Toyota Prius Prime (2022 year). Manual in english — page 27
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D
■
The Blind Spot Monitor function is operational when
●
The BSM system 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.
●
You overtake a vehicle in adjacent lane slowly.
●
Another vehicle enters the detection area when it changes lanes.
■
Conditions under which the system 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 vehicles and similar stationary objects
*
●
Following vehicles that are in the same lane
*
●
Vehicles driving 2 lanes across from your vehicle
*
●
Vehicles which are being overtaken rapidly by your vehicle
*
*
: Depending on conditions, detection of a vehicle and/or object may occur.
WARNING
■
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 supplementary 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 judge 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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5-5. Using the driving support systems
■
Conditions under which the system may not function correctly
●
The Blind Spot Monitor function may not detect vehicles correctly in the fol-
lowing situations:
• When the sensor is misaligned due to a strong impact to the sensor or its
surrounding area
• When mud, snow, ice, a sticker, etc. is covering the sensor or surround-
ing 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 vehicle
• 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 vehicle 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 vehicle 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 a bicycle carrier or other accessory is installed to the rear of the
vehicle
• 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 function is turned on
●
Instances of the Blind Spot Monitor function unnecessarily detecting a vehi-
cle and/or object may increase in the following situations:
• When the sensor is misaligned due to a strong impact to the sensor or its
surrounding area
• When the distance between your vehicle and a guardrail, wall, etc. that
enters the detection area is short
• When driving up and 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 vehicle traveling in a lane other than the adjacent 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 a bicycle carrier or other accessory is installed to the rear of the
vehicle
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The Rear Cross Traffic Alert functions when your vehicle is in reverse.
It can detect other vehicles approaching from the right or left rear of
the vehicle. It uses radar sensors to alert the driver of the other vehi-
cle’s existence through flashing the outside rear view mirror indicators
and sounding a buzzer.
The Rear Cross Traffic Alert function
IO55PH087
Approaching vehicles
Detection areas
WARNING
■
Cautions regarding the use of the system
There is a limit to the degree of recognition accuracy and control perfor-
mance that this system can provide, do not overly rely on this system. The
driver is always responsible for paying attention to the vehicle’s surround-
ings and driving safely. (
■
To ensure the system can operate properly
1
2
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5-5. Using the driving support systems
The areas that vehicles can be detected in are outlined below.
To give the driver a more consistent time to react, the buzzer can alert
for faster vehicles from farther away.
Example:
■
The Rear Cross Traffic Alert function is operational when
●
The BSM system is set to on. (
●
The shift position is in R.
●
Vehicle speed is less than approximately 5 mph (8 km/h).
●
Approaching vehicle speed is between approximately 5 mph (8 km/h) and
18 mph (28 km/h).
The Rear Cross Traffic Alert function detection areas
IO55PH088
Approaching vehicle
Speed
Approximate
alert distance
Fast
18 mph (28 km/h)
65 ft. (20 m)
Slow
5 mph (8 km/h)
18 ft. (5.5 m)
1
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■
Conditions under which the system will not detect a vehicle
The Rear Cross Traffic Alert function is not designed to detect the following
types of vehicles and/or objects:
●
Vehicles approaching from directly behind
●
Vehicles backing up in a parking space next to your vehicle
●
Guardrails, walls, signs, parked vehicles and similar stationary objects
*
●
Small motorcycles, bicycles, pedestrians, etc.
*
●
Vehicles moving away from your vehicle
●
Vehicles approaching from the parking spaces next to your vehicle
*
●
The distance between the sensor and approaching vehicle gets too close
*
: Depending on the conditions, detection of a vehicle and/or object may
occur.
