Look on YouTube. Several "how to" videos on there.
ChicksFan
February 2014
Have you tried the spare key? Ford keys are bad for wearing,also get some lubricant sprayed into the lock and keep lubricating regularly if you don't want further problems. I have heard of these locks getting drilled out to access the engine bay and I bet replacement locks aren't cheap.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.