Originally Posted by dino1now

A lot of people have fitted an aftermarket start button, in fact Mazda do one for the coin box. But, you still need the key to turn the ignition on. I needed a better solution, so after much searching I have used a couple of aftermarket kits to produce a keyless ignition, start button and coded keypad and the best bit.....No keys needed.
Here's a quick video of it working.
http://www.youtube.com/watch?v=Kn8R9zFsxHg