Toyota PRIUS ALPHA 2012 Quick Reference Manual page 298

2-4. Using other driving systems
CAUTION
■
When the sensor may not be correctly detecting the vehicle ahead
Apply the brakes as necessary when any of the following types of vehicles
are in front of you.
As the sensor may not be able to correctly detect these types of vehicles,
the approach warning (→P. 277) will not be activated, and a fatal or serious
accident may result.
●
Vehicles that cut in suddenly
●
Vehicles traveling at low speeds
●
Vehicles that are not moving
●
Vehicles with small rear ends (trailers with no load on board etc.)
●
Motorcycles traveling in the same lane
■
Conditions under which the vehicle-to-vehicle distance control may
not function correctly
Apply the brakes as necessary in the following conditions as the radar sen-
sor may not be able to correctly detect vehicles ahead, and a fatal or serious
accident may result:
●
When water or snow thrown up by the surrounding vehicles hinders the
functioning of the sensor
●
When your vehicle is pointing upwards (caused by a heavy load in the lug-
gage compartment etc.)
●
When the road curves or when the lanes are narrow
●
When steering wheel operation or your position in the lane is unstable
●
When the vehicle ahead of you decelerates suddenly
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