Toyota PRIUS Owner's Manual page 362

362
4-5. Using the driving support systems
■
Automatic cancelation of constant speed control mode
Constant speed control mode is automatically canceled in the following situa-
tions:
●
Actual vehicle speed is more than approximately 16 km/h (10 mph) below
the set vehicle speed.
●
Actual vehicle speed falls below approximately 40 km/h (25 mph).
●
VSC is activated.
●
TRC is activated for a period of time.
● When the VSC or TRC system is turned off by pressing the VSC OFF
switch.
●
Pre-crash braking is activated.
● Intelligent Clearance Sonar is operated. (if equipped)
If vehicle-to-vehicle distance control mode 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 profes-
sional.
■ Warning messages and buzzers for dynamic radar cruise control
Warning messages and buzzers are used to indicate a system malfunction or
to inform the driver of the need for caution while driving. If a warning message
is shown on the multi-information display, read the message and follow the
instructions.
■ When the sensor may not be correctly detecting the vehicle ahead
In the case of the following and depending on the conditions, operate the
brake pedal when deceleration of the system is insufficient or operate the
accelerator pedal when acceleration is required.
As the sensor may not be able to correctly detect these types of vehicles, the
approach warning (→P. 359) will not be activated, which may lead to an acci-
dent resulting in death or serious injury.
● Vehicles that cut in suddenly
●
Vehicles traveling at low speeds
●
Vehicles that are not moving in the same lane
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