Toyota SIENNA 2022 Manual page 304

tion//RCTA function will be
enabled automatically.
■ Outside rear view mirror indica-
tors visibility
In strong sunlight, the outside rear
view mirror indicator may be difficult
to see.
■ Hearing the RCTA buzzer
The RCTA buzzer may be difficult to
hear over loud noises such as high
audio volume.
■ When "Blind Spot Monitor
Unavailable" or "Rear Cross
Traffic Alert Unavailable" is
shown on the multi-information
display
The sensor voltage has become
abnormal, or water, snow, mud,
etc., may be built up in the vicinity of
the sensor area of the rear bumper.
(P.303)
Removing the water, snow, mud,
etc., from the vicinity of the sensor
area should return it to normal.
Also, the sensor may not function
normally when used in extremely
hot or cold weather.
■ When "Blind Spot Monitor Mal-
function Visit Your Dealer" or
"Rear Cross Traffic Alert Mal-
function Visit Your Dealer" is
shown on the multi-information
display
There may be a sensor malfunction
or misaligned. Have the vehicle
inspected at a Toyota dealer.
■ Customization
Some functions can be customized.
(P.548)
4-5. Using the driving support systems
■
Blind Spot Monitor sensors are
installed inside the left and right
sides of the rear bumper respec-
tively. Observe the following to
ensure the Blind Spot Monitor can
function correctly.
●
●
• A sensor or its surrounding area
WARNING
To ensure the system can
operate properly
Keep the sensors and the sur-
rounding areas on the rear
bumper clean at all times.
If a sensor or its surrounding
area on the rear bumper is dirty
or covered with snow, the Blind
Spot Monitor may not operate
and a warning message
(P.303) will be displayed. In
this situation, clear off the dirt or
snow and drive the vehicle with
the operation conditions of the
BSM function (P.305) satis-
fied for approximately 10 min-
utes. If the warning message
does not disappear, have the
vehicle inspected by your
Toyota dealer.
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.
is subject to a strong impact.
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