Toyota Sienna 2010 Owner's Manual page 210

2-4. Using other driving systems
Detection range of the sensors
*
Intuitive parking assist can be operated when
■
The engine switch is in the "ON" position and the shift lever is not in P.
Rear corner and back sensors can be operated only when
■
The shift lever is in R.
Front corner sensors can be operated when
■
The shift lever is in R.
●
The shift lever is not in P or R and vehicle speed is approximately 6 mph
●
(10 km/h) or less.
212
Approximately 2.0 ft. (60 cm)
Approximately 2.8 ft. (85 cm)
Approximately 5.9 ft. (180 cm)
The diagram shows the detection
range of the sensors. Note that
the sensors cannot detect obsta-
cles that are extremely close to
the vehicle.
The range of the sensors may
change depending on the shape
of the object etc.
*: if equipped