We are told by the signs on the elevator that we can't use them in case of a fireWe then use the stairs to move, but there are those who are confined to wheelchairs and can't use the stairs.
When I was an RA, we had a list of rooms that needed assistance out of the building in emergenciesA lot of housing complexes will maintain something similar, and sometimes you'll see stickers on their doors If its in a public area, you'd hope to god that people are mindful of others and assist them If they're still available, rescuers can key into elevators to use them in evacuating those who need assistance.
