Cabriolet vehicle with a top with Z-folding principle

The vehicle (1) has a cover (4) comprising a front top bow (6) and pivoted from a closed position with Z-folding into an open position in a rear storage compartment. An upper Z-surface region (5) forms a case cover with the front top bow. A rod outlet valve (8) is pivotably attached at the front top bow in a side region. The valve is pivoted in a closed position of the cover in a receiving space (9) at the front top bow in a stowed position, and pivoted from the receiving space into a covering position for covering a main storage region (7) in an opening position of the cover.