294 5-4 . Using the driving support systems
• The vehicle is not being driven around a sharp curve .
• The vehicle is not accelerating or decelerating more than a certain amount .
• The steering wheel is not being turned sufficiently to perform a lane change .
• When the VSC or TRAC system is
not turned off * : Boundary between the asphalt
and grass , soil , etc ., or structures , such as a curb , guardrail , etc .
■ Temporary cancelation of functions
When the operating conditions are no longer met , a function may be
temporarily canceled . However , when the operation conditions are met again , operation of the function
will automatically be restored . ( �P . 293 )
■ Operation of the lane departure alert function / lane departure prevention function
●Depending on the vehicle speed ,
road conditions , lane departure angle , etc ., operation of the lane departure prevention function may
not be felt or the function may not operate .
●Depending on the conditions , the warning buzzer may operate even if vibration is selected through a
customize setting .
●If a course * is not clear or straight , the lane departure alert function or lane departure prevention function
may not operate .
●The lane departure alert function or lane departure prevention function may not operate if the system judges that the vehicle is intentionally being steered to avoid a pedestrian or parked vehicle .
●It may not be possible for the system to judge if there is danger of a collision with a vehicle in an adjacent lane .
●Depending on the driver condition , the lane departure alert function or lane departure prevention function changes the timing of operation .
●The steering assist operation of the lane departure prevention function can be overridden by the steering wheel operation of the
driver . * : Boundary between the asphalt
and grass , soil , etc ., or structures , such as a curb , guardrail , etc .
■ Hands off steering wheel warning operation
In the following situations , a message urging the driver to operate the
steering wheel and an icon will be displayed and a buzzer will sound to warn the driver . When using the system , make sure to grip the steering wheel firmly , regardless of whether the warning is operating or not .
●When the system determines that the driver is not securely holding
the steering wheel , or the steering wheel is not being operated when the steering assist operation of the
lane departure prevention function is operating
The length of time that the warning buzzer operates will become longer as the frequency of the steering
assist operating increases . If the system judges that the steering wheel has been operated , the warning buzzer will stop .
The length of time that the warning buzzer operates will become longer as the frequency of the steering
assist operating increases . Even if the system judges that the steering