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

It's a good idea to keep an extra key on hand, whether you dropped the keyfob you were using or it stopped working. This article will show you how to open a mazda key fob to add, alter and re-programme your mazda 3 replacement key cost 3 keyfobs.

A word of warning Certain keys require programming by a professional locksmith or dealer, [Redirect Only] while other keys do not. Make sure to use official Mazda replacements for your key fob.

How do you add an extra key

If you're not fortunate enough to find a spare key from the dealership when you buy your Mazda 3 or accidentally break your current one but don't worry, there's a way to add another key. You'll need an flat-head screwdriver and an CR2025 battery. Once you've got these items you need, it's time to open the key fob. Find the auxiliary key release. It's located on the underside of the metal component and is easy to locate. Once you press the button, the back cover should be removed immediately. Next, insert the head of the screwdriver into the notch, or the spacing at the top of the metal component and pull it off.

Insert your new or spare key into the slot after you have removed the accessory key. Set the ignition to ON and wait for five seconds before setting it to off. This will add the new key's details to the system, allowing 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 to start your vehicle. This is a security measure to stop unauthorized users from activating your keys and then starting your car.

How to Reprogram a Spare Key

It's a smart idea to learn how you can reprogram a spare key in the event that your original key becomes lost or stolen. This will stop unauthorised people from taking your car and then starting it. This procedure should work with any mazda dealership key replacement but you'll need two keys working to begin the reprogramming process. If you don't have two working keys, you'll need take your vehicle to the dealer to get it done.

Begin by getting in your driver's seat, and shutting the door, excluding for the one that's open. Place the first working key in the slot, and then turn the ignition to the ON position. After five seconds, remove the key and repeat the process with the second working key.

After you've completed programming your new key, you'll have three working keys you can use to start your car in the future. Test each key to make sure that they're operating correctly before putting them away.

It's a good idea to purchase an extra mazda 2 car key 3 key fob, especially if you're someone who is prontch connectors. Check for continuity between the following terminals:

To program the new key or spare, place it in the slot and turn the ignition to ON. Keep the key in place for around five seconds, Weiter... and then switch off. The key's details are now added to the vehicle's computer and the new fob is able to start your vehicle. You can program up to three fobs however, you must only use one at a time. This will stop unauthorised people from copying the key and gaining access to your vehicle. You can purchase a new keyfob online, however it must be programmed and cut by an authorized dealer.