How To Open Mazda Key. Pry open the case with the flathead screwdriver on one side and then on the other. To open a Mazda key fob press the small button located on the back under the silver key ring.
Replacing Your Mazda Key Battery Now that your Mazda key fob is open its time to reveal and replace your Mazda key battery. This will give you access to the metal auxiliary key. This should remove the case.
This should remove the case.
Use the tape-wrapped flathead screwdriver to pry open the case first on one side and then on the other. Once the metal key is out youll be able to see a slot on either side of the key fob. On the back of your key fob push the auxiliary button in order to remove the metal key. Use the tape-wrapped flathead screwdriver to gently pry open the case one side at a time.
