Toyota SIENNA 2022 Manual page 307

306
4-5. Using the driving support systems
● Following vehicles that are in the
*
same lane
● Vehicles traveling 2 lanes away
from your vehicle
● Vehicles which are being over-
taken rapidly by your vehicle
*
: Depending on the conditions,
detection of a vehicle and/or
object may occur.
■ Conditions under which the
system may not function cor-
rectly
● The BSM function may not detect
vehicles correctly in the following
situations:
• When the sensor is misaligned
due to a strong impact to the sen-
sor or its surrounding area
• When mud, snow, ice, a sticker,
etc. is covering the sensor or sur-
rounding 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 differ-
ence in speed between your vehi-
cle 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 con-
secutive 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 adja-
cent lane is far away from your
vehicle
• When an accessory (such as a
hitch-mounted bicycle carrier) is
installed to the rear of the vehicle
• When the vehicle is heavily
loaded in the luggage compart-
ment
• When there is a significant differ-
ence in height between your vehi-
cle and the vehicle that enters the
detection area
• Immediately after the BSM func-
tion/RCTA function are turned on
• When towing a trailer
● 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 sen-
sor 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 con-
secutive 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 an accessory (such as a
hitch-mounted bicycle carrier) is
installed to the rear of the vehicle
• When the vehicle throws up water
or snow behind.