Step 1: Panic
When in doubt, panic. It's a classic move.
Step 2: Stare at a Map (or a Wall)
Try to make sense of the squiggly lines. If you're still lost, proceed to Step 3.
Step 3: Ask a Local (or a Robot)
They won't know what they're talking about, but they'll pretend to. It's a great way to pass the time.
And if all else fails, when all else fails...