper
Approximately 9.8 ft. (3 m) to 19 7 ft. (60 m) from the rear bumper
*2
*1: The area between the side of the vehicle and  1.6 ft. (0.5 m) from the side of the vehicle 
cannot be detected.
Blind Spot Monitor operation
A
B
A
B
C
D 

2184-5. Using the driving support systems
*2: The greater the difference in speed between your vehicle and the detected vehicle is, the farther away the vehicle will be detected, causing the outside rear view mirror indi-
cator to illuminate or flash.
■The Blind Spot Monitor is operational 
when
The Blind Spot Monitor is operational when 
all of the following conditions are met:
●The Blind Spot Monitor is on.
●The shift lever is in a position other than R.
●The vehicle speed is greater than approx-
imately 10 mph (16 km/h).
■The Blind Spot Monitor will detect a 
vehicle when
The Blind Spot Monitor will detect a vehicle 
present in the detection area in the follow-
ing situations:
●A vehicle in an adj acent lane overtakes 
your vehicle.
●You overtake a vehicle in adjacent lane 
slowly.
●Another vehicle enters the detection 
area when it changes lanes.
■Conditions under wh ich the Blind Spot 
Monitor will not detect a vehicle
The Blind Spot Monitor is not designed to 
detect the following types of vehicles and/or 
objects:
●Small motorcycles, bicycles, pedestrians, 
etc.*
●Vehicles traveling in the opposite direc-
tion
●Guardrails, walls, signs, parked vehicles 
and similar stationary objects*
●Following vehicles th at are in the same 
lane*
●Vehicles traveling 2 lanes away from your 
vehicle*
●Vehicles which are being overtaken rap-
idly by your vehicle*
*
: Depending on the conditions, detection  of a vehicle and/or object may occur.
■Conditions under which the Blind Spot 
Monitor may not function correctly
●The Blind Spot Monitor may not detect 
vehicles correctly in the following situa-
tions:
• When the sensor is misaligned due to a 
strong impact to the sensor or its sur-
rounding area
• When mud, snow, ice, a sticker, etc. is 
covering the sensor or surrounding area 
on the rear bumper
• When driving on a road surface that is 
wet with standing  water during bad 
weather, such as heavy rain, snow, or fog
• When multiple vehicles are approaching 
with only a small gap between each vehi-
cle
• When the distance between your vehicle 
and a following vehicle is short
• When there is a significant difference in  speed between your vehicle and the vehi-
cle that enters the detection area
• When the difference in speed between  your vehicle and another vehicle is 
changing
• When a vehicle enters a detection area  traveling at about the same speed as your 
vehicle
• As your vehicle starts from a stop, a vehi- cle remains in the detection area
• When driving up and down consecutive  steep inclines,  such as hills, dips in the 
road, etc.
• When driving on roads with sharp bends,  consecutive curves, or uneven surfaces
• When vehicle lanes are wide, or when 
driving on the edge of a lane, and the 
vehicle in an adjacent lane is far away 
from your vehicle
• When an accessory (such as a bicycle  carrier) is installed to the rear of the vehi-
cle
• When there is a significant difference in 
height between your vehicle and the 
vehicle that enters the detection area
• Immediately after the Blind Spot Monitor 
is turned on
●Instances of the Blind Spot Monitor 
unnecessarily detecting a vehicle and/or  

2194-5. Using the driving support systems
4
Driving
object may increase in the following situ-
ations:
• When the sensor is misaligned due to a 
strong impact to the sensor or its sur-
rounding area
• When the distance between your vehicle 
and a guardrail, wall, etc. that enters the 
detection area is short
• When driving up an d down consecutive 
steep inclines, such as hills, dips in the 
road, etc.
• When vehicle lanes are narrow, or when 
driving on the edge of a lane, and a vehi-
cle traveling in a lane  other than the adja-
cent lanes enters the detection area
• When driving on roads with sharp bends,  consecutive curves, or uneven surfaces
• When the tires are slipping or spinning
• When the distance between your vehicle 
and a following vehicle is short
• When an accessory (such as a bicycle 
carrier) is installed to  the rear of the vehi-
cle
*: If equipped
■Intuitive parking assist
 P.220
■RCTA (Rear Cross Traffic Alert) 
function (if equipped)
 P.227
■Adjusting the buzzer volume
The buzzer volume can  be adjusted on 
the multi-information display. The vol-
ume of buzzers for the intuitive parking 
assist and RCTA function will be 
adjusted simultaneously.
Use the meter control switches to 
change settings. ( P.79)
1 Press   or   to select  .
2 Press   or   to select “PKSA” 
and then press “OK”.
PKSA (Parking Support 
Alert)*
The Parking Support Alert system 
consists of the following functions 
that operate when driving at a low 
speed or backing up, such as when 
parking. When the system deter-
mines that the possibility of a colli-
sion with a detected object, such as 
a wall is high, a warning operates to 
urge the driver to take evasive 
action.
PKSA (Parking Support Alert) 
system
Setting the buzzer volume 

