A:Answer Hello Paige,
Thank you for reaching out. We're happy to answer your question. There are instructions about the third rack on page 14 of the owner's manual. https://files.bbystatic.com/VuA%2BRyPIwCaN3BZqXRd3KQ%3D%3D/D98FE448-9C07-4B4A-9A05-6B5D870CFD4E.pdf. If you have any other questions, please feel free to reach out to us via social media or through our Contact Us page. We hope this helps. Best wishes. Mike@GEA