Toyota SIENNA 2022 Manual page 309

308
4-5. Using the driving support systems
Example:
Approach-
Speed
ing vehicle
18 mph
Fast
(28 km/h)
5 mph (8
Slow
km/h)
■ The RCTA function is opera-
tional when
The RCTA function operates when
all of the following conditions are
met:
● The RCTA function is on.
● The shift lever is in R.
● The vehicle speed is less than
approximately 5 mph (8 km/h).
● The approaching vehicle speed is
between approximately 5 mph (8
km/h) and 17 mph (28 km/h).
■ Setting the buzzer volume
The buzzer volume can be adjusted
on the multi-information display.
(P.112)
Conditions under which the
■
system will not detect a vehicle
The RCTA function is not designed
to detect the following types of vehi-
cles and/or objects.
● Vehicles approaching from
directly behind
● Vehicles backing up in a parking
space next to your vehicle
● Vehicles that the sensors cannot
detect due to obstructions
A
Approxi-
mate
alert dis-
tance
65 ft. (20
● Guardrails, walls, signs, parked
m)
vehicles and similar stationary
objects
18 ft. (5.5
● Small motorcycles, bicycles,
m)
pedestrians, etc.
● Vehicles moving away from your
vehicle
● Vehicles approaching from the
parking spaces next to your vehi-
cle
● The distance between the sensor
and approaching vehicle gets too
close
*
: Depending on conditions, detec-
tion of a vehicle and/or object may
occur.
■ Situations in which the system
may not operate properly
The RCTA 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 a vehicle is approaching at
high speed.
● When equipment that may
obstruct a sensor is installed, such
*
*
*