■
Situations in which the system may not operate properly
The Rear Cross Traffic Alert function may not detect vehicles correctly in the
following situations:
●
When the sensor is misaligned due to a strong impact to the sensor or its
surrounding area
●
When mud, snow, ice, a sticker, etc. is covering the sensor or surrounding
area on the position above 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 vehicle
●
When a vehicle is approaching at high speed
●
When equipment that may obstruct a sensor is installed, such as a towing
eyelet, bumper protector (an additional trim strip, etc.), bicycle carrier, or
snow plow
●
Vehicles that the sensors cannot detect
due to obstructions
IO55PH089
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5-5. Using the driving support systems
●
When towing a trailer
●
When there is a significant difference in height between your vehicle and the
vehicle that enters the detection area
●
When a sensor or the area around a sensor is extremely hot or cold
●
If the suspension has been modified or tires of a size other than specified
are installed
●
If the front of the vehicle is raised or lowered due to the carried load
●
When backing up on a slope with a
sharp change in grade
●
When backing out of a sharp angle park-
ing spot
●
When turning while backing up
●
When a vehicle turns into the detection
area
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■
Situations in which the system may operate even if there is no possibil-
ity of a collision
Instances of the Rear Cross Traffic Alert function unnecessarily detecting a
vehicle and/or object may increase in the following situations:
●
When equipment that may obstruct a sensor is installed, such as a towing
eyelet, bumper protector (an additional trim strip, etc.), bicycle carrier, or
snow plow
●
When there are spinning objects near your vehicle such as the fan of an air
conditioning unit
●
When water is splashed or sprayed toward the rear bumper, such as from a
sprinkler
●
Moving objects (flags, exhaust fumes, large rain droplets or snowflakes, rain
water on the road surface, etc.)
●
When the parking space faces a street
and vehicles are being driven on the
street
●
When the distance between your vehicle
and metal objects, such as a guardrail,
wall, sign, or parked vehicle, which may
reflect electrical waves toward the rear
of the vehicle, is short
●
When a vehicle passes by the side of
your vehicle
●
When a detected vehicle turns while
approaching the vehicle
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5-5. Using the driving support systems
●
When the distance between your vehicle and a guardrail, wall, etc., that
enters the detection area is short
●
Gratings and gutters
●
When a sensor or the area around a sensor is extremely hot or cold
●
If the suspension has been modified or tires of a size other than specified
are installed
●
If the front of the vehicle is raised or lowered due to the carried load
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Intuitive parking assist
Front corner sensors
Front center sensors
Rear corner sensors
Rear center sensors
Front side sensors
Rear side sensors
The intuitive parking assist can be
enabled/disabled on the
screen (
P. 246) of the multi-
information display.
When on is selected, intuitive park-
ing assist indicator will come on.
Once off is selected, the intuitive parking assist will not return to on until it
is turned to on by the
screen of multi-information display again. (The
system does not automatically return to on even when the hybrid system is
restarted.)
: If equipped
The distance from your vehicle to nearby obstacles when paral-
lel parking or maneuvering into a garage is measured by the
sensors and communicated via the displays and a buzzer.
Always check the surrounding area when using this system.
Types of sensors
1
2
3
4
5
6
Turning the intuitive parking assist on/off
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5-5. Using the driving support systems
When the sensors detect an obstacle, the following displays inform
the driver of the position and distance to the obstacle.
■
Multi-information display
Front center sensor opera-
tion
Front corner sensor opera-
tion
Front side sensor operation
Rear side sensor operation
Rear corner sensor operation
Rear center sensor operation
• The operation display is gray when the sensors are operating.
• The front side sensor operation displays and rear side sensor opera-
tion displays are not shown until a scan of the side areas is com-
pleted.
Display
1
2
3
4
5
6
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Distance display
Sensors that detect an obstacle will illuminate continuously or blink.
