Usually the selling dealer needs to get it back for warranty services.
Who did you buy it from and where. Are you that far away?
Here is a few names at Forest River that may help you find a dealer to do the warranty if yours is not close by.
This is the latest I have but its a year old.
Worth a call.
Georgetown Service and Warranty
Justin, 574-206-7600 or 574-534-3167
Kevin Stratton Phone: (574) 206-7611 Fax: (574) 206-2484
Email: kstratton@forestriverinc.com