I have a 2003 GT Convertable that I love to drop the top and go for a ride. Yesterday I had my dog with me and left him alone in it for a few seconds while dropping off my daughter at her moms. The dog chewed threw the drivers seat belt. Does anyone have any tips on how to replace it? The biggest challange looks to be removing the rear interior side panel to access the retraction mechinism. Any help would be great, Thx.