First off welcome.
Winnebago site has tons of help, also this is from their site give them a call.
If you own one of our motor homes and have a question about it, we encourage you to contact our Service Administration
area by phone or email. • (800)-537-1885
(We will reply to owner related questions within 2 business days. This excludes weekends and holidays. We may call you to address your questions. If you require a more immediate response, please contact our Service Administration Department at 1-800-537-1885. Thank you.)
Hope this is of some help.