GAP VISIBLE BETWEEN UPPER A-PILLAR COWL PANEL SEAL AND CONVERTIBLE TOP SEAL.. When the Retractable Hard Top (RHT) is closed, a gap is visible between the upper A-pillar seal and the cowl panel seal. This concern does not result in water or air leaks, it is only an appearance issue. Photo at left shows gap between Apillar seal and cowl panel seal (inside view). Photo at left shows gap between Apillar seal and cowl panel seal (outside view). Design of upper A-pillar cowl panel seal to convertible top seal.