A seat belt apparatus to be installed in a vehicle is structured such that a motor for rotating a spool of a seat belt retractor is controlled to drive in the belt winding direction to apply a first tension on a seat belt before a vehicle collision and the motor is controlled to drive in the belt winding direction to apply a second tension on the seat belt during the vehicle collision.

 
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< Vehicle surroundings monitoring apparatus and traveling control system incorporating the apparatus

< Test procedure for determining steering rack rattle

> Automatic safety belt release

> Device for deriving information about displacement of a vehicle component

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