Go to the EBSCOHost Research Databases

on this page: http://www.tegger.com/hondafaq/online-manuals.html

Log in and find the page that describes EVERY remote that Honda ever
sold in the North American market. It's about a twenty page PDF.

Try the instructions.....

BTW, I'd disconnect the battery for 30 seconds just to 'reboot' the
Civic, and THEN reprogram the fobs. (you own at least TWO, right??)

'Curly'