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The 10 Most Scariest Things About Mazda 6 Key
How to Add, Change, and Reprogram a Mazda 3 Spare Key

It's a good idea to have an extra key in your pocket in case you lose your keyfob, or it was unable to function. This article will go over everything you need to know about changing, adding, and changing your Mazda 3 key fobs.

A word of warning Certain keys require programming by a professional locksmith or dealer, whereas others don't. Make sure to make use of official Mazda replacements for 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 your current one. To accomplish this, you'll need an inexpensive flathead screwdriver as well as the new CR2025 batteries. Once you've got the tools you need, it's time to open the key fob. First find the auxiliary key release button. It's on the underside of the metal portion and is easy to locate. Once you hit the button, the cover will fall off instantly. Then, you can insert the head of the screwdriver into the notch or spacing at the top of the metal part and pull it away.

After the auxiliary key has been removed, insert the new or spare key into the slot. Set the ignition ON and wait for about five seconds, then turn it to off. This will add the new information on the key to the system and allow it to start your vehicle in the future.

It is only possible to program three keys into your Mazda 3. The final thing you want is to have more than two working key fobs and not be capable of getting your vehicle started. This is a precautionary measure to prevent unauthorized users from activating your keys and starting your vehicle.

How to reprogram an unrepaired key

If you have a spare key it's a good idea be aware of how to program it if your original key gets lost or stolen. mazda 3 key replacement will prevent unauthorized people from starting your car or taking it. This should work with any Mazda. You'll require two keys that work for the reprogramming to begin. If you don't own two working keys, you'll have to 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 already opened. Place the working key into the slot, and then turn the ignition to the ON position. Then wait five seconds before taking out the key. Repeat the process with the second key.

Once you've finished programming your new key, you should have three working keys you can use to start your vehicle in the future. Before you store each key, make sure that it's working correctly.

It is advisable to purchase an extra Mazda 3 remote, especially in the event that your vehicle is prone to issues. You can purchase one online or at your local auto store. Make sure to look up reviews before you purchase to ensure that you don't get an item that isn't compatible with your car.

How to change the battery on a spare key


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

The first step is to press the auxiliary key button on the back of the key fob. This will remove the metal key and reveal the slots on both sides of the case. Place the flathead in one of these slots, and then gently pull the two halves of the case apart. Once the battery is fully exposed, take it out and place it in a safe place somewhere you won't forget it.

Before you start, make sure that you have a brand new replacement battery. They can be found in any store that sells batteries or at an Mazda dealer close to Winter Garden. The right kind of battery is vital to ensure that your key fob functions correctly.

Then, put the new battery in place and replace the cap of the battery. Be careful not to scratch the small rubber ring the battery is placed on. The two halves should be pressed together until you can hear the click.

How to Reset the system's Keyless Entry System

The key fob inside your Mazda 3 is not only a convenience, it's also an important security feature. The car won't start if the key is stolen or lost even if you have a spare fob. The key fob needs to be reprogrammed by a dealer to enable it to function again. This can be an expensive and frustrating experience therefore it's a great idea to know how to reset the system yourself.

Disconnect the battery from the system for 15 minutes. This will eliminate any remaining power from the on-board computer. The next step is to disconnect the LF-ECU and demand switch connectors. Verify the continuity between the next terminals.

Put the key in the slot, and switch the ignition on. Leave the key in for about five seconds and then switch off. The information from the key will be added to the vehicle's computer, and the new fob will be able start your vehicle in the future. You can program up to three fobs however, you should only use one at each time. This prevents unauthorized people from copying the key and gaining access to your car. You can purchase a brand new key fob online, however you'll still have to visit an authorized locksmith or dealer to cut it and programmed.