| 摘要 |
A simple but improved seatbelt safety device is provided for preventing vehicles from starting an engine by an engine key without drivers or passengers wearing seatbelts. The seatbelt safety device for a vehicle is placed in an electric circuit for energizing an engine for the vehicle, via an engine starter key for starting the engine. The electric circuit includes a built-in ON/OFF switch seat buckle detector, an occupant's seating detecting ON/OFF switch or sensor in parallel, thereby enabling the engine starter key to start the engine only when an occupant is seated and the seatbelt is fastened.
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