Toyota Sienna 2006 Operating Manual page 540

In the following cases, the system may
not work properly.
_
When ice, snow, mud or other objects
build up on the sensor.
_
When the vehicle is parked in extreme-
ly high or extremely low temperature
for a long period.
_
When driving on bumpy or graveled
roads or on grass
_
When a device such as a horn from
another vehicle, motorcycle engine, or
an air brake sound from a heavy- duty
vehicle, issues ultrasonic waves, near
your vehicle
_
When attaching a two- way radio anten-
na
_
When rain or water splashes on the
sensor.
_
When operating the vehicle on an in-
clined surface
_
When a radio antenna or fender pole
is mounted on your vehicle.
_
When a towing hitch is mounted on
your vehicle.
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06 SIENNA_U (L/O 0603)
The system may not detect the follow-
ing.
_
Thin objects such as a wire or rope
_
Objects with a surface area too small
to reflect ultrasonic waves such as
wire gauze
_
Sound wave absorbing objects or mate-
rial such as cotton or snow
_
A person near the vehicle (depending
on the type of clothes worn)
_
Objects with a sharp edge
_
Small or short objects
_
Tall objects with an upper part project-
ing toward the vehicle
_
Objects just under the bumper
_
Objects very close to your vehicle
In the following cases, have
Toyota dealer check the system.
_
When the bumper is damaged.
_
When the indicator is continuously on.
Toyota park assist system
(type B)
1: Rear sensors
2: Rear corner sensors
The Toyota park assist system is de-
signed to inform you of the approxi-
mate distance between your vehicle and
your
an obstruction by indicator and buzzer
when parking the vehicle. This system
uses sensors to detect obstructions.
This system works when the ignition key
is at the "ON" position and the transmis-
sion is in the "R" position.
The sensors work only when the transmis-
sion is in the "R" position.
2006 SIENNA from March '06 Prod. (OM45443U)