284 5-4 . Using the driving support systems
■ Operating conditions of function
This function is operable when all of the following conditions are met :
●The LTA system detects lane lines or the path of preceding or surrounding vehicles .
●The dynamic radar cruise control is operating .
●The lane width is approximately 10 to 13 ft . ( 3 to 4 m ).
●The turn signal lever is not being operated .
●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 with a large force .
●The hands off steering wheel warning ( �P . 284 ) is not operating .
●The vehicle is being driven in the center of a lane .
■ 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 . 284 )
●If the operating conditions of a function are no longer met while the function is operating , a buzzer
may sound to indicate that the function has been temporarily canceled .
●The steering assist operation of the function can be overridden by the steering wheel operation of the driver .
■ Lane departure warning function when the LTA is operating
●Even if the LDA warning method is changed to vibration of the steering wheel , if the vehicle deviates from the lane while the LTA is operating , the warning buzzer will sound to alert the driver .
● If steering wheel operation equivalent to that necessary for a lane
change is detected , the system will determine the vehicle is not deviating from the lane and the
warning will not operate .
■ Hands off steering wheel warning operation
●When the system determines the driver is not holding the steering wheel , a message urging the
driver to grip the steering wheel and the icon shown in the illustration will be displayed on the multiinformation display to warn the driver . If the system detects that the steering wheel is held , the
warning will be canceled . When using the system , make sure to grip the steering wheel firmly ,
regardless of whether the warning is operating or not .
●If no operations are detected for a certain amount of time , the warning will operate , and the function
will be temporarily canceled . This warning may also operate if the driver only operates steering wheel a small amount continuously .
■ Situations in which the hands
off steering wheel warning may not operate properly
●Depending on the condition of the