Hyundai Repair Questions? Ask a Mechanic for Answers ASAP
You are best to have the vehicle towed to Hyundai, or at least to somebody who can remove the tank pump assembly, to suck the tank dry and refill with Diesel.
Do not drive the car.
It will cost way more to repair the rest of the fuel system if you drive it.
Have you had your fuel system repaired as I recommended?
I hope I was of assistance to you.