| 摘要 |
The following distance alarming apparatus includes a memory responsive to an output signal value of a sensor, which changes in accordance with a driver's operation for speed adjustment of a subject vehicle, having remained unchanged for a prescribed time period, for storing a reference value for the output signal value of the sensor, and an alarming circuit determining a possibility of collision of the subject vehicle with a preceding vehicle, based on a following distance measured by a following distance measuring device when the output signal value from the sensor remained unchanged for the prescribed time period, the output signal value from the sensor and the reference value stored in the memory, and outputting a warning sound.
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