EVERY THING IS POSSIBLE , NOW YOU CAN UNLOCK YOUR CAR BY MOBILE PHONE

 If you lock your keys in the car and the spare keys are at home which is far away from your car and it is difficult to go at home by foot, call someone at home from your mobile phone . Hold your mobile phone about a foot from your car door and have the other person at your home press the Unlock button from the spare key, holding it near the phone on their end. Your car will be unlocked. Saves time for someone to drive your keys to you. Distance is not a problem. 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 boot.