Originally Posted by
flight125
The seatbelt is a three-point affair, but the shoulder strap is only needed when the seatbelt signs are on - it’s not hugely clear how to attach or detach this part at first.
So the crew on a night flight will have to wake people up to fit or attach the shoulder strap? On my last flight it was announced that the crew would have to wake you up if your seatbelt isn't fastened or visible.