2204-5. Using the driving support systems
3Press   or   to select   and 
then press “OK”.
Each time the switch is pressed, the volume 
level will change between 1, 2, and 3.
■Muting a buzzer temporarily
A mute button will be displayed on the 
multi-information display when an 
object or pedestrian is detected. To 
mute the buzzer, press “OK”. 
The buzzers for the intuitive parking 
assist and RCTA function will be muted 
simultaneously.
Mute will be canceled automatically in 
the following situations:
 When the shift lever is changed.
 When there is a malfunction in a 
sensor or the system is temporarily 
unavailable.
 When the operating function is dis-
abled manually.
 When the engine switch is turned 
off.
*: If equipped
■Types of sensors
Front corner sensors
Front center sensors
Rear corner sensors
Rear center sensors
■Display
When the sensors detect an object, 
such as a wall, a graphic is shown on 
the multi-information display, head-up 
display (if equipped) and Center Dis-
play (vehicles with 10.3-inch display 
model) depending on the position and 
distance to the object.
Intuitive parking assist*
The distance from your vehicle to 
objects, such as a wall, when paral-
lel parking or maneuvering into a 
garage is measured by the sensors 
and communicated via the multi-
information display, head-up dis-
play (if equipped), Center Display 
and a buzzer. Always check the sur-
rounding area when using this sys-
tem.
System components
A
B
C
D 

2214-5. Using the driving support systems
4
Driving
Multi-information display and head-
up display
Front corner sensor detection
Front center sensor detection
Rear corner sensor detection
Rear center sensor detection
 Center Display
A graphic is shown when the Lexus park-
ing assist monitor is displayed.
A simplified image is displayed on the 
Center Display when an  object is detected.
• When the shift lever is in R
• When the shift lever is in N, M or D
Use the meter control switches to 
enable/disable the intuitive parking 
assist. ( P.81)
1
Press   or   to select  .
2
Press   or   to select “PKSA” 
and then press “OK”.
3
Press   or   to select   and 
then press “OK”.
When the intuitive parking assist func-
tion is disabled, th e intuitive parking 
assist OFF indicator ( P.70) illumi-
nates on the multi-information display.
When the intuitive parking assist func-
tion is turned on or off, operation of the 
intuitive parking assist function contin-
ues in the same condition the next time 
the engine is started.
A
B
C
D
Turning intuitive parking assist 
on/off
WARNING
■When using the intuitive parking 
assist
Observe the following precautions. 
Failing to do so may result in the vehicle 
being unable to be driven safely and pos-
sibly cause an accident.
●Do not use the sensor at speeds in 
excess of 6 mph (10 km/h). 

