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How to Add, mazda 6 Key Change, and Reprogram a Mazda 3 Spare Key

If you've dropped your key fob on the ground or it has stopped working, it's always a good idea to have a spare key handy. This article will go over everything you need to learn about adding, changing, and programming your Mazda 3 key fobs.

A word of warning Certain keys need to be programmed by a professional locksmith or dealer, whereas other keys don't. Make sure you use only authentic Mazda replacements to replace your key fob.

How do I add an additional key

If you're not fortunate enough to get a spare key from the dealer when you purchase your mazda key replacement 3 or accidentally break your current key but don't worry, there's still the option of adding another key. To do this, you'll need a small flathead screwdriver and a new CR2025 battery. Once you've got these items, it is time to open the key fob. First look for the auxiliary key release button. The button is located on the underside the metal portion. It's easy to locate. Once you press the button, the cover should slide off immediately. Next, insert the screwdriver's head into the notch or space at the top of the metal component and pull it off.

After the auxiliary keys are removed, insert the new or spare key into the slot. Set the ignition to ON and wait about five seconds before setting it to OFF. This will allow the system to recognize the new key and start your vehicle in the future.

It is only possible to program three keys in your Mazda 3. The one thing you don't want is to have more than two working key fobs and not be capable of getting your vehicle started. This is a safety precaution designed to prevent unauthorised users, such as valet drivers who are not authorized to use your key and starting your car.

How to Reprogram a Spare Key

If you have a spare key it's a good idea to be aware of how to reprogram it in case the original key you had is stolen or lost. This will prevent unauthorized people from starting your car or taking it. This procedure should work with any Mazda 6 Key but you'll need two keys working to begin the reprogramming process. If you don't have two working keys, you'll need bring your car to the dealer to get it done.

Start by getting into the driver's position, and close all the doors, except the one that is open. Put the first working key into the slot, and then set the ignition to the ON position. For five seconds, remove the key and repeat with the second key.

After you finish programming your new key, you'll have 3 keys that work to start your car in the future. Test each key to be sure that they're functioning properly before placing them away.

It is advisable to purchase a spare Mazda 3 remote, especially in the event that your vehicle is prone to problems. You can purchase one online or in your local auto store. Make sure you go through reviews prior to purchasing to ensure you don't buy a key fob which isn't compatible with your car.

How do I change the battery on a spare key?

It's very frustrating to discover that your key fob has died, and you are unable to unlock your car. Fortunately, it's easy to replace the battery and save yourself some money at the dealership.

Press the auxiliary key button at the back of the keyfob. This will remove the key made of metal and reveal the slots on both sides of the case. Insert the flathead screwdriver into one of these slots and gently take apart the two halves of the case. When the battery is completely exposed, remove it and set aside the case somewhere safe from being lost.

Be sure to bring a replacement battery prior to starting. These batteries can be purchased at any store selling batteries or from a Mazda dealer in Winter Garden. The right kind of battery is essential to ensure that your keyfob works correctly.

Next, put the replacement battery in its place and then replace the cap on the battery. Be careful not to scratch the rubber ring that holds the battery. The two halves should be pressed together until you hear the click.

How to reset the system's Keyless Entry System

The key fob inside your Mazda 3 is not only an added convenience, but it's also an important security feature. The car won't start if the key is lost or stolen even if you have a spare fob. The key fob needs to be reset by the dealer to allow it to work again. It can be a frustrating and expensive ordeal. Therefore, it's best to learn how to reset the system.

To reset the system, unplug the battery for 15 minutes. This will eliminate any residual electrical current from the computer on board. Next, disconnect the LF-ECU and demand switch connectors. Then, verify the continuity between the following terminals:

To program the new key or spare, place it in the slot and set the ignition to ON. Stop the ignition after about five seconds. The key's information has been added to the computer in your car and the new fob is able to start your car. You can program up to three fobs however, you must only use one at one time. This prevents unauthorized people from copying your key and getting ahold of your vehicle. You can buy a new key fob online, however you'll still need to go to a dealer or locksmith to get it cut and programmed.