Long range active RFID

HI THERE I WAS WONDERING IF YOU HAVE GOTTEN ANYWHERE WITH YOUR PROJECT, I WANT TO DO THE EXACT SAME THING BUT ALSO DO A PUSH TO START BUTTON ON MY CAR.
I HAVE AN OLD 66 MUSTANG SO IT WONT BE THAT HARD TO PASS THE ORIGINAL KEY TUMBLER BUT JUST DONT KNOW WHERE TO REALLY START WITH THE ARDUINO.