Five things you can do with your cell phone:
2. Locked your keys in the car and the spare is at home or with a friend? Call that person on their cell phone with your cell phone, then hold your phone about a foot from your car door. Have your buddy press the unlock button holding it near the cell phone on their end. Your car will unlock, no matter how far away your buddy is. Beats waiting for AAA…
via here..
What? That’s insane! Gotta try it.
I couldnt imagine this working but I tried… didnt work.