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

It's a good idea always to keep an extra key at hand, whether you dropped the keyfob or it has stopped working. This article will explain how to add, change and re-programme your mazda key fob programming; M1bar.com, 3 keyfobs.

Be aware that some keys require programming from a professional locksmith, while others do not. Use only genuine Mazda replacements to replace your key fob.

How do you add an extra key

If you're not fortunate enough to receive a spare key from the dealership when you purchase your Mazda 3 or accidentally break your current key Don't fret, there's an option to get another key. You'll need a flathead screwdriver and an CR2025 battery. Once you've got the tools then it's time to open the key fob. Locate the auxiliary key release. The button is located on the underside the metal part. It's easy to locate. When you hit the button, the back cover will fall off instantly. Then, place the screwdriver head into the notch at the top or the space, and pry the metal part off.

Insert your new or spare key into the slot after you have removed the auxiliary key. Set the ignition to ON, and wait for around five seconds before setting it to OFF. This will allow the system to recognize the new key and begin your vehicle in the future.

It's important to know that you can only program up to three keys on your Mazda 3. The final thing you want is to have more than two functioning key fobs and not be in a position to get your vehicle started. This is a safety measure designed to prevent unauthorised users, like valet drivers from activating your key and thereby starting your car.

How do I reprogram an unrepaired key?

If you have a spare key it's important to be aware of how to program it in the event your original key is lost or stolen. This will stop unauthorized persons from stealing your car and starting it. This process is compatible with any Mazda, though you'll need two working keys to begin the process of reprogramming. If you don't own two working keys, you'll need take your vehicle to the dealer to get it done.

Start by stepping into the driver's position, and close all the doors with the exception of the one that is open. Insert the first working key into the slot, then turn the ignition to ON. Take five seconds before removing the key. Repeat the process with the second key.

After you've programmed your new key, you should have three keys that you can use to start your vehicle in the future. Test each key to ensure sure that they're working properly before taking them off.

It's a good idea to purchase a spare Mazda 3 key fob, especially if you're someone who often loses your key or has other issues with it. You can purchase one online or at your local auto retailer, but make sure to read reviews before buying so that you can avoid getting a key fob that's not compatible with your car.

How to change the Battery on a Spare Key

There's nothing more frustrating than finding that the battery on your key fob gone out and you're not able to unlock your car. Luckily, it's easy to replace the battery and save some money at the dealership.

Press the auxiliary button on the back of the keyfob. This will release the key made of metal and reveal the slots on both sides of the case. Put the flathead into one of these slots and then gently push the two halves of the case apart. Once the battery is fully exposed, remove the case and place it in a place where you won't forget about it.

Be sure to bring an additional battery prior to beginning. These batteries can be purchased at any retailer that sells batteries or from a Mazda dealer in Winter Garden. The correct type of battery is vital to ensure that your keyfob works correctly.

Replace the cap on the battery and then insert the new battery. Be careful not to scratch the small rubber ring that the battery sits on. Finally press the two halves of the key fob until you hear the sound of a click.

How do you reset the Keyless Entry System

The key fob that you have in your Mazda 3 is not only an option for convenience, it's an important security feature. If you lose your key or had it stolen, the car will not start even if you have the spare fob. The key fob should be reset by the dealer to make it work again. This could be a costly and stressful experience, so it's a good idea to learn how to reset the system yourself.

To reset the system, unplug the battery for about 15 minutes. This will remove any remaining power from the on-board computer. The next step is to disconnect the LF-ECU and demand switch connectors. Check for continuity between the terminals.

Insert the key into the slot and turn on the ignition. Leave the key in for about five seconds and then switch off. The key's details will be added to your vehicle's computer and the new fob will be able start your vehicle in the future. You can program up to three fobs, but you should only use one at each time. This will stop unauthorized individuals from stealing your key and gaining access to your vehicle. You can purchase a replacement keyfob online, however it must be programmed and cut by an authorized dealer.