I also called 1-833-280-4748, finally got a person. When I questioned Alice, there was a pause in our conversation and when I asked if se was still there. She wasn't.
I have been trying to track my claim at https://fcacommunity.force.com/EcoDieselSettlement/s/TrackClaim
When I enter my VIN & Claim number it tells me I have done everything and the check is being processed.
Same thing since last summer when I had the upgrade for emissions and checked the status??