The Heinz-von-Heiden-Arena offers both standing and seated areas for people with disabilities. The covered wheelchair-accessible areas are located in blocks O1 and O8 on the east stand, as well as behind blocks S1–S3 on the wheelchair ramp of the south stand. In addition to the wheelchair-accessible seats, the Heinz-von-Heiden-Arena offers 15 seats for the visually impaired in Block O8 with live game commentary. The live reporters sit among the visually impaired fans and provide detailed explanations of the game action for the full 90 minutes.
You can find all the information on the Hannover 96 website.