*
: The images may differ from those shown in the illustrations depending on
the detection status. (
Sensor detection display, obstacle distance
Display
*
Approximate distance to obstacle
Front corner, front
center and front side
sensors
Rear corner, rear
center and rear side
sensors
(continuous)
3.3 ft. (100 cm) to
2.0 ft (60 cm)
4.9 ft. (150 cm) to
2.0 ft. (60 cm)
(continuous)
2.0 ft. (60 cm) to
1.5 ft (45 cm)
2.0 ft. (60 cm) to
1.5 ft. (45 cm)
3.3 ft. (100 cm) to
2.3 ft. (70 cm)
3.3 ft. (100 cm) to
2.3 ft. (70 cm)
2.0 ft. (60 cm) to
1.5 ft (45 cm)
2.0 ft. (60 cm) to
1.5 ft. (45 cm)
(continuous)
1.5 ft. (45 cm) to
1.2 ft. (35 cm)
1.5 ft. (45 cm) to
1.2 ft. (35 cm)
2.3 ft. (70 cm) to
1.0 ft. (30 cm)
2.3 ft. (70 cm) to
1.0 ft. (30 cm)
1.5 ft. (45 cm) to
1.2 ft. (35 cm)
1.5 ft. (45 cm) to
1.2 ft. (35 cm)
(blinking)
Less than
1.2 ft. (35 cm)
Less than
1.2 ft. (35 cm)
Less than
1.0 ft. (30 cm)
Less than
1.0 ft. (30 cm)
Less than
1.2 ft. (35 cm)
Less than
1.2 ft. (35 cm)
Far
Near
1
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
Front center sensors
Front corner sensors
Front side sensors
Rear side sensors
Rear corner sensors
Rear center sensors
1
2
3
4
5
6
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5-5. Using the driving support systems
When an obstacle is detected, the buzzer sounds.
●
As the obstacle is approached, the buzzer sounds more rapidly.
When the obstacle is extremely close, the buzzer switches from
sounding intermittently (short beeps) to continuously (a long beep).
• Distance to obstacle detected by front corner sensor is approxi-
mately 1.2 ft. (35 cm) or less
• Distance to obstacle detected by front side sensor or rear side
sensor is approximately 1.0 ft. (30 cm) or less
• Distance to obstacle detected by front sensor is approximately
1.2 ft. (35 cm) or less
• Distance to obstacle detected by rear corner sensor is approxi-
mately 1.2 ft. (35 cm) or less
• Distance to obstacle detected by back sensor is approximately
1.2 ft. (35 cm) or less
●
When an obstacle is detected by multiple sensors simultaneously,
the buzzer sounds according to the distance to the closest obsta-
cle.
●
When obstacles are simultaneously detected to the front and rear
of the vehicle, separate buzzers sound patterns according to the
distance to each obstacle.
The volume and timing of the buzzer can be changed. (
Buzzer
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Approximately 3.3 ft. (100 cm)
Approximately 4.9 ft. (150 cm)
Approximately 2.0 ft. (60 cm)
Approximately 3.3 ft. (100 cm)
• The detection range is shown in
the illustration to the right. How-
ever, the sensor will not detect
the obstacle if it is too close.
• For details regarding obstacle
detection in the side areas.
(
• The distance at which an obsta-
cle can be detected and whether
it can be detected depends on
the shape and condition of the
obstacle.
The obstacle detection range can be changed. (
■
Operation conditions
The power switch is turned on.
●
Front corner sensors:
• Shift position is not in P
• Vehicle speed is approximately 6 mph (10 km/h) or less
●
Front side sensors/rear side sensors:
• Shift position is not in P
• Vehicle speed is approximately 6 mph (10 km/h) or less
• Steering wheel is turned approximately 90
or more
●
Front center sensors:
• Shift position is not in P or R
• Vehicle speed is approximately 6 mph (10 km/h) or less
●
Rear corner sensors/rear center sensors:
Shift position is in R
■
Intuitive parking assist pop-up display
Detection range of the sensors
1
2
3
4
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■
Sensor detection information
●
The sensor’s detection areas are limited to the areas around the vehicle’s
bumper.
●
Depending on the shape of the obstacle and other factors, the detection dis-
tance may shorten, or detection may be impossible.
●
Obstacles may not be detected if they are too close to the sensor.
●
There will be a short delay between obstacle detection and display. Even
when traveling at a low speed, if you come too close to an obstacle before
the display and buzzer activate, the display and buzzer may not activate at
all.
●
Thin posts or objects lower than the sensor may not be detected when
approached, even if they have been detected once.
●
It might be difficult to hear beeps due to the volume of audio system or air
flow noise of the air conditioning system.
