Have you looked in the owners manual? The 2016 model has it located in the upper portion of the rear window with the satellite antenna located in the shark fin. Check your manual.
If there's defroster grid there, it should be working.
Different topic, but how do you like the heat output?
I'm on my 3rd late model Subaru and you freeze your butt off for the first 10-12 miles on single digit temp days. The heated seats help on the premium models for sure.
Have you looked in the owners manual? The 2016 model has it located in the upper portion of the rear window with the satellite antenna located in the shark fin. Check your manual.
plus, on the heated seats, they are great, my wife got the remote start so it's warmed up pretty good after several minutes before she gets in even on single digit days, best 300.00 I spent for the remote start.
If the grid is bad they will probably have to replace the entire rear glass - old friends '09 BMW 128i had a half dozen lines not heating and they had to replace the entire rear glass.