How to Add, Change, and Reprogram a Mazda 3 Spare Key

It's a good idea always to keep an extra key on hand in case you lose the keyfob or it was unable to function. This article will explain how to add, alter or reprogramme your Mazda 3 keyfobs.

Certain keys require programming from professional locksmiths, while others don't. Only use authentic Mazda replacements to replace your key fob.

How do you add an additional key

You can also add an additional key if you don't have a spare key or when you accidentally damage the one you already have. To do this, you'll need a small flathead screwdriver and a new CR2025 battery. Once you've got all the equipment and tools, you're ready to open the key fob. First look for the key release button for the auxiliary key. It's located on the underside of the metal portion. It's easy to find. The cover on the back should fall off as soon as you press the button. Then, you can insert the screwdriver's tip into the notch on top or into the space and pry the metal part off.

Insert your spare mazda key key or a new one into the slot after removing the additional key. Set the ignition to ON and wait for around five seconds before setting it to off. This will register the new key's information to the system and allow it to start your car in the future.

It's important to note that you can only program up to three keys on your Mazda 3. You don't want to have to utilize more than two key fobs in order to start your vehicle. This is a safety precaution designed to stop unauthorized users, such as valet drivers from activating your key and starting your car.

How to Reprogram a spare key

It's smart to know how to reprogram an extra key in the event that the original key is lost or stolen. This will stop unauthorized persons from opening your car or taking it. This will work with any Mazda. You'll require two keys that are functioning for the reprogramming to begin. If you don't have two keys that work, you should take your Mazda 6 key Replacement cost to a dealer to have this completed.

Begin by putting yourself in the driver's seat, and shutting the door, excluding for the one that's open. Turn the ignition on and insert the initial working key. After five seconds, take the key out and repeat the process with the second working key.

After you've programmed your new key, you should have three working keys you can use to start your car in the future. Before saving each key, be sure it's working properly.

You should think about buying an extra Mazda 3 remote, especially when your car is susceptible to issues. You can buy one online or at a local automotive store. Make sure to read reviews before purchasing to ensure that you don't purchase an item that isn't compatible with your vehicle.

How to Change the Battery on a spare key

There's nothing worse than finding that the bLeave the key in for around five seconds, and then turn it off. The key's information is stored in the car's computer and the new fob is able to start your car. You can program as many fobs you would like however only one must be used at a particular time. This will keep unauthorised individuals from stealing your keys and gaining access to your vehicle. You can buy a new key fob online, but you'll need to visit an expert locksmith or dealer to cut it and get it programmed.