Chevrolet Corvette 2003 Owner's Manual page 100

5. Lower the windows and open the doors.
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.