An alternative forum which deals with the Northstars more is here, but post your questions, you will alway get an answer. Many people there are long time owners and can provide help.
http://www.caddyinfo.com/
Yahoo Groups has a great forum as well known as the CML, Cadillac Mailing List.
http://www.libertysoftware.be/cml/cml/mail.htm
Cheers!