318 5-4. Using the driving support systems
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lThe vehicle is driving on a vehicle-only road, such as an expressway.
lThere is a preceding vehicle and the system is able to detect it.
lNo vehicle interruptions occur.
lThe preceding vehicle has not been replaced.
lClearance sonar and FCTA are not detecting the object in front of
you.
lThe driver monitor judges that the driver is looking forward.
lThe steering wheel has not been operated.
lThe brake pedal has not been operated.
Approach warning
In situations where the vehicle approaches a preceding vehicle and the system cannot provide sufficient deceleration, such as if a vehicle cuts in front of the vehicle, a warning display will flash and a buzzer will sound to alert the driver. Depress the brake pedal to ensure appropriate vehicle-to-vehicle distance.
n Warnings may not occur when
In the following situations, the warning may not operate even though the vehicle-to-vehicle distance is short.
• When the preceding vehicle is traveling at the same speed or faster than your vehicle
• When the preceding vehicle is traveling at an extremely low speed
• Immediately after the vehicle speed has been set
• When the accelerator pedal is depressed
Curve speed reduction function
When a curve is detected, the vehicle speed will begin being reduced. When the curve ends, the vehicle speed reduction will end.
Depending on the situation, the vehicle speed will then return to the set vehicle speed.
In situations where vehicle-to-vehicle distance control needs to operate, such as when a preceding vehicle cuts in front of your vehicle, the curve speed reduction function will be canceled.
nSituations in which the curve speed reduction function may not operate
In situations such as the following, the curve speed reduction function may not operate: