2020 TOYOTA PRIUS PRIME Owners Manual (in English)

PRIUS PRIME_OM_OM47C77U_(U)
4175-5. Using the driving support systems
5
Driving
■When the sensor may not be correctly detect ing the vehicle ahead
In the case of the following and depending on the conditions, o perate the
brake pedal when deceleration of the system is insufficient or operate the
accelerator pedal when acceleration is required.
As the sensor may not be able to correctly detect these types o f vehicles, the
approach warning ( P. 413) may not be activated.
● Vehicles that cut in suddenly
● Vehicles traveling at low speeds
● Vehicles that are not moving in the same lane
● Vehicles with small rear ends (trailers with no load on board, etc.)
● Motorcycles traveling in the same lane
● When water or snow thrown up by the surrounding vehicles hinders the
detecting of the sensor
●When your vehicle is pointing upwards
(caused by a heavy load in the luggage
compartment, etc.)
● Preceding vehicle has an extremely high
ground clearance

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■Conditions under which the vehic le-to-vehicle distance control mode
may not function correctly
In the case of the following conditions, operate the brake peda l (or accelera-
tor pedal, depending on the situation) as necessary.
As the sensor may not be able to correctly detect vehicles ahead, the system
may not operate properly.
● When the vehicle ahead of you decelerates suddenly
● When driving on a road surrounded by a structure, such as in a tunnel or on
a bridge
● While the vehicle speed is decreasing to the set speed after th e vehicle
accelerates by depressing the accelerator pedal
●
When the road curves or when the lanes
are narrow
● When steering wheel operation or your
position in the lane is unstable

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PRIUS PRIME_OM_OM47C77U_(U)
5-5. Using the driving support systems
5
Driving
Driving mode select switch
Repeatedly press the switch unt il the system changes to the intended
driving mode.
Each time the switch is pressed, the driving mode changes in th e following
order and the “ECO MODE” and “PWR MODE” indicators turn on or o ff
accordingly.
In response to driving conditions, one of 3 driving modes can b e
selected.
Driving modes

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PRIUS PRIME_OM_OM47C77U_(U)
5-5. Using the driving support systems
Normal mode
Suitable for normal driving.
When normal mode is selected, the “ECO MODE” and “PWR MODE”
indicators turn off.
Power mode
Suitable for when crisp handling and enhanced accelerator
response are desired, such as when driving on mountainous roads .
When power mode is selected, the “PWR MODE” indicator will illu mi-
nate on the main display.
Eco drive mode
Suitable for driving that impro ves fuel economy by generating
torque in response to accelerator pedal operations more smoothl y
than in normal mode.
When Eco drive mode is selected, the “ECO MODE” indicator will illumi-
nate on the main display.
While the air conditioning is being used, the system automatically
switches to air conditioning eco mode (P. 503, 514), allowing for driv-
ing that leads to even better fuel economy.
■ The driving mode after turning the power switch off
The driving mode will not be changed automatically until the switch is
pressed, even if the power switch is turned off.
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2
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PRIUS PRIME_OM_OM47C77U_(U)
5-5. Using the driving support systems
5
Driving
BSM (Blind Spot Monitor)
The Blind Spot Monitor is a system that has 2 functions;
● The Blind Spot M onitor function
Assists the driver in making t he decision when changing lanes
● The Rear Cross Traff ic Alert function
Assists the driver when backing up
These functions use same sensors.
Outside rear view mirror indicators
Blind Spot Monitor function:
When a vehicle is detected in the blind spot, the outside rear view mirror
indicator comes on while the turn signal lever is not operated. If the turn
signal lever is operated toward the detected side, the 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 outside rear view mirror indicators flash.
: If equipped
Summary of the Blind Spot Monitor
1

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PRIUS PRIME_OM_OM47C77U_(U)
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The Blind Spot Monitor o n/off screen and indicator
The Blind Spot Monitor function and Rear Cross Traffic Alert fu nction can
be switched on and off using the multi-information display. ( P. 244)
When switched on, the BSM indicator illuminates on the meter an d the
buzzer sounds.
Rear Cross Traffic Alert buzzer (Rear Cross Traffic Alert funct ion
only)
When a vehicle approaching from the right or left rear of the vehicle is
detected, a buzzer sounds from the driver’s side instrument pan el.
RCTA detection display (RCTA function only)
If a vehicle approaching from the right or left at the rear of the vehicle is
detected, the RCTA detection display will be displayed on the m ulti-infor-
mation display.
The Blind Spot Monitor function and Rear Cross Traffic Alert function
can be enabled/disabled on the screen ( P. 244) of the multi-
information display.
Once the systems are disabled, the systems will not be enabled until they
are enabled by the screen of multi-information display again. (The
systems are not automatically enabled even when the hybrid syst em is
restarted.)
Changing settings of the Blind Spot Monitor function and Rear
Cross Traffic Alert function
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3
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PRIUS PRIME_OM_OM47C77U_(U)
4235-5. Using the driving support systems
5
Driving
■The BSM outside rear view mi rror indicators visibility
When under strong sunlight, the outside rear view mirror indica tor may be dif-
ficult to see.
■ The Rear Cross Traffic Alert buzzer hearing
The Rear Cross Traffic Alert buzzer may be difficult to hear ov er loud noises
such as high audio volume.
■ When “Blind Spot Monitor Unavailable” is shown on the multi-inf orma-
tion display
The sensor voltage has become abnormal, water, snow mud, etc., may be
built up in the vicinity of the sensor area of bumper ( P. 424). Removing the
water, snow, mud, etc., from the vicinity of the sensor area bu mper 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 Malfunction Visit Your Dealer” is
shown on the multi-information display
There may be a sensor malfunction or misaligned. Have the vehicle
inspected by your Toyota dealer.
■ Certification for the Blind Spot Monitor
For vehicles sold in the U.S.A. and Hawaii
For vehicles sold in Canada

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WARNING
■Handling the radar sensor
● Keep the sensor and its surrounding area on the bumper clean at all times.
● Do not subject a sensor or its surrounding area on the rear bumper to a
strong impact.
If a sensor is moved even slightly off position, the system may malfunction
and vehicles may not be detected correctly.
In the following situations, have your vehicle inspected by your Toyota
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 disassemble the sensor.
● Do not attach accessories or stickers to the sensor or surrounding area on
the bumper.
● Do not modify the sensor or surrounding area on the bumper.
● Do not paint the rear bumper any color other than an official Toyota color.
One Blind Spot Monitor sensor is
installed inside the left and right side of
the vehicle rear bumper respectively.
Observe the following to ensure the Blind
Spot Monitor can function correctly.