2224-5. Using the driving support systems
■The system can be operated when
●The engine switch is in ON.
●Intuitive parking assist function is on.
●The vehicle speed is less than about 6 
mph (10 km/h).
●The shift lever is in a position other than P.
■Setting the buzzer volume
The buzzer volume can be adjusted on the 
multi-information display. ( P.219)
■If “Parking Assist Unavailable Clean 
Parking Assist Sensor” is displayed on 
the multi-information display
A sensor may be covered with ice, snow, 
dirt, etc. Remove the ice, snow, dirt, etc., 
from the sensor to return the system to nor-
mal.
Also, due to ice forming on a sensor at low 
temperatures, a warning message may be 
displayed or the sensor may not be able to 
detect an object. Once the ice melts, the 
system will return to normal.
■Sensor detection information
●The sensor’s detectio n areas are limited 
to the areas around the vehicle’s front and 
rear bumpers.
WARNING
●The sensors’ detection areas and reac-
tion times are limited. When moving 
forward or reversing, check the areas 
surrounding the vehicle (especially the 
sides of the vehicle) for safety, and 
drive slowly, using the brake to control 
the vehicle’s speed.
●Do not install accessories within the 
sensors’ detection areas.
●The area directly under the bumpers is 
not detected.
■When to disable the function
In the following situations, disable the 
function as it may operate even though 
there is no possibility of a collision.
●The vehicle is equipped with a fender 
pole or wireless antenna.
●The front or rear bu mper or a sensor 
receives a strong impact.
●A non-genuine Lexus suspension 
(lowered suspension, etc.) is installed.
●Towing eyelet is installed.
●A backlit license plate is installed.
■When using intuitive parking assist
In the following situations, the system 
may not function correctly due to a sen-
sor malfunction, etc. Have the vehicle 
checked by your Lexus dealer.
●The intuitive parking assist operation 
display flashes or shows continuously, 
and a beep sounds when no objects 
are detected.
●If the area around a sensor collides 
with something, or is subjected to 
strong impact.
●If the bumper or grille collides with 
something.
●If the display flashes or is displayed 
continuously and a buzzer does not 
sound, except when the mute function 
has been turned on.
●If a display error oc curs, first check the 
sensor. 
If the error occurs even when there is 
no ice, snow or mud on the sensor, it is 
likely that the sensor is malfunctioning.
■Notes when washing the vehicle
Do not apply intensive bursts of water or 
steam to the sensor area.
Doing so may result in the sensor mal-
functioning.
●When using a high pressure washer to 
wash the vehicle, do not spray the sen-
sors directly, as doing so may cause a 
sensor to malfunction.
●When using steam to clean the vehicle, 
do not direct steam too close to the 
sensors as doing so may cause a sen-
sor to malfunction. 

2234-5. Using the driving support systems
4
Driving
●The following situations may occur 
during use.
• Depending on the shape of the object 
and other factors, the detection distance 
may shorten, or detection may be impos-
sible.
• There will be a short delay between  object detection and display. Even at low 
speeds, there is a possibility that the 
object will come within the sensor’s 
detection areas before the display is 
shown and the warning beep sounds.
• It might be difficult to hear the buzzer due  to the volume of the audio system or air 
flow noise of the air conditioning system.
■Conditions under which the function 
may not function correctly
Certain vehicle conditions and the sur-
rounding environment may affect the ability 
of a sensor to correctly  detect objects. Par-
ticular instances where this may occur are 
listed below.
●There is dirt, snow or ice on a sensor. 
(Cleaning the sensors will resolve this 
problem.)
●A sensor is frozen. (Thawing the area will 
resolve this problem.) 
In especially cold weather, if a sensor is 
frozen the sensor display may be dis-
played abnormally, or objects, such as a 
wall, may not be detected.
●A sensor is covered in any way.
●When a sensor or the area around a sen-
sor is extremely hot or cold.
●On an extremely bumpy road, on an  incline, on gravel, or on grass.
●The vicinity of the vehicle is noisy due to 
vehicle horns, motorcycle engines, air 
brakes of large vehicles, or other loud 
noises producing ultrasonic waves.
●There is another vehicle equipped with 
parking assist sensors in the vicinity.
●A sensor is coated with a sheet of spray 
or heavy rain.
●If a sensor is hit by a large amount of 
water, such as when driving on a flooded 
road.
●If the vehicle is significantly tilted.
●The vehicle is approaching a tall or 
curved curb.
●If objects draw too close to the sensor.
■Objects which may not be properly 
detected
The shape of the object may prevent the 
sensor from detectin g it. Pay particular 
attention to the following objects:
●Wires, fences, ropes, etc.
●Cotton, snow and other materials that 
absorb sound waves
●Sharply-angled objects
●Low objects
●Tall objects with upper sections project-
ing outwards in the direction of your vehi-
cle
People may not be de tected if they are 
wearing certain types of clothing.
■Certification