Cell Phones

I got this email from a friend this morning and thought I would share it. Does anybody know if these even work? I have heard of the FREE 411 before and have used it but the others I am not sure about.

THINGS YOU NEVER KNEW YOUR CELL PHONE COULD DO.
                >There are a few things that can be done in times of grave emergencies.
                >Your mobile phone can actually be a life saver or an emergency tool for
                >survival. Check out the things that you can do with it:
                >
                >FIRST Subject: Emergency
                >The Emergency Number worldwide for Mobile is 112. If you find yourself out
                >of the coverage area of your mobile; network and there is an emergency,
                >dial
                >112 and the mobile will search any existing network to establish the
                >emergency number for you, and interestingly this number 112 can be dialed
                >even if the keypad is locked. Try it out.
                >
                >SECOND Subject: Have you locked your keys in the car?
                >Does your car ha ve remote keyless entry? This may come in handy someday.
                >Good reason to own a cell phone: If you lock your keys in the car and the
                >spare keys are at home, call someone at home on their cell phone from your
                >cell phone. Hold your cell phone about a foot from your car door and have
                >the person at your home press the unlock button, holding it near the
                >mobile phone on their end. Your car will unlock. Saves someone from having
                >to drive your keys to you. Distance is no object. You could be hundreds of
                >miles away, and if you can reach someone who has the other "remote" for
                >your
                >car, you can unlock the doors (or the trunk). Editor's Note: It works fine!
                >We tried it out and it unlocked our car over a cell phone!"
                >
                >THIRD Subject: Hidden Battery Power
                >Imagine your cell battery is very low. To activate, press the keys *3370#
                >your cell will restart with this reserve and the instrument w ill show a
                >50% increase in battery. This reserve will get charged when you charge
                >your cell next time.
                >
                >FOURTH How to disable a STOLEN mobile phone?
                >To check your Mobile phone's serial number, key in the following digits on
                >your phone: * # 0 6 #
                >A 15 digit code will appear on the screen. This number is unique to your
                >handset. Write it down and keep it somewhere safe. When your phone gets
                >stolen, you can phone your service provider and give them this code.
                >They will then be able to block your handset so even if the thief changes
                >the SIM card, your phone will be totally useless. You probably won't get
                >your phone back, but at least you know that whoever stole it can't
                >use/sell
                >it either. If everybody does this, there would be no point in people
                >stealing mobile phones.
                >And Finally....
                >
                >FIFTH
                >Cell phone companies are charging us $1.00 to $1.75 or more for 411
                >information calls when they don't have to. Most of us do not carry a
                >telephone directory in our vehicle, which makes this situation even more
                >of a problem. When you need to use the 411 information option, simply
                >dial: (800) FREE 411, or (800) 373-3411 without incurring any charge at
                >all. Program this into your cell phone now.
                >This is the kind of information people don't mind receiving, so pass it on
                >to your family and friends.