| 摘要 |
An alert system for providing an alarm is disclosed. The system includes a vehicle having a steering wheel with a steering column, the steering column having an exterior surface. Marks are provided on the exterior surface of the steering column. A sensor is positioned adjacent to the marks to sense the presence and absence of marks thereadjacent as caused by the rotational movement of the steering column. At least one alarm is adapted to be energized for alerting a driver and passenger, if present, when the sensor does not sense movement of the marks and steering column and steering wheel. Electronic timers including delay switches are provided to preclude energizing the alarms if the sensor senses the movement of the steering column and marks in greater than the predetermined lapsed time.
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