"California Service Center: [email protected]
Vermont Service Center: [email protected]
Nebraska Service Center: [email protected]
Texas Service Center: [email protected]

If you do not receive a response within 21 days of emailing the service center, you may
email the USCIS Headquarters Office of Service Center Operations at [email protected]."

When I went to the infopass, it seems like they had the ability to schedule bios manually, except my officer linked it to my last renewal...so double check everything right there.