My complaint:
The lower spray arm has a gap between openings in the middle that is over 8. This means that any dish placed directly in the middle does not get any direct water spray. I haven’t noticed it being a problem until I put a drinking glass right in the center of the lower rack. When the dishes were done, it was obvious from the dirt in the glass that it did not get any water spray.
Suggested solution:
KitchenAid should fix this design flaw by adding more openings on the spray arm and offering customers a replacement arm.