How to Add, Change, and Reprogram a mazda 323 key 3 Spare Key

Whether you dropped your key fob on the ground or it has stopped working, it's an excellent idea to keep an extra key available. This article will explain everything you must be aware of the process of adding, changing, and programming your Mazda 3 key fobs.

A word of warning: some keys require programming by a locksmith professional or dealer, whereas other keys do not. Make sure you use only official Mazda replacements to replace your key fob.

How do I add a spare key?

You can add an additional key in case you don't have a spare key available or if you accidentally damage your existing one. You'll need a flathead screwdriver and an CR2025 battery. Once you've got the tools then it's time to access the key fob to change the battery. Locate the auxiliary key release. It's located on the underside the metal part. It's easy to find. The back cover should come off the moment you press the button. Then, place the screwdriver's head into the notch at the top or into the space and take the metal part away.

Once the auxiliary key has been removed, insert the new or spare key into the slot. Turn the ignition on and wait for five seconds before turning it to OFF. This will allow the system to recognize the new key and start your vehicle in the future.

You can only program three keys to your Mazda 3. The last thing you want is to have more than two functioning key fobs and not being in a position to get your car started. This is a precautionary measure to stop anyone who is not authorized from activating your keys and starting your car key mazda.

How do you reprogram an unrepaired key

It's a smart idea be aware of how to reprogram an extra key in the event that the original key is lost or stolen. This will keep unauthorised persons from starting your car or taking it. This should work with any Mazda. You'll require two keys that work to start the reprogramming process. If you don't have two functioning keys, you'll have to bring your car to the dealership to get it done.

Begin by getting into your driver's seat, and shutting the door, excluding for the one that's opened. Set the ignition to ON and insert the first functioning key. For five seconds, take the key out and repeat with the second working key.

Once you've programmed your new key, you'll have three working keys that you can use to start your vehicle in the future. Before placing each key in storage, make sure it's functioning correctly.

It's a good idea buy an extra Mazda 3 key fob, especially if your car is one who frequently loses their key or has other issues with it. You can purchase one online or at your local automobile store, but be sure to read reviews before buying so you aren't purchasing the wrong key fob compatible with your car.

How to change the battery using a spare key

There's nothing more frustrating than finding that the battery on your key fob been damaged and you're unable to unlock your vehicle. It's easy to replace the battery yourself and save money at the dealership.

The first step is to press the auxiliary key button that is located on the back of the key fob. This will remove the metal auxiliary key and expose an opening on both sides of the case. Place the flathead in one of these slots, and then gently pry the two halves of the case apart. Once the battery is fully exposed, remove it and set aside the case somewhere safe from being lost.

Make sure you have an extra battery in place before you begin. These batteries can be purchased at any store selling batteries or from a Mazda dealer in Winter Garden. The correct type of battery is essential to ensure that your keyfob works properly.

Next, put the new battery in its place and then replace the battery cap. Be careful not to scratch the small rubber ring that the battery sits on. Press the two halves together until you can hear the click.

How to Reset a Keyless Entry System

The mazda Key Car 3 key fob is not just a convenience. It also serves as a security measure. If you lost your key or had it stolen the car won't start even if it has the spare fob. The key fob needs to be reprogrammed by the dealer to enable it to function again. It's a difficult and costly ordeal. Therefore, it's best to know how to reset the system.

To reset the system, remove the battery for around 15 minutes. This will clear any residual electric current from the onboard computer. Next, disconnect both the connectors for the LF-ECU and the demand switch connectors. Check continuity between the following terminals.

To program the new key or spare, insert it into the slot and turn the ignition to ON. Stop the ignition after approximately five minutes. The key's information will be transferred to your vehicle's computer, and the new fob will be able start your car in the future. You can program up to three fobs, but you must only use one at one time. This will prevent unauthorized people from stealing your key and gaining access to your vehicle. You can purchase a replacement key fob on the internet, but you'll still need to go to an authorized locksmith or dealer to have it cut and programmed.