Toyota Yaris Manual page 234

234
4-5. Toyota Safety Sense
WARNING
■ Cautions regarding the assist functions of the system
By means of warnings and brake control, the pre-crash safety system is
intended to assist the driver in avoiding collisions through the process of
LOOK-JUDGE-ACT. There are limits to the degree of assistance the system
can provide, so keep in mind the following important points.
●
Assisting the driver in watching the road
The pre-crash safety system is only able to detect vehicles directly in front
of your vehicle, and only within a limited range. It does not allow for care-
less or inattentive driving, and is not a system that can assist the driver in
low-visibility conditions. It is still necessary for the driver to pay close atten-
tion to the vehicle's surroundings.
●
Assisting the driver in making correct judgement
When attempting to estimate the possibility of a collision, the only data
available to the pre-crash safety system is that from vehicles it has
detected directly in front of the vehicle. Therefore, it is absolutely neces-
sary for the driver to remain vigilant and to determine whether or not there
is a possibility of collision in any given situation.
●
Assisting the driver in taking action
The pre-crash brake assist and pre-crash braking functions are designed
to help avoid a collision or reduce the severity of a collision, as such they
only operate when the system has determined that the possibility of a col-
lision is high. This system is not capable of automatically avoiding a colli-
sion or bringing the vehicle to a stop safely, without appropriate operations
being performed by the driver. For this reason, when encountering a dan-
gerous situation the driver must take direct and immediate action in order
to ensure the safety of all involved.
NOTICE
■ To avoid malfunction of the system
In the following situations, disable the pre-crash safety system. The system
may operate even if there is no possibility of a collision.
● When inspecting the vehicle using a drum tester such as a chassis dyna-
mometer or speedometer tester, or when using an on vehicle wheel bal-
ancer
● When transporting the vehicle via boat, truck, or similar means of transpor-
tation
●
When the front part of the vehicle is raised or lowered, such as if tires of a
different size than specified are used or if the suspension components are
modified
●
When the vehicle is being towed
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