Toyota 2015 Prius Owner's Manual page 254

Radar sensor
The radar sensor detects vehi-
cles or other obstacles on or near
the road ahead and determines
whether a collision is imminent
based on the position, speed, and
heading of the obstacles.
■
The pre-collision system is operational when
The pre-collision system is on (P. 252) and the following conditions are met:
●
Pre-collision warning:
• Vehicle speed is greater than about 10 mph (15 km/h).
• The speed at which your vehicle is approaching the obstacle or the vehi-
cle running ahead of you is greater than about 7 mph (10 km/h).
●
Pre-collision brake assist:
• The VSC is not turned off.
• Vehicle speed is greater than about 19 mph (30 km/h).
• The speed at which your vehicle is approaching the obstacle or the vehi-
cle running ahead of you is greater than about 19 mph (30 km/h).
• The brake pedal is depressed.
●
Pre-collision braking:
• The VSC is not turned off.
• Vehicle speed is greater than about 10 mph (15 km/h).
• The speed at which your vehicle is approaching the obstacle or the vehi-
cle running ahead of you is greater than about 7 mph (10 km/h).
PRIUS v_OM_OM47887U_(U)
4-5. Using the driving support systems
I n f o r ma t i o n P r o v i d e d b y :
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