Toyota Prius 2011, Owner'S Manual

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2-4. Using other driving systems
2
When
d
riving
PRIUS_U (OM47685U) DVD
n
Automatic cancelation of constant speed control
The cruise control will stop maintaining the vehicle speed in the following sit-
uations:
l
Actual vehicle speed is more than approximately 10 mph (16 km/h)
below the set vehicle speed.
At this time, the memorized set speed is not retained.
l Vehicle speed falls below approximately 25 mph (40 km/h).
l
Enhanced VSC is activated.
n Vehicle-to-vehicle distance settings
Select a distance from the table below. Note that the distances shown corre-
spond to a vehicle speed of 50 mph (80 km/h). Vehicle-to-vehicle distance
increases/decreases in accordance with vehicle speed.
n Radar sensor and grille cover
n Warning lights, messages and buzzers for dynamic radar cruise con-
trol
Warning lights, messages and buzzers are used to indicate a system mal-
function or to inform the driver of the need for caution while driving.
(
→
P. 517)
Distance options Vehicle-to-vehicle distance
Long Approximately 160 ft. (50 m)
Medium Approximately 130 ft. (40 m)
Short Approximately 100 ft. (30 m)
Always keep the sensor and grille cover
clean to ensure that the vehicle-to-vehi-
cle distance control operates properly.
(Some obstructions, such as snow, ice
and plastic objects, cannot be detected
by the obstruction sensor.)
Dynamic radar cruise control is can-
celed if an obstruction is detected.
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