Toyota Prius V 2016 Manual page 217

Changing the vehicle-to-vehicle distance
Pressing the button changes the vehicle-to-vehicle distance as fol-
lows:
1
Long
2
Medium
3
Short
The vehicle-to-vehicle distance is
set automatically to long mode
when the power switch is turned to
ON mode.
If a vehicle is running ahead of
you, the preceding vehicle mark
will also be displayed.
Vehicle-to-vehicle distance settings
Select a distance from the table below. Note that the distances shown
correspond to a vehicle speed of 50 mph (80 km/h). Vehicle-to-vehicle
distance increases/decreases in accordance with vehicle speed.
Distance options
PRIUS v_OM_OM47B12U_(U)
4-5. Using the driving support systems
Long
Medium
Short
Preceding vehicle mark
Vehicle-to-vehicle distance
Approximately 160 ft. (50 m)
Approximately 130 ft. (40 m)
Approximately 100 ft. (30 m)
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