Hello all, I just bought a 2006 Avensis T3 D D-4D and I got 2 keys with the deal. One key was a GREY one which I can open the door and start the engine with. The other is a BLACK key which only will open the car door as the buttons and circuit board inside is missing which makes it next to useless.  My question is can I buy any Avensis key from say eBay and remove the switches and circuit board and put them in my existing black key then reprogram the car to recognize the key? I have found t