Pivotally mounted wind deflector of a vehicle

The invention relates to a wind deflector (1) of a vehicle mounted pivotably and is adjustable between a rest position and an operating position, wherein it is provided for increasing the operational safety that a force device (5) biases the wind deflector (1) in its rest position, that a locking means (11) holds the wind deflector (1) is locked in its operative position, wherein the locking force of the locking means (11) is greater than a counter force to the force device (5) and optionally one on the wind deflector (1) acting load, and that the unlocking of the in the operating position held wind deflector (1) is locked manually and / or by a Betatigungseinrichutng (16, 17).