2021 TOYOTA C-HR Owners Manual (in English)

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■The BSM function is operational when
The BSM function is operational when all of the following condi tions are met:
● The BSM system is set to on ( P. 284)
● The shift lever is in a position other than R.
● Vehicle speed is greater than approximately 10 mph (16 km/h)
■ The BSM function will detect a vehicle when
The BSM function will detect a vehicle present in the detection area in the
following situations:
● 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 BSM function will not detect a vehicle
The BSM 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 stationar y objects
*
●Following vehicles that are in the same lane*
●Vehicles traveling 2 lanes away 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 whi ch alerts the
driver that a vehicle is present in the blind spot. Do not over ly 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 resultin g 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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Conditions under which the BSM function may not function correc tly
● The BSM function may not detect vehicles correctly in the follo wing situa-
tions:
• When the sensor is misaligned due to a strong impact to the se nsor or its
surrounding area
• When mud, snow, ice, a sticker, etc., is covering the sensor o r 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 b etween
each vehicle
• When the distance between your vehicle and a following vehicle is short
• When there is a significant difference in speed between your v ehicle 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 d etection 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 BSM system is set to on

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Instances of the BSM function unnecessarily detecting a vehicle and/or
object may increase in the following situations:
• When the sensor is misaligned due to a strong impact to the se nsor 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 h ills, 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

2924-5. Using the driving support systems
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RCTA (Rear Cross Traffic Alert)
The RCTA function uses the BSM rear side radar sensors installe d
behind the rear bumper. This function is intended to assist the driver
in checking areas that are not easily visible when backing up.
Outside rear view mirror indicators
When a vehicle approaching from the right or left at the rear of the vehicle
is detected, both outside rear view mirror indicators will flas h.
RCTA buzzer
If a vehicle approaching from the right or left at the rear of the vehicle is
detected, a buzzer will sound. The buzzer also sounds for appro ximately 1
second immediately after the RCTA function is operated to turn the system
on.
“RCTA OFF” indicator
Illuminates when the Rear Cross Traffic Alert is disabled.
Summary of the Rear Cross Traffic Alert
: If equipped

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Press “” or “” of the meter control switches, select .
Press “ ” or “ ” of the meter control switches, select .
Press “ ” or “ ” of the meter control switches, select
“RCTA”.
When the RCTA function is disabled, the “RCTA OFF” indicator ( P. 292)
illuminates.
(Each time the engine switch is turned off then changed to ON, the RCTA
function will be enabled automatically.)
■ The outside rear view mirror indicators visibility
When under strong sunlight, the outside rear view mirror indica tor may be dif-
ficult to see.
■ Hearing the RCTA buzzer
The RCTA buzzer may be difficult to hear over loud noises, such as if the
audio system volume is high.
■ When “RCTA Unavailable.” is shown on the multi-information display
Water, snow mud, etc., may be built up in the vicinity of the s ensor area of
bumper ( P. 286).
Removing the water, snow, mud, etc., from the vicinity of the s ensor area
bumper should return it to normal.
Also, the sensor may not function normally when used in extremely hot or
cold weather
■ When “RCTA Malfunction Visit You r Dealer.” is shown on the multi-infor-
mation display
There may be a sensor malfunction or misaligned. Have the vehicle
inspected by your Toyota dealer.
■ Rear side radar sensors
P. 286
Turning the RCTA function on/off
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The RCTA functions when your vehicle is in reverse. It can dete ct
other vehicles approaching from the right or left rear of the v ehicle. It
uses radar sensors to alert the driver of the other vehicle’s existence
through flashing the outside rear view mirror indicators and so unding
a buzzer.
RCTA function
Approaching vehicles Detection areas
WARNING
■Cautions regarding the use of the function
The driver is solely responsible for safe driving. Always drive safely, taking
care to observe your surroundings.
The RCTA function is only a supplementary function which alerts the driver
that a vehicle is approaching from the right or left at the rea r of the vehicle.
As the RCTA function may not function correctly under certain c onditions,
the driver’s own visual confirmation of safety is necessary. Ov er reliance on
this function may lead to an accident resulting death or seriou s injury.

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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:
RCTA function detection areas
Approaching vehicleSpeedApproximate
alert distance
Fast18 mph (28 km/h)65 ft. (20 m)
Slow5 mph (8 km/h)18 ft. (5.5 m)

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■The RCTA function is operational when
The RCTA function operates when all of the following conditions are met:
● The RCTA system is set to on. ( P. 293)
● 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).
■ Adjusting the buzzer volume
The buzzer volume can be adjusted on the multi-information disp lay.
Use the meter control switches to change settings. ( P. 100)
Press “ ” or “ ” to select .
Press “ ” or “ ” to select “Vehicle Settings”, and then press .
Press “ ” or “ ” to select , select the volume and then press
.
Each time the switch is pressed, the volume level will change between 1, 2
and
3.
■ Muting a buzzer
A mute button will be displayed on the multi-information displa y when an
object is detected. To mute the buzzer, press .
Mute will be canceled automatically in the following situations :
● When the shift lever is changed.
● When the vehicle speed exceeds a certain speed.
● When the operating function is temporarily canceled.
● When the operating function is disabled manually.
● When the engine switch is turned off.
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