The push start button works, but its also for show
You slide the key in, switch it to i (disable the immobilize), push start and the car starts. Thats how it is in all Hondas with push start (s2k, civic etc)
The speedometer should display it in mph, but i know for a fact that you can reprogram it to show km/h, again once you get it working the possibilities are endless, not to mention the red looks far better than the blue.
Feel free to call anytime.