The present invention relates to an alarm system of a vehicle, and detects the off-road state of a wheel in consideration of a situation in which a wheel falls into a ditch due to a driver's mistake, such as when the vehicle passes through an edge of a ditch, and then alerts the driver to a road surface. To provide a wheel departure risk warning system.;In order to achieve this object, the present invention provides an operating switch, a danger signal display means, and a left and a right side of the vehicle on a vertical line from the ground to the center of the wheel, and a transmitter and a receiver are fixed to the vertical line. Distance measuring means is installed to point to the outer ground of the wheel at an angle and measures the distance from the installation position to the ground, and indicates a danger signal when the detected distance from the distance measuring means is compared with a preset stable range and deviates from it. It provides a road departure warning system of the wheel, characterized in that it comprises a control means for sending a dangerous signal display control command as a means.;By providing a road off-road warning system of such a configuration, the driver can monitor four wheels even on the road where there is a risk of wheel departure, so that the driver can operate safely even in poor conditions, improving the stability of the vehicle and improving the convenience of the driver. Was done.
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