on map 4 at (259 2237 -959) there are a pile of rocks if you crouch you can climb up the rocks and onto a pipe if you fall down here there is no way to get back up and if you go idle to try and warp out you will be put back in the saferoom

to enable and open console press escape go into options keyboard mouse and enable it and press ~ key above tab

to view your cords put in your developer console cl_showpos 1 and you can view X Y Z