How To Change Battery In Mazda 5 Key Fob. Before you get started replacing the car battery on your mazda 5 step one is to turn off the ignition. In todays tip youll see how to replace the battery of a Mazda 5 car key.

All you will need is a flat head screwdriver. Press until you hear them click into place. You should hear a snap when its securely in place.
Pull the battery cover off with your fingers.
The positive side should be up facing you. Lift Out Old Battery. Set the back cover of the fob aside in a safe place. Place the battery cover back in then reattach the sides of the key fob.

