324 5-4 . Using the driving support systems
●When the vehicle speed is approximately 30 mph ( 50 km / h ) or more
During the Traffic Jam Assist controls , the system may operate at below 30 mph ( 50 km / h ).
■ Operation cancelation conditions
In the following situations , system operation will be canceled :
●When LTA control has been canceled ( the LTA switch has been pressed , etc .)
●When the dynamic radar cruise control has been canceled
●When driver operations are detected ( the steering wheel is
held , the brake pedal , accelerator pedal , parking brake , hazard light switch , or turn signal lever is operated )
●When the driving assist switch is
pressed while in the stop and hold phase
●When the power switch has been turned from ON to OFF
●Situations in which some or all of the functions of the system cannot operate : �P . 267
■ LTA control when operation is canceled
When emergency driving stop system operation is canceled , LTA control may also be canceled .
Warning phase 1
If driving operations are not detected after the hands off steering wheel warning operates , a buzzer will sound intermittently and a message will be displayed to warn the driver , and the system will judge if the driver is responsive or not . If driving operations , such as holding the steering wheel , are not performed within a certain amount of time , the system will enter warning phase 2 .
Depending on the type of detection of the driver ’ s unresponsiveness , the system may skip warning phase 1 and start the control of warning phase 2 .
Warning phase 2
After entering warning phase 2 , a buzzer will sound in short intervals and a message will be displayed to warn the driver , and the vehicle will slowly decelerate . If driving operations , such as holding the steering wheel , are not performed within a certain amount of time , the system will determine that the driver is not responsive and enter the deceleration stop phase .
The audio system will be muted until the driver becomes responsive .
When the vehicle is decelerating , the brake lights may illuminate , depending on the road conditions , etc .
Deceleration stop phase
After entering the deceleration stop phase , a buzzer will sound continuously and a message will be displayed to warn the driver , and the vehicle will slowly decel-