Hold the Dpad left to get the submenu. You can find the manual for PS4, including Controls here: https://storage.googleapis.com/media-dtl-storage/TSW PDFs/TSW PS4 English Digital Manual.pdf
I had no idea it was due out, browsing on Amazon. I'd pretty much given up on Sims after the demise of my pc. Good result
Coupling is really good in comparison to train sim many years ago. That was just a click on the map, if I remember correctly.