When you decide that it would be a good idea to throw your cell phone into the woods, turn the ringer all the way up first.
This way, when you're stumbling around in the morning trying to find it, you can just call the cursed thing from your home phone, and listen for the ring.
In a meeting = Vibrate good
In the woods = Vibrate bad
Feel free to print this out and keep a copy with you at all times.