Toyota Prius (2022 year). Manual in english - page 21

337

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Cruise control



Use the cruise control to maintain a set speed without depressing the
accelerator pedal.
Use the cruise control on freeways and highways.

Indicators
Cruise control switch
Set speed



: If equipped

Summary of functions

338

4-5. Using the driving support systems

Press the “ON-OFF” button to
activate the cruise control.

Cruise control indicator will come
on.
Press the button again to deacti-
vate the cruise control.

Accelerate  or  decelerate,  with
accelerator  pedal  operation,  to
the  desired  vehicle  speed
(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  becomes  the
set speed.

Setting the vehicle speed

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4-5. Using the driving support systems

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To change the set speed, operate the lever until the desired set speed
is obtained.

Increases the speed
Decreases the speed

Fine

adjustment:

Momentarily

move the lever in the desired direc-
tion.
Large adjustment: Hold the lever in
the desired direction.

The set speed will be increased or decreased as follows:
Fine adjustment: By approximately 1 mph (1.6 km/h) or 1 km/h (0.6 mph)
each time the lever is operated.
Large adjustment: The set speed can be increased or decreased continu-
ally until the lever is released.

Pulling the lever toward you
cancels the constant speed
control.

The speed setting is also canceled
when

the

brake

pedal

depressed.

Pushing the lever up resumes
the constant speed control.

However, resuming is available
when the vehicle speed is more
than

approximately

20 mph

(30 km/h).

Adjusting the set speed

Canceling and resuming the constant speed control

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4-5. Using the driving support systems

■

Cruise control can be set when

●

The shift position is in D.

●

Vehicle speed is above approximately 20 mph (30 km/h).

■

Accelerating after setting the vehicle speed

●

The vehicle can be accelerated by operating accelerator pedal. After accel-
erating, the set speed resumes.

●

Even without canceling the cruise control, the set speed can be increased
by first accelerating the vehicle to the desired speed and then pushing the
lever down to set the new speed.

■

Automatic cancelation of cruise control

Cruise control is automatically canceled in any of the following situations.

●

Actual vehicle speed falls more than approximately 10 mph (16 km/h) below
the set speed.
At this time, the memorized set speed is not retained.

●

Actual vehicle speed is below approximately 20 mph (30 km/h).

●

VSC is activated.

●

TRAC is activated for a period of time.

●

When the VSC or TRAC system is turned off.

■

If “Cruise Control Malfunction Visit Your Dealer” is displayed on the
multi-information display

Press the “ON-OFF” button once to deactivate the system, and then press
the button again to reactivate the system.
If the cruise control speed cannot be set or if the cruise control cancels imme-
diately after being activated, there may be a malfunction in the cruise control
system. Have the vehicle inspected by your Toyota dealer.

341

4-5. Using the driving support systems

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WARNING

■

To avoid operating the cruise control by mistake

Switch the cruise control off using the “ON-OFF” button when not in use.

■

Situations unsuitable for cruise control

Do not use cruise control in any of the following situations.
Doing so may result in loss of control and could cause an accident resulting
in death or serious injury.

●

Roads where there are pedestrians, cyclists, etc.

●

In heavy traffic

●

On roads with sharp bends

●

On winding roads

●

On slippery roads, such as those covered with rain, ice or snow

●

On sharp inclines or declines
Vehicle speed may exceed the set speed when driving down a steep hill.

●

During emergency towing

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4-5. Using the driving support systems

Driving mode select switch

Repeatedly press the switch until the system changes to the intended
driving mode.

Each time the switch is pressed, the driving mode changes in the following
order and the “ECO MODE” and “PWR MODE” indicators turn on or off
accordingly.

In response to driving conditions, one of 3 driving modes can be
selected.

Driving modes

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4-5. Using the driving support systems

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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 illuminate

on the main display.

Eco drive mode
Suitable for driving that improves fuel economy by generating
torque in response to accelerator pedal operations more smoothly
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. 433, 443), 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.

■

Switching the driving mode when in EV drive mode



P. 247

344

4-5. Using the driving support systems

BSM (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 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

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4-5. Using the driving support systems

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The Blind Spot Monitor on/off screen and indicator

The Blind Spot Monitor function and Rear Cross Traffic Alert function can
be switched on and off using the multi-information display. (



P. 151)

When switched on, the BSM indicator illuminates on the meter and the
buzzer sounds.

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 the driver’s side instrument panel.

RCTA detection screen (RCTA function only)

If a vehicle approaching from the right or left at the rear of the vehicle is
detected, the RCTA detection screen will be shown on the multi-informa-
tion display.

The Blind Spot Monitor function and Rear Cross Traffic Alert function

can be enabled/disabled on the

screen (



P. 151) 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 system is
restarted.)

Changing settings of the Blind Spot Monitor function and Rear
Cross Traffic Alert function

346

4-5. Using the driving support systems

■

The BSM outside rear view mirror indicators visibility

When under strong sunlight, the outside rear view mirror indicator may be dif-
ficult to see.

■

The Rear Cross Traffic Alert buzzer hearing

The Rear Cross Traffic Alert buzzer may be difficult to hear over loud noises
such as high audio volume.

■

When “Blind Spot Monitor Unavailable” is shown on the multi-informa-
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. 348). 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 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.

■

Customization

The brightness of the outside rear view mirror indicators can be changed.
(Customizable features:



P. 686)

■

Certifications for the Blind Spot Monitor



For vehicles sold in the U.S.A., Hawaii, Guam, Saipan and Puerto Rico

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

For vehicles sold in Canada

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4-5. Using the driving support systems

WARNING

■

To ensure the system can operate properly

●

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.

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4-5. Using the driving support systems

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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 vehicle’s existence via the 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) for-
ward of the rear bumper

The Blind Spot Monitor function

The Blind Spot Monitor function detection areas

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4-5. Using the driving support systems

■

The Blind Spot Monitor function is operational when

●

The BSM system is set to on (



P. 151)

●

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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4-5. Using the driving support systems

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■

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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4-5. Using the driving support systems

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

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. (



P. 350)

■

To ensure the system can operate properly



P. 348

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