Toyota Prius+, Owner'S Manual

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2-4. Using other driving systems
2
W
hen drivi
ng
PRIUS +_OM_OM47821E_(EE)

Dynamic radar cruise control can be set when
 The shift position is in D.

Vehicle speed is above approximately 50 km/h (30 mph).

Set speed
Depending on vehicle conditions and the driving environment, it may not be
possible to maintain the set speed.

Accelerating after setting the vehicle speed
The vehicle can accelerate normally. After acceleration, the set speed
resumes. However, during vehicle-to-vehicle distance control mode, the
vehicle speed may decrease below the set speed in order to maintain the
distance to the vehicle ahead.
 Automatic cancelation of vehicle-to-vehicle distance control
Vehicle-to-vehicle distance control driving is automatically canceled in the
following situations:

Actual vehicle speed falls below approximately 40 km/h (25 mph).
 VSC is activated.

The sensor cannot operate correctly because it is covered in some way.

The windshield wipers are operating at high speed (when the wiper
switch is set to the “AUTO” mode or the high speed windshield wiper
operation position).
If vehicle-to-vehicle distance control driving is automatically canceled for any
other reason, there may be a malfunction in the system. Contact any autho-
rized Toyota dealer or repairer, or another duly qualified and equipped pro-
fessional.