NHTSA Complaint #11714254 — 2015 FORD EDGE

I was backing out of my driveway and I went about ten feet and my vehicle stopped i then put it in drive and it wouldn’t go anywhere ,i then put back in reverse and it wouldn’t go backwards either i shut the vehicle off and called triple aaa to get my vehicle towed.while I was waiting I started it up again and the i saw lit up on my dashboard Awd malfunction so I shut it off again.the tow company brought my vehicle to a service station up the street so they could look at it .They diagnosed it and on January 29th they said my rear differential needed to be replaced and the cost was going to be $3500 which included labor with all the issues with ford I checked to see if there was a recall there wasn’t but there were other people complaining about this when u look up problems with 2015 ford edge sel. There was no warning message prior to this happening.I do have to get this fixed it’s my only car. Please help this is extremely expensive especially for a senior citizen