mazda new key fob 2 Key replacement car key mazda 2 mazda 3 key replacement manufactures a variety of cars. The 2012 mazda cx 9 key fob 3 key fob, Going On this page, key has a an integrated transponder within the plastic head. The chip is programmed into your vehicle. The dealer is likely to give you a second key, without the original one, but they may need...