Good point, Nigel, but it's always been set to on since I got the car.
Yesterday charging at work on a Clipper Creek CS-40, the display stayed off during charging and I was able to remove the J1772 handle and the charge port unlocked.
Today, using the same charger when I walked up to the car the dash was lit while charging, and when I removed the J1772 the port did not unlock. I had to open the car doors and hit the unlock charge port button before I could get the adapter out.
Yesterday charging at work on a Clipper Creek CS-40, the display stayed off during charging and I was able to remove the J1772 handle and the charge port unlocked.
Today, using the same charger when I walked up to the car the dash was lit while charging, and when I removed the J1772 the port did not unlock. I had to open the car doors and hit the unlock charge port button before I could get the adapter out.
Check your "Walk-Away Lock" setting. That sounds like it's the cause of all your confusion.