Originally Posted by Diesel Guy

so I picked up a gallon of DEF on my way out of the shop this afternoon.

I opened the DEF spout with the orange tool in the trunk, and using a funnel, it gulped down the entire gallon with no problem. I could hear the fluid going into the tank, and I'm sure I could have put more into the tank if I had a second jug.

I'll go out for errands after dinner, and see if the warning lamp goes away.