[Read more: What to do if you lose your car keys]. Again, though you can try figuring out how to replace the Mazda key fob battery yourself, we. Video tutorial. How to change Mazda key fob battery. Mazda keyless key battery replacement. DIY Mazda Key Battery Replacement Mazda 3 6 CX-9 CX-5 MX The exact procedure for replacing a key fob battery will vary depending on the model year of your vehicle. Make sure to check your owner's manual as a reliable .
Changing the battery in a current Mazda 3's key fob is a simple job once you know the process. Start by locating the small button on the back of. Make sure the battery is installed correctly. Battery leakage could occur if it is not installed correctly. When replacing the battery, be careful not to touch any of the. Although, the best thing to do is to go to a Mazda showroom (or car repair shop), and they can for sure help you. It is better to go to them, as you will also have to.