UPDATE: During a lunch break I went out to the car and resolved this issue. For those reading this board in the future, here is what I did:
1. On the steering wheel is a GREEN colored telephone. I compressed this button (merely tapping it tried to pull the old owners phone).
2. After a good 7-10 seconds holding that GREEN telephone button down the Display pulled up the screen stating there is no valid phone in proximity, and then allowing me to access a previously unseen screen dealing with phone connections.
3. I then went to "CONNECTIONS" and hit "Add to." I followed the prompts to add my phone to the vehicle. (On iPhone you go to Bluetooth, wait for a device named "Handsfree" or "ELANTRA" (changed to ELANTRA after a few seconds, but if you see Handsfree, it will work to connect too). I entered in the code on the screen, which for all four Elantras I have driven is "0 0 0 0"
4. I went back to the screen before CONNECTIONS ( but I did NOT go all the way back to the FM/AM/XM default screen) and I went to a list of devices. I deleted the old owner's phone.
Your display will now say something like
"Phone: [Phone Name]"
"File: Phone music"
It was playing the music I had going from Spotify earlier in the day, so it was able to pull as the 2015-2017 Elantras have done for me. I placed a call on the phone and a much larger screen popped up showing the call information. The call quality was normal.
Hopefully this helps, especially as more of us wind up in gently used 2011-2015 gen Elantras.
Last edited by zirbens; 01-08-2019 at 04:07 PM.