Why?!??!?!? (Gutted)

At the start. A button lights up on the door - but how do you actually press it? I've tried every combination of waving my hands in its general directions and pressing buttons on the controller that I can think of. All I can manage to achieve is to re-center my view. So, the loading screen mentioned you can switch from seated mode to standing but I can only find graphics options?...

If you are not aware i would like to inform you that "Agent1218" is still in development as mentioned in the description on the store page and changes and updates will be happening over the coarse of the development. Recently i changed "Agent1218" to use SteamVR for both Oculus Quest 2 and Valve Index controls however there was a problem setting up the store page information to make use of this SteamVR change. But as of now i believe i have solved the problem and have tested with my own and other's steam a...