This is the new warranty. The old one was just one year, so this is a major improvement.
http://www.keystonerv.com/media/7719...e_9.1.2017.pdf
This is the latest owners manual, which has older warranty information.
http://www.keystonerv.com/media/5212...anual_2018.pdf
Both of these are available on the Keystone site.
http://www.keystonerv.com/customer-s.../owners-manual