Top of a convertible vehicle, comprising a position detector

A top of a convertible vehicle, comprising:

• a top linkage for displacing the top between a closed position, in which a vehicle interior is covered, and a storage position, in which the vehicle interior is uncovered, a roof tip which is fixed to a front cowl of the vehicle in the closed position, a top lock which can be displaced between a locked position and a release position and secures the roof tip to the front cowl when the top is in the closed position and has a locking support having a pivotable locking hook and a locking counterpart which can be engaged with the locking hook, and a position detector which detects a relative position between the roof tip and the front cowl, wherein the position detector comprises a sensor unit having at least two Hall-effect sensor elements, one of which switches at a first distance between the sensor unit and a magnetic element and the other one of which switches at a second distance between the sensor unit and the magnetic element, the second distance being different from the first distance.