Excerpt:

TheDamnBlog.com…
“The designers of some elevators include a hidden feature that is very handy if you’re in a hurry
or it’s a busy time in the building (like check-out time in a hotel). While some elevators require
a key, others can be put into “Express” mode by pressing the “Door Close” and “Floor” buttons at
the same time. This sweeps the car to the floor of your choice and avoids stops at any other floor.
This seems to work on Most elevators that I have tried! Most elevators have the option for this to work,
but on some of them the option is turned off by whoever runs them. This is a rather fun hack, so the next time you are on an elevator, give it a try, you have nothing to lose, And this concludes Hacking Elevators 101!