■
Obstacle warning function
When an obstacle in the side areas is within the vehicle course while the
vehicle is moving forward or backward, this function inform the driver by the
display and the buzzer. (
■
Obstacle detection in side areas
●
Obstacles in the side areas are detected while driving by scanning the side
areas with the side sensors. Recognized obstacles are retained in memory
for up to approximately 2 minutes.
●
Obstacles may not be detected in the side areas until the scan completes.
After the power switch is turned on, scanning completes after driving the
vehicle for a short period of time.
●
When an obstacle such as another vehicle, pedestrian or animal is detected
by the side sensors, the obstacle may continue to be detected even after it
has left the side sensor detection area.
Obstacle
Calculated vehicle course
1
2
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■
If “Clean Parking Assist Sensor” is displayed on the multi-information
display
A sensor may be dirty or covered with snow or ice. In such cases, if it is
removed from the sensor, the system should return to normal.
Also, due to the sensor being frozen at low temperatures, a malfunction dis-
play may appear or an obstacle may not be detected. If the sensor thaws out,
the system should return to normal.
■
If “Parking Assist Malfunction” is displayed on the multi-information dis-
play
Depending on the malfunction of the sensor, the device may not be working
normally. Have the vehicle inspected by your Toyota dealer.
■
Certification (Canada only)
This ISM device complies with Canadian ICES-001.
■
Customization
Settings (e.g. buzzer volume) can be changed.
(Customizable features:
■
Objects which the system may not properly detect
The shape of the object may prevent the sensor from detecting it. Pay partic-
ular 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 projecting outwards in the direction of your
vehicle
■
Situations in which the system may not operate properly
Certain vehicle conditions and the surrounding environment may affect the
ability of a sensor to correctly detect objects. Particular instances where this
may occur are listed below.
●
There is dirt, snow, water drops or ice on a sensor. (Cleaning the sensors
will resolve this problem.)
●
A sensor is frozen. (Thawing the area will resolve this problem.) In espe-
cially cold weather, if a sensor is frozen the sensor display may be displayed
abnormally, or objects, such as a wall, may not be detected.
●
On an extremely bumpy road, on an incline, on gravel, or on grass.
●
When a sensor or the area around a
sensor is extremely hot or cold.
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5-5. Using the driving support systems
●
When vehicle horns, vehicle detectors, motorcycle engines, air brakes of
large vehicles, the clearance sonar of other vehicles or other devices which
produce ultrasonic waves are near the vehicle
●
A sensor is coated with a sheet of spray or heavy rain.
●
If objects draw too close to the sensor.
●
When a pedestrian is wearing clothing that does not reflect ultrasonic waves
(ex. skirts with gathers or frills).
●
When objects that are not perpendicular to the ground, not perpendicular to
the vehicle traveling direction, uneven, or waving are in the detection range.
●
Strong wind is blowing
●
When driving in inclement weather such as fog, snow or a sandstorm
●
When an object that cannot be detected is between the vehicle and a
detected object
●
If an object such as a vehicle, motorcycle, bicycle or pedestrian cuts in front
of the vehicle or runs out from the side of the vehicle
●
If the orientation of a sensor has been changed due to a collision or other
impact
●
When equipment that may obstruct a sensor is installed, such as a towing
eyelet, bumper protector (an additional trim strip, etc.), bicycle carrier, or
snow plow
●
If the front of the vehicle is raised or lowered due to the carried load
●
If the vehicle cannot be driven in a stable manner, such as when the vehicle
has been in an accident or is malfunctioning
●
When tire chains, a compact spare tire or an emergency tire puncture repair
kit are used.
■
Situations in which the system may operate even if there is no possibil-
ity of a collision
In some situations, such as the following, the system may operate even
though there is no possibility of a collision.
●
When driving toward a banner, flag, low-hanging branch or boom barrier
(such as those used at railroad crossings, toll gates and parking lots)
●
When there is a rut or hole in the surface of the road
●
When driving on a metal cover (grating), such as those used for drainage
ditches
●
When driving up or down a steep slope
●
When driving on a narrow road
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