CHEVROLET 1999 Corvette - Manual (Page 118)

yellow blue
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4. Gently lower the roof panel onto the carpet ledge.
Then, pull each release rearward and upward to place
the storage pins into the holes of the roof panel.
5. Gently lift and lower the roof panel to be sure it is
locked into place.
Installing the Roof Panel
CAUTION:
An improperly attached roof panel may fall into
or fly off the vehicle. You or others could be
injured. After installing the roof panel, always
check that it is firmly attached by pushing up on
the underside of the panel. Check now and then
to be sure the roof panel is firmly in place.
NOTICE:
To avoid damage to the roof panel, paint and
weatherstripping, do not drop or rest it on
its edges.