Chevrolet 2002 Corvette Owner's Manual page 122

There are two latches on the front of the roof panel
near each door (A), and one rear latch (B).
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6. To unlock the front of the roof panel, pull down
each of the front handles. Grasp the handles with
your fingers and pull each toward you. Complete
a 180 _ turn toward the center of the vehicle.
Then push up on each of the handles.