"For those who accidentally lock their keys in their car, there's help.This often requires calling a locksmith who'll use something called a " Slim Jim" . You can get one from any parts or auto supply store and they're so easily available they can even come magnetized so you can stick them to the underside of your car. It will do you no good to own a Slim Jim if it's locked in your trunk. You
. use a Slim Jim by first find some sort of wedge to hold the outer rubber seal away from the glass. Matchbooks, rubber doorstops or twigs serve this purpose. Insert your Slim Jim and feel around behind the car's keyhole for a plate called " the tailpiece" . This can be tricky so be patient with yourself. To unlock your door you'll either need to push or pull the Slim Jim to rotate the tailpiece and turn the locked cylinder, feeling the lock so you can open your door. Some modern cars are built to be " immune" to the Slim Jim. In this case the tailpiece is designed to break in the case of being forced. Should you be the lucky owner of this vehicle you may need a hammer or rock to break the glass. You'll have to replace the glass but you won't need to call a locksmith.For more information on this please visit http://www.ehow.com/how_4450109_break-car-slim-jim.html"
