Toyota PRIUS Owner's Manual page 350

350
4-5. Using the driving support systems
■
Conditions under which the vehicle-to-vehicle distance control mode
may not function correctly
Operate the brake pedal (or accelerator pedal operation depending on the sit-
uation) as necessary in the following conditions as the radar sensor may not
be able to correctly detect vehicles ahead, which may lead to an accident
resulting in death or serious injury.
●
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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