Why in the world would you want to install a starter button?? If you could actually install a real push button ignition like that found on newer vehicles where you didn't have to touch the keys at all that would be awesome but I just can't see installing a starter button.
My Lexus had the push button ignition and I loved it...you never had to touch the key, not even to lock or unlock the doors or trunk adn one of the coolest features I thought was that if you were approaching the car at night when you got about 20 feet away all the interior and perimeter lights would come on...freaked me out the first time it happened